Galvanized serrated anti skid stair treads power plant chimney platform

A. Brief introduction of the steel grating plate/ steel grating stairs

Materials of the steel grating plate: Carbon steel grating plate and Stainless steel grating plate.
Types of the steel plate/ steel grating stairs:
1. Plane form steel grating plate;
2. Serrated style steel grating plate;
3. I shaped type steel grating plate. According to the surface shape of the load flat steel of the steel grating.
Welding Pattern: Pressure welding type, Embedded welding type, wear and wear welding and lock type.
According to the application of the steel grating plate, it can be divided into General Purpose steel grating, and Special Purpose steel grating such as the trench cover steel lattice panels and step steel grid plates.

B. Specifications of the steel grating plate/ steel grating stairs

1) Bearing Bar (Load Bar) Specifications (mm):
The bearing bar specification of plane type and serrated type steel grating plate is 20X3 to 100X10;
The bearing bar specification of I-section type steel grating plate is 25X5X3, 32X5X3, 38X5X3, 40X5X3, 50X5X3, 50X7X4, 55X7X4, 60X7X4, 65X7X4, 70X7X4, 75X7X4, etc.

2) Bearing Bar Pitch Specifications (center to center):
Usually, 30, 40, 60mm are produced, and other specs like 12.5, 15, 25, 30, 30.16, 32.5, 34, 40, 41.25, 45, 50, 60, 60.32, 80, 100 mm is available. Other specs also can be made according to your requirements.
In addition, 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), (19-w-2) and so on. >

3) Cross Bar Pitch (center to center):
Generally, 50, 100mm are made, and other specs as 38, 50, 76, 100, 101.6mm is also available. America standard is also available. Or be custom made as your requirements.

4) Material:
Mild Steel (Low Carbon Steel) or Stainless Steel

5) Surface Treatment:
Hot-DIP galvanized, Cold galvanized, Electrogalvanized, Painting, DIP anti-rust oil, PVC, or Untreated.

6) Standards of steel grating plate/ steel grating stairs:
a. China: YB/T4001-1998
b. USA: ANSI/NAAMM (MBG531-88)
c. UK: BS4592-1987
d. Australia: AS1657-1985

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