welding Stair Tread Steel Bar Grating anti-corrosion with hot dipped zinc coat

welding Stair Tread Steel Bar Grating anti-corrosion with hot dipped zinc coat

Steel bar grating is made of flat steel and bars by welding with certain distances. It goes through cutting, opening, edging and other processes. The products enjoy many features. The hot dipped zinc coating gives the product excellent anti-corrosion resistance.


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Description:

Such as steel mill black and hot dip Galvanizing and stainless steel bar grating flooring walkway, platform and steel structures, stair tread, well cover, trench cover, compound gratings, storage shelves, ladder, fences and handrail so on for construction project, oil project, seaport, power plant, water plant, defense project, chemical factory and so on.


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Applications:

They are widely used in steel structure platforms, stair treads, sidewalks, corridor, bridge, well covers, stairs, fencing for petroleum, chemical, power plant, waste treatment plant, civil engineering projects and environmental projects. drainages and well covers etc. We also supply standard steel grating and in customized shapes per client\'s requirements





Specifications:

1.Bearing Bar (Load Bar) Specifications (mm):
The specification of plain type and serrated type bearing bar is 20 x 3 to 100 x 10;
2. Bearing Bar Pitch (center to center):
12.5, 15, 25, 30, 30.16, 32.5, 34, 40, 41.25, 45, 50, 60, 60.32, 80, 100 mm etc, also be according to client\'s requirement but 30, 40, 60mm are recommended.
America standard is available <1\'\' x 3/16\'\', 1 1/4\'\' x 3/16\'\', 1-1/2\'\' x 3/16\'\', 1\'\' x 1/4\'\', 1-1/4\'\' x 1/4\'\', 1 1/2\'\' x 1/4\'\'(19-w-4) and so on.>
3. Cross Bar Pitch (center to center): 38, 50, 76, 100, 101.6mm etc, also be according to client\'s requirement and 50, 100mm are recommended, America standard is available.

4) Material: Carbon Steel (Low Carbon Steel ASTM A36 or Q235) ,Stainless Steel 304 or 316

5) Surface Treatment: Untreated, Painting or Hot dip Galvanizing

6) Steel grating standards: A) China: YB/T4001-1998 B) USA: ANSI/NAAMM (MBG531-88) C) UK: BS4592-1987 D) Australia: AS1657-1985 E) Japan: JJS.