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This type of grating is ideal when a lightweight, corrosion resistant material is desired. Aluminum grating is durable, has a high strength-to-weight ratio, versatile, and can be fabricated and customized.">Aluminum Grating
  • Aluminum Mesh
  • Aluminum wire mesh is lightweight and a popular choice for a wide array of industries, including aerospace, automotive, marine, and electrical conductivity applications. ">Aluminum Mesh
  • Anchor – Grating
  • A device by which grating is attached to its supports.">Anchor - Grating
  • Anchor BlocksPieces of metal, typically with bolt holes, that are welded between adjacent bearing bars, that create a secure tab for attaching the safety grating or bar grating to a support system.">Anchor Blocks
  • AngleThis accessory typically is a 90° angle with either equal or unequal legs. Used as a component for some types of stair treads as well as embed angle.">Angle
  • Annealed WireWire that is cold-drawn to a smaller size, then softened through high temperature treatment (1200° F for low carbon steel). This reduces its unit strength and increases its elongation to its maximum.">Annealed Wire
  • AnnealingThe heating and controlled cooling of a material to reduce hardness or obtain desired mechanical, physical or other properties.">Annealing
  • AnodizingA process that forms a protective, integral Aluminum Oxide coating on the surface of aluminum items. This process protects against abrasion and corrosion while enhancing the material's appearance.">Anodizing
  • Architectural Metal ManufacturerA manufacturer that provides architectural metal products for standard and custom metal solutions for interior and exterior applications.">Architectural Metal Manufacturer
  • Architectural Metal SupplierA company that provides decorative metal products for standard and custom metal solutions used in interior and exterior applications.">Architectural Metal Supplier
  • ASTMAmerican Society for Testing Material. An organization for issuing standard specifications on materials, including metals and alloys.">ASTM
  • AusteniticStainless steel with non-magnetic properties and is very resistance to corrosion due to its nickel content and higher levels of chromium. Austenitic stainless steels are hardened and strengthened through cold working rather than heat treatment and ductility is excellent. The two most common grades are 304 and 316.">Austenitic
  • Ball ScreenWire cloth screen placed below a vibrating screen with steel or rubber balls or plastic discs, larger than the top and bottom openings, which are set in motion on this deck, clearing clogged material in the vibrating screen above.">Ball Screen
  • Balls and HemispheresDecorative fittings, rounds or half-rounds, also known as spheres and hemispheres.">Balls and Hemispheres
  • BandA flat bar welded to a side or end of a grating panel or along the line of a cutout and extending neither above nor below the bearing bars.">Band
  • BandingMaterial which is cut to length and mounted to the end of cut bearing bars to give a finished appearance and protect the bearing bars from twisting.">Banding
  • BarMetal grating products constructed with a series of load bearing bars that are attached together in a specified pattern by cross bars.">Bar
  • Bar GratingTreads for stairs made from bar grating products.">Bar Grating
  • Bar Grating Construction TypeA characteristic that identifies how the bearing bars in Bar Grating are attached to the cross bars. Construction can be Welded, Press Locked, Locked by Swaging, Riveted or Clinched.">Bar Grating Construction Type
  • Bar Grating SpacingRefers to the industry specification for Bar Grating products. For example, the first number refers to the bearing bar spacing measured on center (19 = 19/16" or 1-3/16"), the letter refers to the construction type (W = welded), and the last number references the cross bar spacing measured on center (4 = 4").">Bar Grating Spacing
  • Bar Grating Stair TreadsThis type of bar grating stair tread is versatile, durable, slip-resistant and available in custom sizes.">Bar Grating Stair Treads
  • Beam FlangeThe width of the flange that forms the top and the bottom of an I Beam.">Beam Flange
  • Bearing Bar CentersThe distance center to center of the bearing bars.">Bearing Bar Centers
  • Bearing Bar ColorThis characteristic identifies the color of the bearing bars that are used in pultruded fiberglass grating.">Bearing Bar Color
  • Bearing Bar HeightThe bearing bar height, also known as bearing bar depth, is measured from the bottom of the bearing bar to the top.">Bearing Bar Height
  • Bearing Bar ShapeThis characteristic is used in grating products to identify the shape of a bearing bar in metal bar grating and fiberglass pultruded grating products. The most common bearing bar shapes are rectangular, T-bar and I-Bar.">Bearing Bar Shape
  • Bearing Bar SpacingCenter to center bar spacing is the distance from the center of one bearing bar to the center of the next bearing bar.">Bearing Bar Spacing
  • Bearing Bar ThicknessThis characteristic identifies the thickness of each bearing bar for bar grating items.">Bearing Bar Thickness
  • Bearing BarsLoad-carrying bars made from steel strip or slit sheet or from rolled or extruded aluminum and extending in the direction of the grating span.">Bearing Bars
  • Bird ScreeningTerm used in sheet metal and louver trades to designate a line of wire cloth materials used to keep animals and debris out of various spaces. Screening is usually a 2 mesh with wire sizes from .041 to .080 in alloys of aluminum, brass, copper, galvanized or stainless steel.">Bird Screening
  • BlindingFilling in and clogging of opening caused by entrapment of particles from the filtered material. The opening becomes "blind" to the process flow.">Blinding
  • Bolt SizeThe size of the bolt and /or length of stud in reference to the structural shapes of fiberglass studs and nuts.<br />">Bolt Size
  • Bolting ClothA group of industrial wire cloth specifications, woven of extremely smooth and durable stainless steel with a plain square mesh pattern. Wire diameter is lighter than mill grade and a high percentage of open area is typical. It is used for dry or wet sifting and separating.">Bolting Cloth
  • BondThe intersection of two strands in an expanded metal sheet.">Bond
  • Bond ShearingCutting sheets to size so that the holes are closed along the margins. Bond shearing is restricted by the spacing of the openings in the sheet.">Bond Shearing
  • Bottom Flange SpacePultruded Fiberglass Grating is available in both "I-Bar" and "T-Bar" shapes which incorporate a top and bottom flange. This term refers to the space between the bottom flange of adjacent bearing bars.">Bottom Flange Space
  • BracketAlso known as handrail brackets, they are used in the attachment of railings to adjacent walls or similar structures plus a variety of types and styles.">Bracket
  • Bran Duster ClothPlain-weave steel wire cloth of medium mesh sizes in market grade diameters. Generally supplied in rolls of 24", 30&quot;, or 36" wide for use in flour mills.">Bran Duster Cloth
  • Brinell Hardness TestA standard method of measuring the hardness of materials. The smooth surface of the metal is subjected to indentation by a hardened steel ball under pressure. The diameter of the indentation in the material surface is then measured by a microscope and the hardness value is read from a chart or determined by a prescribed formula.">Brinell Hardness Test
  • CalenderingA rolling operation which flattens the knuckles of wire cloth giving it a smoother surface.">Calendering
  • CamberA slight bow which can occur during manufacturing and results in an out-of-square condition.">Camber
  • Carbon SteelSteel whose major properties depend on its carbon content.">Carbon Steel
  • Carrier PlatesSold in pairs and typically punched with a slot and a hole for mounting to stringers, these accessories are "U" shaped to fit into the channel of plank grating and used to fabricate stair treads.">Carrier Plates
  • Chain Saw Spark Arrester ScreenStainless steel wire cloth with .022" opening (26 mesh/.016" dia.).">Chain Saw Spark Arrester Screen
  • ChannelA structural shape produced with two legs typically set at 90 degrees against a plate to form a channel.">Channel
  • Channel DepthThis characteristic identifies the depth in inches of the side channel for plank grating items.">Channel Depth
  • Channel SizeThe depth of a channel typically used in reference to the structural shape of channel.">Channel Size
  • Channel WidthThe width of a channel typically used in reference to the structural shape of channel.">Channel Width
  • Clear SpanClear span is the distance between the gratings supporting members measured from the inside point of one support to the inside point of the next support. Clear span is the unsupported section of the grating and is a critical factor in determining a gratings load characteristics.">Clear Span
  • Clips, AnchorsThese accessories are used to attach primary products, typically gratings to a supporting structure.">Clips, Anchors
  • Coarse MeshWire cloth with wire mesh count of less than 30x30.">Coarse Mesh
  • CoatingsThe wire used for weaving wire cloth can be coated, plated, or in some other way finished prior to weaving. Wire cloth may also be coated after weaving.">Coatings
  • CoinTo stamp wire cloth in order to shape or compact it. Wire mesh discs can be coined at the edges to lock the wires together and reduce raveling.">Coin
  • Cold WorkingChanging the structure and shape of steel by applying stress at low temperature.">Cold Working
  • Cold-Rolled SheetIn perforating, a product produced from hot-rolled, pickled coil that has been given substantial cold reduction at room temperature. The resulting product usually requires further processing to make it suitable for most common applications. The usual end product is characterized by improved surface, greater uniformity in thickness and improved mechanical properties as compared with hot-rolled sheet.<br />">Cold-Rolled Sheet
  • ColorThe standard colors are gray, yellow or green. Other colors are available.">Color
  • Commercial Quality SteelSteel with a carbon limit at 0.15 max. and a standard quality carbon steel sheet. The characteristics of commercial quality steel are defined by the American Society for Testing Materials (ASTM).">Commercial Quality Steel
  • Confinement MeshDurable wire cloth livestock flooring woven to a flat-top weave using galvanized wire. Designed with a high percentage of open space, flooring not only helps reduce time and labor costs, but also keeps a drier, healthier environment for animals.">Confinement Mesh
  • ConstructionThis characteristic identifies how the bearing bars in bar grating are attached to the cross bars - welded, press locked, locked by swaging, riveted or clinched.">Construction
  • Construction TypeIdentifies how wire mesh is constructed and identifies the type of weave for woven products.">Construction Type
  • Corrosion-resistantThis property refers to a metal's ability to withstand the deterioration that can be caused by chemical and natural elements.">Corrosion-resistant
  • CountThe number of openings per linear inch measured from the center of any wire.">Count
  • CrimpUndulations in warp and fill wires which hold each other in place.">Crimp
  • Cross Bar CentersThe distance center to center of the cross bars.">Cross Bar Centers
  • Cross Bar ColorPultruded fiberglass grating is available in several colors that normally correspond to the specific type of resin system being used. Typical colors are gray or yellow.">Cross Bar Color
  • Cross Bar SizeThis refers to the size of the cross bar used in items of pultruded fiberglass grating. The size and type of cross bar may vary depending on the size, shape and spacing of the bearing bars.">Cross Bar Size
  • Cross Bar SpacingCenter to center cross bar spacing is the distance from the center of one cross bar to the center of next cross bar.<br />">Cross Bar Spacing
  • Cross Bar SurfacePultruded fiberglass grating is available with a flush top cross bar in some of the grating series. The cross bars have a flat top surface that is normally finished to match the bearing bars either with a smooth or grit surface.">Cross Bar Surface
  • Cross Bar TypeThere are a number of different types of cross bars that are used in the manufacturing of bar grating and pultruded fiberglass grating. These vary depending on the size and spacing of the grating as well as the method of manufacture. Some common types are round, rectangular and twisted square rod.">Cross Bar Type
  • Cross BarsThe connecting bars made from steel strip, slit sheet, rolled bars or rolled or extruded aluminum which extend across the bearing bars usually perpendicular to them. They may be bent into a corrugated or sinuous patter and where they intersect the bearing bars, are welded, forged or mechanically locked to them.">Cross Bars
  • Cross WireThe wires in wire cloth that run parallel to the width (i.e. the short side of the roll or sheet) opposite of line wire.">Cross Wire
  • CrushingSize reduction of a material into particles that are still relatively coarse in dimensions.">Crushing
  • CureTo change the properties of a polymeric system into a more stable, useable condition by use of heat, radiation or chemical additives.">Cure
  • DecorativePerforated metal or expanded metal in a decorative pattern.">Decorative
  • Decorative Expanded MetalManufactured with unique shaped openings which possesses great appeal for architects and designers.">Decorative Expanded Metal
  • Decorative MeshWire mesh products produced in a pattern designed for aesthetic value specifically for appearance.">Decorative Mesh
  • DeflectionThe amount of "give" or sag the grating undergoes with a given weight load. The standard acceptable deflection for most bar gratings is 1/4 inch.">Deflection
  • Delinter ScreenGalvanized wire cloth in 8 x 8 mesh with .032 diameter wire. Used in cotton mills to polish lint from cotton.">Delinter Screen
  • Design Size LWDLWD (Long Way of the Diamond) is the distance across the largest dimension of the expanded metal diamond measured halfway between the diamonds.">Design Size LWD
  • Design Size SWDSWD (Short Way of the Diamond) is the distance from an outside point on a bond to a corresponding outside point on the following bond across the short distance of the expanded metal diamond opening. Sometimes called pitch. Also, the distance across all of the short openings of all of the diamonds in the sheet.">Design Size SWD
  • Designer Textured MetalsMetal sheets with textured and/or colored finishes.">Designer Textured Metals
  • Diamond MeshA popular expanded metal diamond-pattern cloth (commonly 1.5" opening) generally using .135" dia. wire (10 ga.) in an intermediate crimp weave. Used for window and machine guards or grilles.<br />">Diamond Mesh
  • Diamond or OpeningThis is the description of the expanded metal open area formed by strands and bonds. Normally the open area is diamond shaped.">Diamond or Opening
  • DiscsRound flat components used on the end of a handrail. They are available in several different diameter sizes and thicknesses.">Discs
  • Double CrimpCorrugations in both warp and shute wires to lock wire in position.">Double Crimp
  • Double Shoot"Slotted opening" screen which due to particular application and/or length of the slot requires two shute wires in adjacent crimps followed by the long slot - and repeated. Also referred to as "double bar".">Double Shoot
  • Double WeaveWire cloth with equal crimps in both warp and shute wires to lock the wires in position using pre-crimped wire. Also referred to as "over and under," "double crimp" and "regular crimp". Normally the material flow is at right angles to the deep crimp.">Double Weave
  • DrawingMechanically forming metal by tension through or in a die.">Drawing
  • Drawing Quality(DQ) Flat-rolled products produced from either deep drawing rimmed steel or extra deep drawing aluminum killed steels. Special rolling and processing operations aid in producing a product that can withstand extreme pressing, drawing or forming, etc., without creating defects. The characteristics of drawing quality steel are defined by the American Society for Testing Materials (ASTM).">Drawing Quality
  • DuctilityThe ability of a material to be stretched into a new shape without it breaking.">Ductility
  • Duplex WeaveSimilar to a Plain Dutch Weave except that two warp wires are used rather than one. Also known as a Twin Warp.">Duplex Weave
  • Dutch WeaveFilter cloth with warp wires of larger diameter than the shute wires. While the warp wires remain straight, adjacent shoot wires slightly overlap forming a dense, strong material with small, irregular and twisting passageways that appear triangular when diagonally viewing the material. There are no straight through openings and the weave may be plain or twilled. Also referred to as "corduroy filter cloth."">Dutch Weave
  • Edge Banding ShapeThe shape (configuration) of edge banding for grating products. Typically a flat bar but may also be identified as a Type A (female) or Type B (male) banding in some plank grating products.">Edge Banding Shape
  • Edge ConfigurationCondition of the edge of an Expanded Metal sheet. Usually refers to "open" (random) or "closed" (bond) diamond edges produced from shearing.<br />">Edge Configuration
  • Electro GalvanizedAn electrical plating process that provides a thin, even coating of zinc over the surface of carbon steel wire cloth. Recommended for counts greater than eight (8) wire mesh, where galvanized-after weaving is not possible.">Electro Galvanized
  • Elevated Floor PedestalsDesigned as either fixed or adjustable pedestals, these products fit into the underside of molded grating and provide support for elevated flooring.">Elevated Floor Pedestals
  • Embed AngleA fiberglass structural shape designed to be embedded in concrete to provide a shelf for a grating product to sit on.">Embed Angle
  • EmbrittlementReduction in ductility of materials due to exposure to certain environments or temperatures.">Embrittlement
  • End PatternThe pattern of the perforations at the beginning and the end of the sheet that are either finished or unfinished. An unfinished end pattern is standard. A finished end pattern requires special tooling and is typically more expensive.">End Pattern
  • End PlatesSold in pairs and typically pre-punched with a slot and a hole, these are the components that are attached to the end of a piece of grating to make a stair tread. They are typically flat plates used with bar grating and some types of plank grating.">End Plates
  • End StaggerA term used to describe a perforated configuration of elongated apertures where the short axes of the apertures fall in a line on every row, but the long axis of only every other row fall in line.">End Stagger
  • Endplate AttachedBar grating stair treads come in a finished form with endplates attached to the tread. Stair treads can also be made without endplates attached if they are going correctly welded in place.">Endplate Attached
  • Endplate SizeThis refers to the size of the endplate used on stair treads made from bar grating that is welded, press-locked or locked by swaging. There are a series of standard size endplates that are pre-punched with a slot and hole for mounting purposes.">Endplate Size
  • Equal Leg AngleA structural shape produced with two legs typically set against each other at a 90 degree angle.">Equal Leg Angle
  • Expanded CatwalkGrating products created through an expanded metal process on heavy plate.">Expanded Catwalk
  • Expanded Grating Stair TreadsTreads for stairs made from expanded grating products.">Expanded Grating Stair Treads
  • Expanded MetalA metal sheet that is simultaneously slit and stretched into a rigid, non-raveling open mesh to create diamond shaped patterns.">Expanded Metal
  • Expanded Metal GratingA sheet or plate expanded into a structural open grating ideal for catwalk and platform application. Certain expanded metal grating products can be flattened.">Expanded Metal Grating
  • Expanded StyleThis characteristic identifies the accepted description of an Expanded Metal pattern. For standard and flattened products, the style describes the size of the design and the gauge of expanded material. For expanded grating it is the weight per square foot.">Expanded Style
  • Expanded TypeThis characteristic identifies the broad type of expanded metal - standard, flattened or decorative.<br />">Expanded Type
  • Fanning Mill ClothWire cloth used for sizing and grading various types of seed, peas, beans, etc. or for separation of other lightweight dry material.">Fanning Mill Cloth
  • Feather EdgesThe perimeter wire ends of a piece of screen cloth which are straight, not crimped and all in the same plane.">Feather Edges
  • FeedThe material presented to a screen for processing.">Feed
  • Ferrous AlloysNon-pure metals that contain iron.">Ferrous Alloys
  • Fiberglass DeckMolded and pultruded fiberglass flooring products designed to provide a walking surface with load bearing capability over short spans.">Fiberglass Deck
  • Fiberglass Floor GratingIdeal for decks, walkways, and many other flooring applications in corrosive environments.">Fiberglass Floor Grating
  • Fiberglass GratingThis type of grating does not corrode like steel grating and is therefore used in corrosive environments to reduce maintenance costs. Fiberglass grating applications range from architectural sun screening and fiberglass flooring to standard walkways and high load rolling applications. ">Fiberglass Grating
  • Fiberglass Handrail SystemA series of products used as the components of a fiberglass handrail system.">Fiberglass Handrail System
  • Fiberglass MaterialA reinforced plastic material composed of glass fibers embedded in a resin matrix. Fiberglass grating can be resistant to heat and fire and is used in many industrial environments.">Fiberglass Material
  • Fiberglass MoldedMolded fiberglass products designed to resurface existing stair treads.">Fiberglass Molded
  • Fiberglass PlateMolded and pultruded fiberglass flat sheet or plate products designed to provide a flooring surface with no load bearing capability. When used for flooring, these plates are typically coated with a fine, medium or coarse grit.">Fiberglass Plate
  • Fiberglass Stair TreadsThis type of fiberglass stair tread is easy to install, corrosion resistant, and slip-resistant.">Fiberglass Stair Treads
  • Fill WireShute wire running across the width of the cloth.">Fill Wire
  • FilterA device employing filter leaves or tubes of woven wire cloth often with an additional filter medium. Filters are used for the clarification of a liquid or ga搜索引擎优化us fluid or the precision removal of particles known to be present.">Filter
  • Filter ClothMetal cloth used for flattening or straining (primarily plain and twilled dutch wire cloth with certain specifications of square mesh and off-count standard wire cloth).">Filter Cloth
  • FiltrationThe clarification of a fluid by the removal of solid particles.">Filtration
  • Fine MeshWire cloth having a mesh count of more than 90 x 90.">Fine Mesh
  • FinesMaterial having a particle size substantially smaller than a specified aperture.">Fines
  • FinishThe coating, usually paint or galvanizing which is applied to the grating.">Finish
  • FinishingLimited finishes can be accomplished at manufacturing plants. This includes hot dip galvanizing and pre-galvanizing.">Finishing
  • FlangeFittings that are used to attach a post to a floor or a railing directly to a wall.">Flange
  • Flat Top WeaveA weave in which all crimps are on the underside of the cloth, thus providing a smooth surface.">Flat Top Weave
  • FlattenedExpanded metal products that go through a secondary flattening process after they are expanded. Bonds and strands are turned down to produce a smooth surface.">Flattened
  • Flex AngleA slotted angle system made from pre-galvanized steel.<br />">Flex Angle
  • Flush Top GratingA type of pressure locked grating in which the cross bars and bearing bars are in the same plane relative to the top surface of the grating.<br />">Flush Top Grating
  • FluxChemical compounds added during a refining or smelting process to separate impurities.">Flux
  • Formed EdgeFor vibrating equipment, edge preparation on the screen surface usually formed on the sides parallel to the flow. The forming of the screen enables it to be tensioned down on the machine. Formed edges, whether plain hooks or hook strips (metal bands) should be specified when ordering screens because forming can be done with greater accuracy on our equipment.">Formed Edge
  • FormingThe shaping of sheet metal by bending, uniaxial stretching, biaxial stretching, compression or a combination of.">Forming
  • Full Material TypeThe description of the material from which an item is made.">Full Material Type
  • GabionA wire container that can be filled with rocks, concrete, glass and other materials.">Gabion
  • Galvanized AfterWire cloth woven of high grade bright basic wire and passed through a pickling process before being dipped and hot galvanized with zinc. In this process the wire intersections appear as soldered. Galvanized is an economical means of resisting rust and corrosion and is especially effective with the presence of atmospheric moisture. This process is not recommended for counts greater than eight wire mesh. The process tends to blind the openings, thus cutting down the open area of the wire cloth.">Galvanized After
  • Galvanized BeforeWire cloth woven of high grade galvanized wire that has been zinc coated before the weaving process. Galvanizing is an economical means of resisting rust and corrosion and is especially effective with the presence of atmospheric moisture.">Galvanized Before
  • GaugeThe measure of wire diameter. The actual wire diameter should always be specified in decimal sizes.">Gauge
  • GrateIn hammermills, a screen section with specified openings for passing sized material.">Grate
  • GratingAn open grid assembly of metal bars in which the bearing bars, running in one direction, are spaced by rigid attachment to cross bars running perpendicular to them or by bent connecting bars extending between them.<br />">Grating
  • Grid HeightMolded fiberglass grating is available in square or rectangular grid configurations. This characteristic identifies the height of the grid and may also be termed Grid Thickness.">Grid Height
  • Grid ShapeThis characteristic identifies the shape of the grid in fiberglass molded grating.">Grid Shape
  • Grid SizeFiberglass molded grating is available in square or rectangular grid patterns. This characteristic identifies the size of the grating grid pattern.">Grid Size
  • Grip Strut™ Safety GratingGrip Strut™ stair treads and metal safety grating are used to create metal walkways, steel safety flooring, and slip resistant stair treads.">Grip Strut™ Safety Grating
  • Grit ApplicationThe application of a slip-resistant grit to the walking surface of pultruded fiberglass grating can be accomplished in several different ways. The most common ones are "integral," in which the grit is embedded in the surface during the curing process and "applied," in which the grit is applied to the top surface after curing, embedded in a resin coating.">Grit Application
  • Grit ColorMolded and pultruded fiberglass grating is available with a grit surface that is slip resistant. This characteristic identifies the color of the grit surface.">Grit Color
  • Grit MaterialOn some grating and flooring products, the application of grit to the base material creates an abrasive surface that provides surer footing under slippery conditions. This characteristic identifies the type of grating or expanded metal material that makes up the grit.">Grit Material
  • Grit TextureA slip resistant material known as grit may be applied to a base material to create an abrasive surface that provides surer footing under slippery conditions. This characteristic identifies the consistency of that surface - coarse, medium or fine.">Grit Texture
  • HammerOn hammermills, the crushing element attached to rotor, usually free-swinging.">Hammer
  • Hammer CircleOn hammermills, the outer diameter of the circle described by the hammer with hammer extended.">Hammer Circle
  • Handrail ComponentsComponents used in the construction of handrails for stairs and platforms.">Handrail Components
  • Hard WireWire that has been drawn to a smaller size after annealing. This increases its unit strength and reduces its elongation.<br />">Hard Wire
  • Hardware ClothHardware cloth is a plain weave square wire mesh cloth of relatively light wire that is galvanized after weaving and has usually between 2 to 8 openings per lineal inch. Hardware cloth is also known as wire mesh or screen mesh, and can be welded at each cross section.">Hardware Cloth
  • Herring Bone TwillWire cloth where the direction of a twilled weave is reversed at regular intervals to produce striped or herringbone effect.">Herring Bone Twill
  • Hexagonal HolePerforated material punched with hexagonal holes.">Hexagonal Hole
  • Hexagonal MeshWelded or woven wire wesh in a hexagonal pattern defined by the number of openings per inch (mesh).">Hexagonal Mesh
  • Hole CentersHole Center is the distance from the center of one hole to the center of the nearest hole in the next adjoining row and is one of two measures of perforated metal spacing. The other is open area. Because hole center and open area measure essentially the same property (perforation spacing), you need specify only one or the other, not both.">Hole Centers
  • Hole PatternThe arrangement of perforated metal holes on a sheet - either staggered or straight rows. In a staggered hole pattern, the direction of the stagger is normally parallel to the short dimension of the sheet. The standard pattern is 60° staggered. It is the strongest, most versatile and economical pattern of the perforated choices. Also available are straight and 45° hole patterns.">Hole Pattern
  • Hole SizeHole size is the diameter of the perforation in perforated metal.">Hole Size
  • Hole TypeThe type that determines the shape of the hole when referring to Perforated Metal. Direct Metals<sup>®</sup> carries round hole, square hole, slotted hole, and hexagonal hole.">Hole Type
  • Hot-Dipped GalvanizingThis refers to the process of dipping metals, often Steel or Iron, into melted zinc in order to provide corrosion resistance. Hot-Dipped Galvanizing after manufacturing provides a more complete protective coating than Pre-Galvanizing.">Hot-Dipped Galvanizing
  • Hot-Rolled SheetIn perforating, hot-rolled sheet is the product that is reduced from slab to required thickness at elevated temperatures.">Hot-Rolled Sheet
  • Hummer ScreenA screening system where an electromagnetic vibrator is attached to screen wire cloth, which is mounted in a stationary box. In this way, only the screen itself is vibrated to achieve separation.">Hummer Screen
  • I-BarAn extruded aluminum grating bearing bar having a cross sectional shape resembling the letter "I&quot;.">I-Bar
  • I-BeamAn I-Beam is a structural shape produced with two flanges set at 90 degrees against a central vertical support.">I-Beam
  • Infill PanelsThey are typically made from Perforated Metal, Expanded Metal, and Wire Mesh Sheets that are trimmed with U-Edging or other materials to finish the edge of the panel. They are non-load-bearing and often used as partitions, fencing, balcony and stair railings, facades, and more.">Infill Panels
  • Insect ClothA plain weave, fine mesh wire screening (generally 18 x 16 mesh or 18 x 14 mesh), available in aluminum, bronze, fiberglass, galvanized or stainless steel wire. Also referred to as "fly-screen."">Insect Cloth
  • Inside Dimension(ID) The distance measured between the inner edges of a formed wire screen. Measurement is taken at right angles to the formed edge.">Inside Dimension
  • Inside RadiusIn handrail components, the radius of the inside of the "elbow" or rail end as it follows the prescribed bend angle.">Inside Radius
  • Intermediate CrimpWire cloth with extra crimps in warp and shute wires between intersections. Generally used in wide mesh light wire combinations to stiffen fabric, add rigidity and assure accurate mesh. Also, referred to as "multi-crimp" and "inter-crimp.";">Intermediate Crimp
  • Kick PlateThis accessory item is attached to the edge of a piece of grating and extends above the walking surface to provide a barrier that prevents shoes or boots from extending over the edge of the flooring.">Kick Plate
  • Ladders and CagesFiberglass ladder and/or cage systems designed to mount to a vertical structure such as the side of a building or a storage tank.">Ladders and Cages
  • LengthThe dimension of a grating panel measured parallel to the bearing bars.">Length
  • Line WireThe wire in wire cloth that runs parallel to the length (i.e., the long side of the roll or sheet) (same as warp wire) opposite of cross wire.">Line Wire
  • Lip SizeThe size of the front lip for molded stair tread covers.">Lip Size
  • LoadThe amount of weight measured in pounds per square foot that the grating will support. There are two types of load measurements; point and whole bar.">Load
  • Load Carrying BandA band used in a cutout to transfer the load from unsupported bearing bars in the cutout to the supported bearing bars.">Load Carrying Band
  • Lock-CrimpA weave in which deep crimps in wires at points of intersections lock wires securely in place. Usually specified for heavy-duty metal screening.<br />">Lock-Crimp
  • Long-SlotA weave in which shute wires are arranged in clusters to provide slotted openings.">Long-Slot
  • LWD(Long Way of diamond) distance from an outside point on a bond to a corresponding outside point on the following bond across the long distance of the expanded metal diamond opening. Also the distance across all of the long openings of all the diamonds in the sheet.">LWD
  • LWO(Long Way of the Opening) is the length of the opening of the longest side of the expanded metal diamond and does not include the strand width, where LWD (Long Way of the Diamond) does.">LWO
  • Machine Run To SizeExpanded metal as it comes off of the press with closed diamond edges.">Machine Run To Size
  • Major MaterialThe primary material source found in metal products.">Major Material
  • MarginsThe blank (unperforated) area along the edges of the sheet. For stock sheets, the standard is minimum margins along the length and no margins along the width.">Margins
  • Market GradeApplies to wire cloth specifications most commonly used for general work. Market grade wire cloth is made of one size wire for each sized closed mesh.">Market Grade
  • Matting and FlooringPanel, plank or sheet products designed to be used as flooring over a solid surface.">Matting and Flooring
  • Medium MeshWire cloth having a mesh count of 30 x 30 to 90 x 90 inclusive.">Medium Mesh
  • MeshNumber of openings per lineal inch, measured from center of wire to center of wire. This term is often used when referring to wire mesh, which is available in aluminum mesh, copper mesh, brass mesh, bronze mesh, mild steel mesh, pre-galvanized mesh, and stainless steel mesh.">Mesh
  • Meshes (Expanded Metal)A term used to describe special Expanded Metal products. (Architectural, Decorative, and Fine Meshes.) Also used generically and in the singular ("mesh"), to describe the diamond design.">Meshes (Expanded Metal)
  • Metal BlankingBlanking is a shearing process where materials are cut into a predetermined shape.">Metal Blanking
  • Metal CuttingThe process that is completed by sawing, shearing, or torching with hand-held gas or plasma torches.">Metal Cutting
  • Metal DeckMetal Flooring products designed to provide a walking surface with load bearing capability over short spans.">Metal Deck
  • Metal DrillingDrilling is a cutting process that uses a drill bit to cut a circular hole in solid materials.">Metal Drilling
  • Metal GratesA metal grate is a framework of parallel or crossed bars, used as a partition, guard or cover. Metal grates are also known as metal grating or bar grating, and are available in aluminum, stainless steel and carbon steel (plain or serrated).">Metal Grates
  • Metal PlateFlat sheet or plate products designed to provide a metal flooring surface with no load bearing capability.<br />">Metal Plate
  • Metal PunchingMetal punching is a forming process that uses a punch press to force a tool, called a punch, through the work piece to create a hole via shearing.">Metal Punching
  • Metal RollingA bending process in which sheet metal, coil, bar or strips of metal pass through rolls that form the metal.">Metal Rolling
  • Metal SawingSawing is a part of the cutting fabrication process.">Metal Sawing
  • Metal ShearingShearing is a process for cutting sheet metal to size from a larger stock.">Metal Shearing
  • Metal SlittingThe process of cutting the coiled steel into various narrower widths or to cut along lines of a given length or contour in a sheet or work piece.">Metal Slitting
  • Metal StampingThe process in which single or multiple punches, stamps, or bends a custom part into the shape of the die.">Metal Stamping
  • Metal WeldingThe process of using an electric arc and a filler material to join together two or more metal pieces or parts by heating the surfaces of the parts then reuniting them together.">Metal Welding
  • Mezzanine Floor GratingA mezzanine floor is an intermediate floor between main floors of a building and mezzanine floor grating is used to cover this area. The word mezzanine comes from the Italian word mezzo, which means “middle.”">Mezzanine Floor Grating
  • Micron1/1000 millimeter, 0.00003937 inch. The unit of measure for particle retention of filter media.">Micron
  • Micronic GradesFiner mesh of dutch weave cloth in meshes giving retentions of 50 microns or finer.">Micronic Grades
  • Mill GradeGroup of industrial wire cloth specifications with lighter wire than market grade. Standard wire diameter of this grade produces a medium percentage of open area.">Mill Grade
  • Minor MaterialA specific grade of material within a larger material type. These include grades of plain steel and stainless steel, alloys of aluminum and specific fiberglass resins.">Minor Material
  • MoldedGrating products constructed by molding fiberglass into a specified grid pattern of uniform thickness.">Molded
  • Molded GratingTreads for stairs made from molded fiberglass grating products.">Molded Grating
  • Nonferrous AlloysNon-pure metals containing no iron, i.e. brass, aluminum, etc.">Nonferrous Alloys
  • NosingAccessories attached to the leading edge of expanded metal stair treads to provide additional slip resistance and support to the tread.">Nosing
  • Nosing ColorThe color of the nosing area of a molded stair tread cover.<br />">Nosing Color
  • Nosing TypeThis characteristic designates the type of nosing, such as Corrugated, Checkered Plate or Cast Abrasive.&lt;br />">Nosing Type
  • Oblong MeshWire cloth with rectangular openings, resulting in a different mesh count in the fill than in the warp. Usually called "off count" in the case of finer meshes.">Oblong Mesh
  • Off CountA mesh that has a greater number of wires per inch in one direction – usually the warp direction – than the other. Sometimes referred to as rectangular mesh.">Off Count
  • Oil Tempered WireHigh carbon steel wire that is heat resistant to produce good strength and abrasion resistance.">Oil Tempered Wire
  • Open AreaThe ratio of the area of the open spaces to the total area of a screening surface expressed as a percentage.">Open Area
  • OpeningDimension between parallel adjacent wires.">Opening
  • Opening Size (Expanded Metal)The area in expanded metal enclosed by bonds and strands.">Opening Size (Expanded Metal)
  • Opening Size LWOThis characteristic identifies the opening size in inches, running the long way of the opening in an expanded metal pattern. It is found under expanded metal - flattened, standard and decorative and for expanded grating.">Opening Size LWO
  • Opening Size SWOThis characteristic identifies the opening size in inches, running the short way of the opening in an expanded metal pattern. It is found under expanded metal - flattened, standard and decorative and for expanded grating.<br />">Opening Size SWO
  • Order Procedure (Expanded Metal)Give the supplier a complete specification to avoid possible error. SWD dimension is always given before LWD dimension:<br />Example: 1 /4" #18 Standard Expanded Metal, Carbon Steel 4' SWD x 8' LWD">Order Procedure (Expanded Metal)
  • Outside DiameterThe outside diameter of a ball, hemisphere or U-Bend in our line of handrail components.">Outside Diameter
  • Outside DimensionThe dimension from outer wall to the outer wall of a tube or rod, typically used to describe a structural shape.">Outside Dimension
  • Overall ThicknessThe thickness of the plate is measured from the bottom of the panel to the top. The stock thickness is 1/4". Thicknesses are available from 1/8 to 1 inch.">Overall Thickness
  • Passive ScreenIntake screening device that does not employ mechanical cleaning.">Passive Screen
  • Pattern NameMany decorative or architectural patterns are identified by a pattern name. This characteristic identifies a specific decorative or architectural patterns in our wire mesh, expanded metal, perforated metal and bar grating product lines.">Pattern Name
  • Percent Open Area% Open Area is the percentage of free space in an product that contains openings. For example, the % Open Area of perforated metal is the measurement of the free space created by the Holes in the sheet.">Percent Open Area
  • Perforated MetalSheet or coil products with holes punched through them to create a specified pattern.">Perforated Metal
  • Perforated Metal SupplierA supplier that suppliers perforated metal, which is a form of sheet metal which has been punched or stamped with a machine to create a pattern of holes.">Perforated Metal Supplier
  • Perforated PlaneA type of screening surface with various shape openings used for the purpose of separating material.">Perforated Plane
  • Perforated PlasticPerforated plastic is a sheet of plastic that contains holes punched by a die. Our perforated plastic is available in a variety of gauges and patterns and has corrosive resistant properties.">Perforated Plastic
  • Perforated SheetPerforated sheet is also known as perforated metal, perforated plate, or perforated screen. This sheet is metal that has been manually or mechanically stamped or punched to create a pattern of holes, slots, or decorative shapes.">Perforated Sheet
  • Perforated SteelThis type of steel is often used for architectural details, ventilating, and furniture. Heavier gauges are used in security applications. This metal has been manually stamped or punched to create a pattern of holes, slots, or decorative shapes. ">Perforated Steel
  • Pickled and OiledHot rolled steel that is acid pickled to remove mill oxide, improving surface appearance, uniformity and finishing qualities including paint adhesion.">Pickled and Oiled
  • Pipe/Tube SizeIdentifies whether a handrail component is made to fit a pipe specification or a tube specification.">Pipe/Tube Size
  • Plain Dutch WeaveWire woven using two sizes of wire. Smaller wires, as small as micron size, are used in the shute direction and are woven with a larger warp wire. The smaller wires are then woven tightly together, providing a tight mesh for filtering. The larger wire will provide strength to the overall mesh.">Plain Dutch Weave
  • Plain WeaveWire cloth in which each warp wire and each shute wire passes over one and under the next adjacent complimentary wire in both directions. There are no crimp operations prior to weaving as all crimp comes from the weaving force. Also known as a Square Weave.">Plain Weave
  • PlankGrating products with a variety of different walking surfaces produced by forming a sheet into a plank or through an extrusion process.">Plank
  • Plank GratingTreads for stairs made from plank grating products.">Plank Grating
  • Pre-Crimped WeaveWire cloth woven with warp and shute crimped before weaving. (The opposite of "plain weave") Openings are very accurate and the weave is tighter than plain weave.">Pre-Crimped Weave
  • Pressing ClothOff-count mesh woven in copper, nickel or monel and used by makers of commercial clothes-pressing machines, in the head and buck to distribute the heat evenly. Mesh sizes are; 50 x 40, 60 x 50 and 64 x 56.">Pressing Cloth
  • Pressure-Locked GratingGrating in which the cross bars are mechanically locked to the bearing bars at their intersections by deforming or swaging the grating material.">Pressure-Locked Grating
  • Profile ScreenFlat, curved or cylindrical panels made of looped, round and/or wedge-shaped wires for precise openings. Also, referred to as "wedge wire screen."">Profile Screen
  • PultrudedGrating products constructed with a series of pultruded fiberglass load bearing bars attached together in a specified pattern by fiberglass cross bars.">Pultruded
  • Pultruded GratingTreads for stairs made from pultruded fiberglass grating products.">Pultruded Grating
  • Punched for SplicingSome plank gratings, typically walkway product, may be ordered with pre-punched holes in the side channel to accommodate bolts on the spliced grates. These spliced grates secure adjacent walkway planks end to end.">Punched for Splicing
  • Punched Hole SizeSome extruded plank grating products have a surface that is punched with holes. This characteristic identifies the size of the punched hole.">Punched Hole Size
  • Punched Hole TypeSome extruded plank grating products have a surface that is punched with holes. This characteristic identifies the shape of the punched hole for these items - diamond, rectangular, round or oval.">Punched Hole Type
  • PVC Wire MeshThis type of coated mesh is ideal for industrial, cage, and marine applications. The coating on the welded wire can handle intensive use without stripping or peeling.">PVC Wire Mesh
  • Radially Cut Bar GratingRectangular bar grating which is cut into panels shaped as annular segments, for use in circular or annular areas.">Radially Cut Bar Grating
  • Rail EndsMade for handrails mounted to walls by their ends, these components are meant to attach the straight part of handrail back to the wall.">Rail Ends
  • Random ShearingCutting sheets to size without regard to the position of the holes. Typically results in open holes at the margins.">Random Shearing
  • Raw EdgeThe unfinished edges of wire cloth running the length of the screen.">Raw Edge
  • Rectangular MeshWire cloth with different warp and fill wire mesh counts which results in rectangular openings. The most common have a higher warp mesh than filter mesh.">Rectangular Mesh
  • Rectangular OpeningWelded or woven wire mesh in a rectangular pattern defined by the opening size in both dimensions.">Rectangular Opening
  • Reference NumberThis identifies a secondary identification number by which a handrail component can be specified.">Reference Number
  • RefiningA process of removing impurities from metals by introducing air and flux into the molten metal. The impurities are removed as gases or slag.">Refining
  • Regular Expanded MetalSheet simultaneously slit and stretched into a grid, non-raveling open expanded metal mesh.">Regular Expanded Metal
  • Reinforced EdgesA formed hook on the tensioning edge of a screen panel that is strengthened with the addition of sheet metal.">Reinforced Edges
  • Resin ContentThis identifies the percentage of resin as a component of fiberglass grating.">Resin Content
  • Resin NameFiberglass products are manufactured using different resin formulations for service in a variety of applications and environments.">Resin Name
  • RetentionThe ability of wire cloth as a filter medium to prevent the passage of solids. It is expressed by the diameter (usually in microns) of the largest spherical solid particle that will normally pass through.">Retention
  • Reticuline Steel BarA sinuously bent connecting steel bar extending between two adjacent bearing bars, alternatively contacting and being riveted to each.">Reticuline Steel Bar
  • Reverse Dutch WeaveThe same weave as Plain Dutch except the warp and shute wires are reversed; i.e., the warp wires have a smaller diameter than the shute wires. The larger shute wires are woven closer together than would usually be seen in a Plain Dutch weave.">Reverse Dutch Weave
  • Reversible Bar GratingSteel bar grating so constructed that it may be installed either side up, with no difference in appearance or carrying capacity.">Reversible Bar Grating
  • Rice Wire ClothWire mesh made of hard-drawn wire and generally available in 12 x 14 mesh. Also referred to as "brush cloth" or "reel wire."">Rice Wire Cloth
  • RingDecorative fittings shaped as rings made from square or round solid bar stock.">Ring
  • Ripple Flat-CrimpWire cloth in which the interlocking crimps are on the underside of the screen in addition to shallow forming crimps that are shaped in a downward angle in relation to the top of the screen. This provides a surface that is less resistant to material flow while providing additional hardness to a given wire.">Ripple Flat-Crimp
  • Rivet CentersThe distance center to center of rivets along one bearing bar.">Rivet Centers
  • RivetedA type of bar grating made through a riveted process that uses no heat for forming or assembling. Bearing bars are connected by reticuline bars.">Riveted
  • RodA solid round or square structural shape.">Rod
  • RollThe normal unit of bulk sale for wire cloth. The normal length is 100 feet, +/- 10%. Widths range from 24" up, with tolerances of 1/16" to 1/4" according to mesh. Invoices are based on the actual length supplied.">Roll
  • Round HolePerforated metal material punched with round holes. Staggered (60 degree pattern) is standard.">Round Hole
  • Round Hole EquivalentThe dimensions of any shaped opening in a screening surface that will make essentially the same separation as specified round hole.<br />">Round Hole Equivalent
  • Saddle ClipsThese are used for anchoring grating with welded steel and pressure-locked aluminum or steel grating with bearing bars.">Saddle Clips
  • Saddle StyleThis identifies the style of the mounting to which the pipe or tube is attached on a handrail bracket.">Saddle Style
  • Safety FlooringSafety flooring, also known as safety grating or floor grating, is one of the most popular types of flooring for various industries, mainly due to its slip resistant surface and durability.">Safety Flooring
  • Safety GratingMetal safety grating, also known as safety flooring, is a type of floor grating designed to help you engineer a more secure workplace by preventing injuries and reducing overall costs for operation. Safety grating is excellent for places such as, work platforms, mezzanine floors, and steel flooring.">Safety Grating
  • Sandwich ScreenThe combining of at least two non-identical wire cloth screens into one set of reinforced hooks to form one screen. Usually the finer mesh screen is placed above the larger mesh or support screen.">Sandwich Screen
  • Scalp WeaveWire cloth in which deep crimps in the wires are at the points of intersection to lock wires securely in place. Usually used for heavy-duty screening and referred to as "lock-crimp," "arch crimp" and "press-lock".">Scalp Weave
  • ScreeningA mechanical process which accomplishes a division of particles on the basis of size and their acceptance or rejection by a screening surface.">Screening
  • Screening SurfaceThe medium containing the apertures for passage of the undersized material.">Screening Surface
  • Sealing KitsMaterial that can be mixed and applied to the cut surfaces of fiberglass products to reseal and protect them.">Sealing Kits
  • SelvageThe finished edges of wire cloth running the length of the roll which are produced by the weaving operation.">Selvage
  • Serrated GratingGrating which has the top surfaces of the bearing bars or cross bars or both notched.">Serrated Grating
  • ShakerA screen with reciprocating motion.">Shaker
  • ShearingCutting expanded metal to size to produce various sizes and shapes.">Shearing
  • Sheet and PlateA flat sheet or plate.">Sheet and Plate
  • Sheet SizeWhile expanded metal can be manufactured in many varying sheet sizes, practical limitations are such that it is wise to select sheet sizes shown from our catalog.">Sheet Size
  • Shute WireThe wires in wire cloth that runs parallel to the width.">Shute Wire
  • Side StaggerA term used to describe a perforated configuration of elongated apertures where the long axes of the apertures fall in line on every row but the short axes of only every other row fall in line.">Side Stagger
  • SieveWire Mesh products constructed by attaching a specific opening or mesh size to a round frame. These products are used in testing applications to size material.">Sieve
  • SifterA screen with rotary motion substantially in the plane of the screening surface.">Sifter
  • Sized FeedMaterial that has been screened or classified prior to a process.">Sized Feed
  • SleezinessThe absence of firmness in woven wire cloth.">Sleeziness
  • Slip Resistant Stair TreadsSlip resistant stair treads have serrated surfaces that are designed specifically to prevent slips in areas prone to oil or other hazardous elements. Slip resistant stair treads are an ideal choice for industrial facilities or outdoor sites where slippery conditions may exist.">Slip Resistant Stair Treads
  • Slip-on FittingsLightweight cast aluminum components that attach to pipe mechanically via a hex screw to make railing sections. These are available as either "in line" or offset design.">Slip-on Fittings
  • Slot LengthSome perforated metal is punched with slotted holes. The slot is described as having a width and length dimension in inches. The width is the short way of the slot, the length is the long way of the slot. Side staggered, end staggered or straight lines will be round end slots.">Slot Length
  • Slot ShapeThe shape of the slot ends, either round or square.">Slot Shape
  • Slot WidthSome perforated metal is punched with slotted holes. The slot is described as having a width dimension in inches and a length dimension in inches. The width is the short way of the slot, the length is the long way of the slot.">Slot Width
  • Slotted HolePerforated material punched with slots.">Slotted Hole
  • Slotted OpeningsWire cloth with rectangular openings which provide the maximum open area and tend to prevent blinding or clogging of material. The smaller dimension controls the sizing of material. The warp mesh-count and wire size are indicated before the shoot mesh-count and wire size.">Slotted Openings
  • Smooth TopWire cloth with deep crimps, as in lock crimp, except that all crimps are on the under side of the cloth, leaving the top surface all in one plane.">Smooth Top
  • Soffit-Vent Screen"Hardware cloth" slit to narrow widths (3", 4", 6", or 8") and supplied in 100 foot rolls, in 8 mesh and 4 mesh. Used in the construction industry for vent screening.">Soffit-Vent Screen
  • SpaceActual clear opening or space between the inside edge of two parallel wires.">Space
  • Space ClothSpace Cloth">Space Cloth
  • Spacing DescriptionThis characteristic identifies common spacing descriptions for bar grating and pultruded fiberglass grating. These values serve as a quick reference to the bearing bar spacing, the cross bar spacing and the method of construction for an item.">Spacing Description
  • Spacing of PerforationsSpacing for large perforations will be designated by either centers of perforations or by the open area required. Spacing for small perforations will be designated by either centers or open area or by the number of perforations to the square inch.">Spacing of Perforations
  • SpanSpan is the length of the grating across two consecutive bar grating supports. Span includes both the supported and unsupported sections of the grating.">Span
  • Spark ArresterWire mesh cloth used to restrict incandescent particles of a burning material.">Spark Arrester
  • Splice PlatesProducts used to connect two separate pieces of plank grating together to form a single piece.">Splice Plates
  • Square HolePerforated material punched with square holes staggered or straight line pattern.">Square Hole
  • Square MeshMesh with equal spacing of warp and shute to give square openings.">Square Mesh
  • Square OpeningWelded or woven wire mesh in a square pattern defined by the opening size.">Square Opening
  • SquarenessProducts are square within manufacturing tolerances. Should squareness be critical, sheets can be square sheared.">Squareness
  • Stainless Steel GratingAn open grid assembly of metal bars, in which the bearing bars, running in one direction, are spaced by rigid attachment to cross bars running perpendicular to them or by bent connecting bars extending between them.">Stainless Steel Grating
  • Stainless Steel ScreenThis type of screen can be used for a wide array of architectural and functional purposes. From energy-saving sunshades to versatile filters, stainless steel screen provides functionality while adding aesthetic appeal. We offer a variety of stainless steel mesh weave designs, styles, and dimensions to fulfill your requirements. ">Stainless Steel Screen
  • Stainless Steel Wire Mesh FilterStainless wire mesh filters are ideal for filtration used in adverse environmental conditions. Direct Metals<sup>®</sup> fabricates custom made to order stainless steel filters of varying sizes in single or multiple layers of woven wire mesh.">Stainless Steel Wire Mesh Filter
  • Stainless Wire MeshThis wire mesh is a metal wire screen that is made up of stainless steel wire. It is available in a variety of sizes and shapes and can be used in countless applications. ">Stainless Wire Mesh
  • Stair Tread CoversNon load-bearing products used to cover existing load bearing stair treads to provide a renewed or different walking surface.">Stair Tread Covers
  • Stair Tread TypesBar grating stair treads are described in three types. Type A-Standard is an aluminum stair tread finished with corrugated angle nosing. Type B-Standard is a welded or press-locked stair tread finished with checkered plate nosing. Type C-Special is available in either steel or aluminum and is finished with a cast abrasive nosing.<br />">Stair Tread Types
  • Stair TreadsProducts used specifically as load bearing treads on stairs with or without integral end plates. Expanded metal grating stair treads are fabricated using #4 grating, angles and bars. Safety grating stair treads come in four safety grating products. Bar grating stair treads are available in carbon, aluminum and stainless steel. Fiberglass stair treads offer a slip-resistant protective surface for concrete, metal and wood steps.">Stair Treads
  • Standard Expanded MetalAlso called regular, unflattened or raised expanded metal. Expanded metal as it comes from the press. The strands and bonds are set at a uniform angle to the plane of the sheet.">Standard Expanded Metal
  • Steel GratingThis type of grating is a kind of open steel member with its bearing bars and cross bars jointing at their intersections either by welding or by locking. Direct Metals<sup>®</sup> carries a full line of stainless steel bar grating.">Steel Grating
  • StiffnessIn perforating, the ability of a metal to resist deflection.">Stiffness
  • Straight Rows Parallel ToPerforated metal is often made by punching a series of straight rows, each offset or "Staggered" from the next. The way the pattern fits on the sheet is described by the direction of the straight rows as being parallel either the "width" or "length."">Straight Rows Parallel To
  • StrainerAn assembly of woven wire cloth for the removal of unwanted foreign particles from a stream of liquid or gas. It includes any necessary fittings or reinforcements, is usually complete in itself and may be considered, as a protective device.">Strainer
  • Strainer ClothPlain-weave, off-count brass mesh cloth with a higher percentage of open area. Meshes range from 40 x 32 to 120 x 88. In addition, 20 x 20/.010" diameter and 30 x 30/.007" diameter square mesh brass wire cloth are classified as strainer cloth.">Strainer Cloth
  • StrandThe single metal strip that forms the border of the diamond or opening in the expanded metal.">Strand
  • Strand ThicknessExpanded Metal appears as a diamond shaped pattern with the strands being the metal that forms the pattern. Each strand has a width and a thickness. This characteristic identifies the thickness of the strand in a given expanded metal pattern.">Strand Thickness
  • Strand WidthAmount of material fed into the press to produce one strand.">Strand Width
  • Stranded WeaveA twilled weave with multiple wires in both the warp and the shute.">Stranded Weave
  • StriationGrooves or channels cut or extruded in the surface of grating, usually parallel to the length for the purpose of providing slip resistance.">Striation
  • Structural QualityMaterial applicable to the various classes of structures, indicated by the standard specifications which is suitable for the different mechanical operations employed for the fabrication of such structures. Structural quality (the characteristics of which are defined by the ASTM (American Society for Testing Materials) represents the quality of steel produced under regular or normal manufacturing conditions.">Structural Quality
  • Structural ShapesThese products are used to provide a supporting structure such as I-Beams or of a unique shape such as tube, rod or channel.">Structural Shapes
  • StubsThe bearing bar lengths along the cut edge of a piece of bar grating measured from the end to the nearest cross bar.">Stubs
  • StudsAn item that is welded to a piece of angle to create a fabricated product called embedment angle. Embedment angle is set into concrete to form the shelf for a trench on which grating rests. The studs serve to lock the angle into the concrete.">Studs
  • Style Designation Format (Expanded Metal)A combination of numbers, letters and abbreviations - in a standard format - permitting proper specification of dimension, thickness, style and weight of most commonly used Expanded Metal products.">Style Designation Format (Expanded Metal)
  • Support ScreenA heavy wire mesh either flat-top weave or calendered, supporting a finer mesh in filtration or straining.">Support Screen
  • SurfaceWelded bar grating is available in smooth (standard surface), serrated (serrations are cut into the grating’s bearing bar surfaces) or Grip Strut™ (grit is bonded to the grating surface).">Surface
  • Surface FinishThe description, name or numbering that describes the finish of a material's surface.">Surface Finish
  • SwagingA method of altering the cross-sectional shape of a metal bar gratingby pressure applied through dies.<br /&gt;">Swaging
  • SWD(Short Way of Diamond) Distance from an outside point on a bond to a corresponding outside point on the following bond across the short distance of the expanded metal diamond opening. Sometimes called pitch. Also the distance across all of the short openings of all of the diamonds in the sheet.">SWD
  • SWO(Short Way of Opening) Distance across the short opening of the expanded metal diamond from a point on the inside of the bond to a corresponding inside point of the next bond.">SWO
  • Tensile StrengthThe maximum tensile load per square unit of cross section that a material is able to withstand.">Tensile Strength
  • Textured FinishesMetal sheets with a rolled, 3-dimensional pattern.">Textured Finishes
  • ThermosettingDescribes the method by which polymer resins are cured. The resins which are liquids, harden when exposed to heat.<br />">Thermosetting
  • Tinned ClothWire cloth woven of wire that has been tin coated before the weaving process. Generally available in "mill grade" wire diameters.">Tinned Cloth
  • ToeplateA flat part attached flat against the outer edge of bar grating or rear edge of a tread, and projecting above the top surface of steel grating or tread to form a lip or curb.">Toeplate
  • Top Flange SpacePultruded Fiberglass Grating is available in both "I-Bar"; and "T-Bar" shapes, both of which incorporate a top and bottom flange. The space between the top flange of adjacent bearing bars.">Top Flange Space
  • Top Flange WidthThe width of the top flange of the pultruded bar used for grating.">Top Flange Width
  • TreadA panel of grating having carriers and nosing attached by welding and designed specifically to serve as a stair tread.">Tread
  • Trim BandBar grating panels, pieces or trenches can be banded or have a flat metal bar welded to the ends of the bearing bars. The flat metal bar is welded at every 4 to 6 bearing bars and is commonly used for pedestrian traffic applications where loading is not a factor.">Trim Band
  • Trimmed Overall LengthThe overall length of a 1/2" diameter solid round bar U-Bend.">Trimmed Overall Length
  • Triple ShootSlotted opening screen which due to particular application and/or length of slot, requires three shute wires in adjacent crimps followed by the long slot and repeated.">Triple Shoot
  • Twilled Dutch WeaveA combination of "Plain Dutch" and &quot;Twilled," except that the warp and shute wires are usually the same size.<br />">Twilled Dutch Weave
  • Twilled WeaveWire cloth in which each warp wire and each shute wire passes successively over two and under the next adjacent pair of wires.">Twilled Weave
  • U-BendA decorative fitting made of 1/2" diameter solid round bar bent into the shape of a "U."">U-Bend
  • U-EdgingU-shaped products designed to be cut to size and fit over the rough edge of expanded or perforated metal to provide protection and appearance value.">U-Edging
  • U-Edging OpeningThe size of the opening between the parallel legs of U-Edging.">U-Edging Opening
  • Utility FabricAn inexpensive, general purpose, welded fabric manufactured from galvanized wire. Edges are smooth with cross wires flush trimmed.">Utility Fabric
  • UV ProtectionProtection against degradation over time from the sun's ultraviolet rays is available in the form of UV inhibitors or coatings.">UV Protection
  • Vibrating ScreenA woven wire, punch plate or synthetic screen oscillated by mechanical or electrical means.">Vibrating Screen
  • Wall ThicknessThe thickness of the material that makes up the wall of a pipe or tube.">Wall Thickness
  • Warp WireFoundation wires running parallel to the length of the cloth.">Warp Wire
  • WeaveThe manner in which the warp and fill wires are interwoven.">Weave
  • Wedge WireA general term for welded material made from metallic wires.">Wedge Wire
  • Weft WireThe wires in wire cloth that run parallel to the width (i.e., the short side of the roll or sheet) opposite of warp wire.">Weft Wire
  • Weight Per Unit AreaThe weight per square foot for wire cloth (without consideration for crimp).">Weight Per Unit Area
  • Weld-on ElbowA section of pipe or tube that changes directions according to a prescribed radius to form a shape like an &quot;elbow."">Weld-on Elbow
  • Welded GratingGrating in which the bearing bars and cross bars are joined at their intersections by a resistance weld.">Welded Grating
  • Wide Flange BeamAn I-Beam with extra wide flanges as compared to a normal I-Beam.">Wide Flange Beam
  • WidthThis characteristic identifies one dimension of an item. It is commonly used in inches.">Width
  • Wire ClothA general term for screening material woven with metallic wires.">Wire Cloth
  • Wire Diameter or GaugeDiameter of wire used in weaving cloth.">Wire Diameter or Gauge
  • Wire Diameter Parallel LengthIn wire mesh, the wire diameter parallel to the length of the material, also known as the Warp Wire or Line Wire.">Wire Diameter Parallel Length
  • Wire Diameter Parallel WidthIn Wire Mesh, the diameter of the wire parallel to the width of the material, also known as Fill Wires, Cross Wires or Shute Wires.">Wire Diameter Parallel Width
  • Wire MeshMesh usually describes several wire mesh products available at Direct Metals<sup>®</sup>: aluminum mesh, stainless mesh, architectural mesh, cage wire mesh, PVC coated wire mesh, woven wire mesh, welded wire mesh, hex netting, stainless mesh filters, stainless mesh screen & wire mesh containers.">Wire Mesh
  • Wire Mesh SizeNumber of openings per lineal inch, measured from center of wire to center of wire.<br />">Wire Mesh Size
  • Woven Wire Screen ClothA type of screening surface, woven in square, rectangular or slotted openings.">Woven Wire Screen Cloth
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