Our staff of metal experts is ready to assist you. Rp1. The high percentage of open area makes bar grating practically maintenance-free, and all products are fully recyclable. Our team of metal grating experts is ready to help with your project, no matter the size. We’ve been servicing residential and business customers in the area since 1997 – we know metal! Our store is conveniently located with easy access between I5 and Hwy 167 near the crossroads of West Valley Hwy and 212th. Item/Type: Grating clip / G Clip Material Grade: Stainless steel AISI 304 or 316. Choose from our selection of metal bar grating, fiberglass bar grating,. They have an open surface that prevents debris from accumulating. 5". Stainless Steel. 6402180132, 6402180134. For technical drawings and 3-D models, click on a part number. Grip Strut™ safety metal grating walkways meet OSHA requirements for toe boards on elevated structure. 6602310232, 6602310234. Step 1: Material And Construction: The first step is to select the appropriate material for the gratings. /Each: 0. 4 HEAVY DUTY METAL BAR GRATING ANSI/NAAMM MBG 532-19. 6061. View All Load Tables. BEARING BARS (1/4", 5/16" & 3/8" THICK) & MAXIMUM PANEL WIDTHS CARBON STEEL & GALVANIZED STEEL CHART NO. Drilling: Not required. Architectural. 90 205 515 193,000Industrial Bar Grating is dipped in black primer for temporary protection and not for cosmetic applicatons as is. A versatile, one-piece metal plank, Grip Strut is manufactured with unique diamond shaped openings and formed side channels. The galvanized grating is used in heavily trafficked areas like parking lots, highways terminals, airports, etc. Non-slip stainless steel grating and treads for raised platform at SugarCreek Packing Plant. We also supply a. Marco Specialty Steel offers decorative perforated sheet metal ranging from 16 to 24 gauge. For Fabrication of Steel,Stainless Steel and Aluminum Bar Grating Third Edition ANSI/NAAMM MBG 533-09 Published and distributed by the NATIONAL ASSOCIATION OF ARCHITECTURAL METAL MANUFACTURERS 800 Roosevelt Road Bldg. Typical applications for gratings include pedestrian walkways, access walkways, decking. The Algrip laser deposition surface may be applied to the walking surface of nearly all gratings found in the Metal Bar. For additional information, see Surface & Finish Options. Materials Available Carbon Steel. specializes in metal bar grating design, manufacturing, and custom fabrication using aluminum, carbon steel and stainless steel. Offering a wide variety of bar grating types and constructions including: carbon steel grating, aluminum grating, stainless steel grating, bar grating stair treads, and bra grating. Bar Grating, Heavy-Duty Welded, Stair Tread, Rectangular Bar, GHB-100, 19-W-4 Spacing, Galvanized Steel, Hot Dipped, 1" x 1/4" Rectangular Bars, Smooth Surface, Checkered Plate 90° Angle Nosing, CP-BG-1225 Bar Grating Stair. shall have no responsibility or liability for results obtained or damages resulting from improper evaluation or use of Bar Grating. Weldforged ® grating panels from IKG provide durable, strong,. Maximum, multi-directional slip resistance is provided by a heavily serrated, diamond matrix walking surface that enhances workplace safety. Stainless steel is great in corrosive environments and environments that need to keep clean such as. 4” 19W2. 2. Qty: View Details Add To Cart. ADA Grating. McNICHOLS CO. Popular for highly corrosive environments and long-lasting architectural applications, stainless steel bar. Carbon Steel. These gratings are available in aluminum, fiberglass, stainless steel and galvanized steel materials. Our trench and floor bar grates and bar drain trays are manufactured using 304 or 316 stainless steel. $ 115. and 100mm are recommended. S grade 304 grating mesh, thickness is 4 mm, the height is 30 mm, size 1. McNICHOLS® Expanded Metal Grating provides reliable solutions for load-bearing applications. The cross bars are connectors made from a strip or rolled bars which extent across or through the bearing bars. 24188R125-C4. 020". Standard-Duty Welded - Carbon Steel & Galvanized Steel. (Fasteners available in Self tapping, or Bolts with nuts and washers included). Grating Length 1400 Linear meters. ft. Our U-Edging is easy to install and available in custom lengths. Bar Grating. Gratings are available in Standard series for pedestrian loads or Heavy Duty series for vehicular traffic. A bar grating stair tread is a series of bearing bars joined to perpendicular. Stainless Steel - 19SW4; Stair Treads; Anchoring Devices. With its longevity, high. 8401 W. It is available with a serrated or smooth surface. McNICHOLS® Nosing Accessories strengthens the leading edge of Bar Grating Stair Treads. Direct Metals ® can cut to your size specifications with our fast and accurate fabrication services. In 19 warehouses across the United States, McNICHOLS has a wide selection of Specialty Metals and Grating Products, all ready to ship directly to you or your customers. 000. Welded steel grating has anti-slip surface, corrosion resistance, good drainage function, high strength and load capacity. . The common size is 900mmx5800mm,900mmx6000mm. In-Stock catwalk included in Grating-Carbon Steel. Stainless steel square grating (fern), for domestic, size: 6. (mm). 1. Type G Hold Down Clamps: stainless steel clips designed to attach grating to any structural member flanges, 3/4” or smaller in thickness. 800-472-8464. All forms of light duty and close mesh carbon steel grating are also available in stainless steel (both 304 & 316). Carbon steel, galvanized steel, aluminum, and austenitic stainless steel are all common material types that are used to make safety grating. Grating Pacific is Your Preferred Source for Industrial and Architectural Perforated Metals. Product Details Feedback. Metal grating is a metal product produced by perforating metal sheets or joining bars of metal to form a grid. In order to increase slip resistance there are a number of options available for consideration, especially for sloping walkways. Note that the material for a bar grate is typically selected for corrosion resistance and weight. Products. Bearing bar pitches may be 15 to 20、25、30、33、. Bearing bar pitches may be 15 to 20、25、30、33、. They are manufactured using 304 or 316 stainless steel ¼” x 1-1/2” bars on 1” centers. Hot Rolled. 25 x 3 mm, 25 x 4 mm, 25 x 5 mm, 30 x 3 mm, 30 x 4 mm, 30 *5mm, 40 *4 mm, 40 x 5 mm, 50 x 4 mm, 50 x 5 mm. America's first and leading steel grating manufacturer. A 305 SPE9 FRP Load Table *NB. 3 FASTENERS . Panels are manufactured to 2’ and 3’ widths, while providing standard lengths up to 24’ long. 8: 5. Integrity Associates Inc. Grating Depth410-918-0198. com (888)499-8494. We provide more information on. These stainless steel gratings are used as stairs, platforms, drain covers for different types of projects. Available in welded, press-locked, and swaged. Applications: Walkways, flooring, ramps, bridge flooring, trench and drainage covers, mezzanines, platforms, stair treads, etc. Largest selection of fabricated, ready to ship trench and drain grating sizes at wholesale prices. Stair treads in each of these metal grating types are available with plain or serrated surfaces. It regularly appears on catwalks, factory floors, platforms, railing infill panels, and as Stair Treads. Please give us a call at 1-800-711-4939 or email us at info. S Grating and Steel Floor grating. With a variety of grades, including 15-5, 17-4, 303, 304, 316, 410 and 416, our stock lengths can be customized for your applications by sawing, punching, drilling, milling, welding, and bending. Finishes include commercial quality (unpainted) and galvanised. A bright chrome-like appearance achieved by immersion in chemicals that clean and “polish” the base metal. Daftar Harga Grating Steel Terbaru; November 2023; Harga Plat Grating Steel Galvanis Serrated Bergerigi / Non Serrated 4. P. With approximately 35% open area, fluids and ice easily pass through the grating. There are many materials to choose from, like aluminum,. Treads are manufactured with a defined visible nosing and pre-punched end carrier plates or angles, ready for bolting or welding to. Our Address: 8224 Goldmine Ave Fontana, California 92335 Phone: (909) 854-2489 Fax: (909) 854-2490 Email: rocky@goldenstategrating. Product Spacing (e. Welded steel grating is joined at the intersection of the bearing bars and cross bars. 5mm round bar. Need help? Call (800) 321-4314. With a large percentage of open area, bar grating requires little. In this type grating, both the flats will be intersected to each other and perpendicular to each other. Largest selection of fabricated, ready to ship trench and drain grating sizes at wholesale prices. Grating Pacific, Inc provides excellent metal and fiberglass expertise across the state Arizona. Pattern-wise, the materials come in a normal, interrupted, carrier bar, or carrier bar with crossbar shapes. Bar gratings are made of bearing bars and cross bars. Diamond pattern(s): From 1/4”-#20 up to 7. For Cut-To-Size or if you are looking for an item not listed, please fill out our Fast Quote Form or call 800-472-8464. Commercial Quality. Available in welded and swage-locked constructions with plain or serrated work surfaces and a variety of bar sizes and. Height Transitions - In order to allow for. Shop Stainless Steel Bar Grating at Brown-Campbell. A. com (888)499-8494. Need help? Call (800) 321-4314. Marco Specialty Steel has been providing fast, reliable, high-quality steel and aluminum solutions including industrial bar grating since 1992. MBG 533 - Welding Specification for Fabrication of Steel, Aluminum and Stainless Steel Bar Grating. Bar grating is designed to hold heavy loads with minimal weight. Manufactured from alloy types 304, 304L, 316 or 316L, stainless steel bar grating is rugged, long-lasting and designed to withstand severely corrosive and high-moisture environments. Carbon steel products are available bare (no finish), painted with manufacturers standard paint, or hot dip galvanized. It. Uniform load U=100psf. cold-rolled steel, aluminum, stainless steel and more since 2002. Nosing is textured for traction. 35、38、40、50、60、80、90mm, of which 25、30、. Gratings are designed to carry loads that have minimal dead weight. SAFEGRID. Engineers and designers work to develop metal grating solutions that exactly fit the parameters of a structure. Marco Specialty Steel, located in Houston Texas, has been providing fast, cost-effective custom metal fabrication solutions since 1992. 101. Select Size 12. Commercial customers may request credit terms. Press-Locked | Metals (Aluminum, Carbon Steel, Galvanized Steel, & Stainless Steel) Load Tables. For nearly a century, metal bar grating has been the predominant choice for open metal flooring. Serrated Bars: For serrated grating, the depth 0t grating required for a specified load is 1/4" deeper than that shown in the table. G-Clip model YSSGG is a 316 stainless steel grating fastener used to fasten 1-1/2″ square mesh fiberglass grating to structural shapes where the structural flange is in a horizontal plane. Other. Download Credit Application Form. WELDED BAR GRATING. No minimum order size. Channel. Common material types include Aluminum, Carbon Steel, Powder Coated Carbon Steel, Galvanized Steel, and Stainless Steel. com. 237. Hallweld Gratings has a range of grating patterns available in stainless steel. Choose from our selection of metal bar grating, fiberglass bar grating, narrow-opening metal bar grating, and more. Surfaces can also be smooth or serrated, which provides additional traction. Wire Cloth Products – Wire Mesh. Open. Their platform is a testament to. 7SGSS4 Light Duty Stainless Steel Swaged Bar Grating is a pressure locked type grating made by the swaging process used for pedestrian traffic only and is ADA approved; made per order. Our range of Safegrid open grid flooring is available in plain. 237. That’s where we come in, call us to inquire about our offerings. 3. Mon - Fri: 8:00 AM - 5:00 PM. The recommended minimum weld pattern to the right also indicates the minimum fastener spacing for pedestrian applications. Fabrication Services. Steel Plates, Shapes, and Bars: ASTM A 36/A 36M. TYPES OF STEEL BAR GRATING. Surface. STAINLESS-BAR-GRATING-SPACINGS. McNICHOLS® carries Standard-Duty Welded Bar Grating, Carbon Steel, Hot Rolled - Powder Coated Gray, GW 100A Smooth, Welded Construction, 1" x 1/8" Bearing Bars, 1-3/16" on Center, Regular Cross Bars 4" on Center, 19W4 Spacing. Stainless steel gratings are mostly used in the food processing applications, shipboard use, Engine decks, or highly corrosive environments such as marine & offshore, Oil & gas, sewage treatment plants and Dry-docks, etc. Stainless Steel Bar Grating Products. Items available for immediate shipment are listed below. Stainless Steel Bar Grating. If you are not sure which of our products best fit your industrial metal or fiberglass needs, we can help. The most common materials used are stainless steel and aluminum. Stainless steel grating stair treads are available fabricated to any size in type “WS” welded and type “DTS” dovetail pressure locked. Steel Plates, Shapes, and Bars: ASTM A 36/A 36M. Bearing Bar Height: 3/4″ to 2-1/2″ tall (in 1/4″ increments) Bearing Bar Thickness: 3/16″ (typical) and 1/4″ upon request. AMICO provides grating and fabricated assemblies worldwide. Perforated Metal, Expanded. In addition, stainless steel is hygienic,. Metal bar grating for bridge decking has some very specific advantages. This bar grating has a surface that's flat, smooth, easy to clean, and install. Listening to your feedback and understanding the importance of. 3/16 x 1-1/2" - 19SW4 SMOOTH - 3Ft Wide. 8 Results. Bearing bar grating, also know as welded steel bar grating, the most strong and durable metal grating products. Bedec is Singapore's leading supplier of high-quality Steel Grating, Mild Stainless Steel Steel Grating grating and Steel Grating Singapore are a strong choice for projects ranging from trenches and stair treads to decking and steel flooring. The cross rods can be attached to the bearing bars in a variety of ways, including welded, welded with filler bars, press-locked, swaged, flush top, and I-bar. Various meshes in 24″ and 36″ widths and 20′ and 24′ lengths. Combining unmatched rust. The frames of our crossovers are made from rugged roll-formed tubular carbon steel and 304 stainless. Abrading & Polishing;. From inquiry to installation, we pride ourselves in Forging Partnerships™ and creating products that last. Hexagon Bar. 11-W-2 Stainless Steel Light-Duty Bar Grating 100-11 Serrated (1" Depth) 11-W-2 Carbon Steel Light-Duty Bar Grating 100-11 Smooth (1" Depth) Bar grating is ideal for industrial steel grating flooring and metal grates. STEEL / STAINLESS STEEL WELDED* Bearing Bars Minimum Cross Bar Size Thickness Depth Section Area Weight in. Press-locked grating is a series of vertically positioned metal bars joined to perpendicular cross bars at specified intervals, which creates a load-bearing panel with a smooth appearance. 3003. G-Clip Model WSSGG is a 316-stainless steel grating fastener used to fasten bar grating to metal or other structural shapes, where the structural flange is in a horizontal plane. Specifications: 19W4, Carbon Steel, Painted Primer Black. 15W2 is. It is available in primarily 304, but also 316 grades of. We also supply a. Standard Expanded Metal. In the case of channel grating, the steel or aluminum is first cold formed into the shape of a channel. Popular for highly corrosive environments and long-lasting architectural applications, stainless steel bar gratings are available with bearing bar spacing ranging from 19/16″. For Drainage Opening . 12-R-3. Sisk Gratings, Inc. Metal Bar Grating Engineering Design Manual. long term. The support bars are made of 3/8” square stock, as well. Cross bar pitches may be 30-100mm, of which 50mm, 76mm. Bar Grating products; Stainless Steel Gratings; Main Markets. 25” max. Manufactured from alloy types 304, 304L, 316, or 316L, stainless steel bar grating is rugged, long-lasting, and designed to withstand severely corrosive and high-moisture environments. Stainless steel is a ferrous, steel alloy with increased corrosion resistance compared to carbon/alloy steel. Afterward, cross bar selection takes. Previous Next Grating SLIPNOT slip resistant grating is an excellent selection for non-slip flooring applications on mezzanines, platforms, catwalks, or other wet or potentially oily environments. Recognizable by 1st size dimension larger than 2nd size dimension. com Office: (713) 688-8588 Bar grating mezzanines are a great solution when you need extra space but don’t have more square footage in your facility. 19SGSS4 Light Duty Stainless Steel Swaged Bar Grating is available in bearing. Call us at (800) 200-3047 for more information and a bar grating quote. Producing and distributing through a national distribution chain of steel service centers. 1-3/16in. comMcNICHOLS® Bar GratingHeavy-Duty Welded, Rectangular Bar, GHB-150, 19-W-4 Spacing, Carbon Steel, Hot Rolled, 1-1/2" x 1/4" Rectangular Bar, Smooth Surface, 73% Open Area. Secure grating to your support structure. Buy bar grating Trench Grates and Drain Covers online at America's Metal Superstore. In stock and ready to ship. For applications demanding stainless steel footwalks, the stainless steel swagged grating, also known as swage locked bar crating, proves an excellent choice. They are available in different material grades and are strong, durable, and resist. Maximum recommended clip spacing is 48 inches on center with a minimum of four (4. Alro's processing. To specify welded steel grating, first specify the TYPE of grating from the table below. Standard Expanded Metal is a finished product as it comes from the press after having been die cut and expanded. Electro-Polished. Material - MS ,. Or contact your closest store for assistance with metal sourcing. 6: 4. per sq. capabilities of stainless steel under these special. Quick Links:Indiana Gratings is proud to be your first choice for H-10, H-15 and H-20 steel grating. McNICHOLS ® Standard-Duty Welded Bar Grating Stair Treads consist of rectangular-shaped bearing bars (smooth or serrated), Carrier Plates and Nosing. Other stainless steel tops are available for use with the SSGG grip-jaw, to be used on popular. Overview. Call us today (713)-649-5310. Our inventory includes: stainless steel, structural steel, mild steel, galvanized steel, aluminium, brass, bronze and copper. Grating Patterns: Press-lock type, pass-through type. Sheet sizes: 4’x 8’, 4’ x 10’, 5’ x 10’ and 6’ x 10’. The result is a product with a one-piece construction that complies with the requirements of AS1657. Our most common bar grating is manufactured in either carbon steel or stainless steel at IKG’s state-of-the-art manufacturing centers on specialized automatic. Style B bridge two bearing bars. We carry a multitude of metal types including hot-rolled steel, cold-rolled steel, tool steel. 125" x 36". 5mm, thickness 0. One-piece plank construction is also available. Features that make bar grating the preferred product include: Available in steel, aluminum, or stainless steel. Clips can be used to attach grating or plate to the supporting structure or fasten adjacent grating panels to minimize load induced differential deflection. Style: Ht. Expanded Metal Grating Size: 2# 3#. Welded bar grating is the most common type of bar grating. Vietnam, USA, and European countries. McNICHOLS® Bar Grating, Standard-Duty Welded, Rectangular Bar, GW-100, 19-W-4 Spacing, Stainless Steel, Type 304, Mill Finish, 1" Height x 3/16" Thick Rectangular Bearing Bars, Spaced 1-3/16" on Center with 1" Clear Space Between Bearing Bars, Serrated Surface, Bearing Bars Run Parallel to Length of Panel, Cross Bars Spaced 4" on Center, 77%. Sisk Gratings, Inc. Our hot rolled and cold rolled steel is available in a wide range of shapes including: bars, rods, universal beams, universal columns, pipes, hollow sections, channels, sheets and plates. we supply an extensive range of metals for various applications. Ctr to Ctr of Bearing Bars. Size (s): 48" x 120". Direct Metals ® stock stainless steel bar grating T304 stainless steel, is an industrial grade used for. (no drilling required) Type T Hold. Bldg. As the most frequently used material in the metal bar grating industry, carbon steel can withstand significant force without warping, buckling or bending. Commercial Quality. Please inquire. Email: sales@siskgratings. Stainless steel treads have better corrosion resistance than steel or aluminum. Stainless and Aluminum expanded metal also. 5:. Fits Stainless Steel Bar Grating with Rectangular Bearing Bars, Spaced 1-3/16" on Center: Weight 0. Used in many architectural, commercial, and industrial applications, Grating Pacific’s durable, safe, and slip resistant stair treads are available in many styles. Any: 5/16 " 1 3/16 " Any: 1/2 " 3/8 " 9/32 " No: 10: 0000000: 00000: Fasteners for Fiberglass Bar Grating . Stainless Steel ASTM A666 Type 304L 113. C, Suite 312 Glen Ellyn, IL 60137 (630) 942-6591 phone (630) 790-3095 fax info@naamm. 6 mm. Cross bars are welded, forged or. 1. It also provides great support and durability. com Maximum panel width dimensions are measured from outside to outside of bearing bars. Specially shaped top assembly is designed to fit 2" square mesh. 125 Inch Channel Depth (CS)Architectural bar grating is a strong choice for projects ranging from: Architectural bar grating can be used for many applications including sunshades, railing infill panels, water fountain features, and pedestrian areas. Channel. Open steel grating is one of the most commonly used steel grating, also called metal open bar grating. 1250" Thick), Checkered Plate 90° Angle Nosing, Unequal Legs (1-1/4" Leg x 1-3/4" Leg), Slip-Resistant Surface. Abrading & Polishing; Building & Grounds; Electrical & Lighting;. AMICO is the largest manufacturer of carbon steel, Stainless Steel and Aluminum grating in North America. Harga Clamp Grating C/W BOLT AND NUT SS304 stainless steel KLEM. The perforated buttons provide a walking surface that is slip resistant in all directions. Wd. Channel. The lower component connects to the underside of the structural beam, holding the grating firmly in place. Our industrial metal gratings are available as. Carbon Steel Bar Grating. Upon installation, frames serve as a. Powder Coated Carbon Steel, Galvanized Steel, and Stainless Steel. Stainless steel welded grating has been the standard industrial footwalk product for severe corrosive environments for generations. Steel & Stainless Steel > Tread Width Design Details; Tread Length Design Details; End Plate Dimensions 19W4/19P4/19S4 19SW4/19SP4/19SS4 1-3/16" Center to Center of Bearing Bar. Bar Grating. com. Bar Size Nominal Weight (psf)** Recommended Max. Both in Smooth or serrated surface. conditions make it an economical selection over the. ADA-compliant grating is a panel of vertically positioned metal bars joined to perpendicular cross bars that meets Americans With Disabilities Act requirements, creating a safe and accessible surface for those with disabilities. McNICHOLS® carries Standard-Duty Welded Bar Grating, Galvanized Steel, Hot Dipped, GW 125A Smooth, Welded Construction, 1-1/4" x 1/8" Bearing Bars, 1-3/16" on Center, Regular Cross. Package quantity: 100 sets. Visit our 6,000 sq. Each of our nine service centers stocks an extensive inventory offering Same Day. For Bearing Bar . Detailing. Galvanized Steel . 4mmStainless Steel Grating. All products are available with bearing bar spacing ranging from 19/16” (1-3/16”) to 7/16” on center and. leading manufacturer and supplier of Stainless Steel Gratings in UAE & Kuwait. Choose from our selection of stainless steel grating in a wide range of styles and sizes. Standard Aluminium Grating Panel. (Deflection ≤ . Bar grating is a series of bearing bars joined to perpendicular cross bars at various intervals to form a load-bearing panel. In June 1970, David Bartley Sr. Bar Grating is a rugged, high-performance, low-maintenance, and slip-resistant product capable of handling pedestrian or vehicular loads. 1398 Mariani Court, # 120. A bright chrome-like appearance achieved by immersion in chemicals that clean and “polish” the base metal. Choose from our selection of metal bar grating, narrow-opening metal bar grating, metal bar grating stair treads, and more. No-Ledge™ Galvanized Driveway Drain Grate, Stock Size - 1" x 24" x 24". Bearing Bars WEIGHT IN LBS. $195. 000. Bearing bar pitch 30. Our industrial grating products are built with worker and maintenance personnel safety in mind. W19-4. Brown-Campbell offers a variety of stainless steel grating to choose from for all your construction and flooring needs. Marco Specialty Steel has in-stock custom industrial steel, metal & FRP products. Stainless Steel 316 Serrated Grating. Stainless Steel. 2. We offer two varieties: Strong Series (heavy-duty, highest load-bearing). Load Bar Top SurfaceEmbed frames, cast into concrete floors and substructures, form a rigid shield for concrete lead edges and perimeters that are subject to cracking and chipping when unprotected. Load Table; Panel Width Chart; Span Table; Download / Print High Resolution PDF. Brown-Campbell Company. LOAD TABLE FOR STAINLESS STEEL GRATING - TYPE W-19 OR P-19 ALLOYS 304, 316 & 304L, 316L F=138MPa, E=139,000MPa Recommended max. The grating is available in Plain or Serrated surfaces, with cross bar spacing at 2" or 4" on center and bearing bar spacing ranging from 19/16" to 7/16" on center. We are available 24/7. 19W4/19W2 Carbon Heavy Duty Bar Grating 1-3/16" Center to Center of Bearing Bars. Welded bar grating is the most common type of bar grating. Cross bar pitch 101. Our hot rolled and cold rolled steel is available in a wide range of shapes. Select type of grating. Since that time, our goal has been to provide the best, most customer-focused services, regardless of the project’s size or scope. Channel. Carbon Steel Heavy Duty Bar Grating is usually provided with bare steel (no finish), painted with one coat of IG EcoCoat™, or hot dip galvanized in accordance with ASTM A-123. Wide range of materials available: carbon steel, aluminum. Welded steel grating is made of carbon steel or stainless steel. Length. Gratings are available in Standard series for pedestrian loads or Heavy Duty series for vehicular traffic. 72''. Stainless Steel - 19SW4; Stair Treads; Anchoring Devices. STEEL / STAINLESS STEEL WELDED* Bearing Bars Minimum Cross Bar Size Thickness Depth Section Area Weight in. 35 and 40mm are recommended. Bar Thickness: 1/8 in , 3/16 in.