Stair tread Steel Grating
1.Light weight
2.High strength
3.Heavy loading
4.Easy to install and clean

Stair tread Steel Grating

Products Description:

1) Bearing Bar (Load Bar) Specifications (mm):

The specification of plain type, serrated type and I type bearing bar is 20 x 5 to 100 x 10.

2) Bearing Bar Pitch (center to center):

12.5 to 100 mm etc, also be according to client's requirement and 30, 40, 60mm are recommended, America standard is available.

3) Cross Bar Pitch (center to center):

from18.5 to 101.6mm etc, also be according to client's requirement and 50, 100mm are recommended, America standard is available.

4) Material:

Q235A or Stainless Steel

5) Surface Treatment:

Untreated, Painting or Hot Dipped Galvanizing

6) Steel Grating Standards:

A) China: YB/T4001-1998

B) U.S.A.: ANSI/NAAMM (MBG531-88)

C) U.K.: BS4592-1995

D) Australia: AS1657-1992

7) Hot Dipped Galvanizing Standards:

A) China: GB/T13912-92

B) U.S.A.:ASTM A123

C)U.K : BS729

D)Austrilia:AS1650