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Types Of Steel Grate Stairs Traffic

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  • Maximum Stair Tread spans (lengths) are based on a concentrated load of 300 lbs. on the front five inches of the span at the center. Stair Tread span measurements are based on 3/16" thick rectangular bearing bars and 1/4" thick I-Bar bearing bars. Standard bearing bar spacing (from center to center of bearing bars) is 1-3/16". /For serrated grating, the depth of grating required for a specied load is 1/4” greater than in the chart. U= Uniform load, Psf C= Concentrated load at (mid-span), LB per foot of grating width In order to obtain the permissible loading capacity for each type of grating, multiply its assigned value times the value on the table. 22W4 Y 22W2 0.85 It is important to seal limestone to prevent staining. 6. Steel Treads. Metal stair treads are strong and offer a rustic industrial styling. Steel treads pair beautifully with open beam architecture and are often preferred on spiral staircases. With metal treads, it is important to provide some sort of slip protection. Welded steel grating is made by electrically fusing steel cross bars to steel load bars. An economical product, welded steel gratings are suitable for walkways, platforms, catwalks, stair treads, mezzanine decking, security screens and general industrial and commercial purposes. Welded grating is produced in carbon and stainless steel alloys Stair Tread Bar Grating. Bar Grating Stair Treads are ideal for many different applications. We have designed 8 types of steel gratings and a4 types of fastening clips. If the existing products fail to reach your requirements, customization service is available. Type “SGF” Swaged Flush-Top Aluminum Grating. Manufactured with a unique, extruded cross bar that is flush with the top surface of the bearing bars, type SGF aluminum grating provides an enhanced walking surface for areas subject to continuous pedestrian traffic. Available in rectangular bar with plain or serrated surfaces, type SGF

  • Types of Grating Welded steel grating is made by electrically

    Types of Grating Welded steel grating is made by electrically fusing steel cross bars to steel load bars. An economical product, welded steel gratings are suitable for walkways, platforms, catwalks, stair treads, mezzanine decking, security screens and general industrial and commercial purposes. Welded grating is produced;· Grating type: (a) Standard duty or (b) Heavy duty bar grating · Grating spacing: Example, type X-Y as Xis bearing bar spacing and Y is cross rod spacing · Grating bar size · Grating top surface: (a) Serrated top or (b) Plain top · Cross bar diameter · Finish: Unpainted, shop primer, or galvanized steel. Carbon steel is the most common material used to design metal stairs. It is cost-effective, extremely strong and durable to support complex stair designs, and can be finished with many types of coatings. Lapeyre Stair specializes in designing commercial steel stairs and industrial prefab steel stairs. Steel Stair Treads are a time and cost saving alternative that simplifies your stair and catwalk or mezzanine platform project.Stair treads and bar grating or grip strut walkways are commonly installed for industrial, commercial and architectural stairway steps and platforms allowing for easy access to machinery, equipment, tanks, storage areas, etc. Available in smooth or serrated surfaces Pressure locked grating is among the most versatile types of metal grating because as it offers a wide variety of bar spacings. Pressure locked grating is the grating of choice for architectural applications, including close mesh grating for ADA applications, for high traffic public pedestrian areas, decorative facades and ornamental grilles. 4. Provide flat sheet steel risers for stairs with steel plate treads where shown. C. Treads and platforms of steel grating: 1. Fabricate steel grating treads and platforms in accordance with requirements of NAAMM Metal Bar Grating Manuals. 2. Provide end banding bars, except where carrier angle are used at tread ends. 3. Industrial strength welded carbon steel metal stair treads increase safety and stand up to high foot traffic. Great for use in industrial facilities or outdoor sites where slippery conditions occasionally exist. Helps provide protection against slips in areas prone to oil or other hazardous elements.

  • steel grating for stair, steel grating for stair Suppliers

    9,898 steel grating for stair products are offered for sale by suppliers on Alibaba.com, of which metal building materials accounts for 74%, other fiberglass products accounts for 1%. A wide variety of steel grating for stair options are available to you, such as graphic design, others, and 3d model design.;Heavy-Duty Welded Steel Grating 4 Laurel Steel built its business and its reputation manufacturing heavy-duty steel bar grating, which remains its core product line. Laurel Steel manufactures hand-welded heavy-duty grating, which is by far the most efficient process, as it provides job-shop versatility without sacrificing economy. We offer Deck Span® Safety Grating in standard channels, walkways, and stair treads. Our Deck Span® Safety Grating standard channels are available in the following sizes and materials: —Pre-galvanized or HRP&O steel. —14- and 12-gauge steel. —.080-inch and .100-inch 5052-H32 aluminum. —16-gauge stainless steel 304-2B. Bar Grating is a rugged, high-performance, low-maintenance and slip-resistant product capable of handling pedestrian or vehicular loads. Common material types include Aluminum, Carbon Steel, Powder Coated Carbon Steel, Galvanized Steel and Stainless Steel. Specifications of steel grating for stair treads. Steel grating type: welded steel grating and press bar grating. Bearing bar type: flat bar and I bar. Bearing bar pitch: 20 mm, 30 mm or 40 mm. Cross bar pitch: 50 mm or 100 mm. Nosing type: checker plate, strip plate and hole plate. Surface treatment: galvanized or anti-corrosion painted. Bar Grating is a rugged, high-performance, low-maintenance and slip-resistant product capable of handling pedestrian or vehicular loads. Common material types include Aluminum, Carbon Steel, Powder Coated Carbon Steel, Galvanized Steel and Stainless Steel. Steel Stair Treads are a time and cost saving alternative that simplifies your stair and catwalk or mezzanine platform project.Stair treads and bar grating or grip strut walkways are commonly installed for industrial, commercial and architectural stairway steps and platforms allowing for easy access to machinery, equipment, tanks, storage areas, etc. Available in smooth or serrated surfaces

  • Heavy Duty Steel Bar Grating

    Bar Grating is a rugged, high-performance, low-maintenance and slip-resistant product capable of handling pedestrian or vehicular loads. Common material types include Aluminum, Carbon Steel, Powder Coated Carbon Steel, Galvanized Steel and Stainless Steel.