Stair tread bar grating is a great choice for many industrial flooring applications. Smooth or serrated surfaces are available depending on your project needs for stair tread bar grating.

We produce three kinds of steel gratings: Plain Style, Serrated Style and I Bar Type. They are widely used in steel structure platforms, stair treads, sidewalks, drainages covers etc. We can design and manufacture standard steel grating and in customized shapes per client's requirements.

Description:
1) Bearing Bar (Load Bar) Specifications (mm):
The specification of plain type and serrated type bearing bar is 20 x 3 to 100 x 6;
2) Bearing Bar Pitch (center to center):
12.5, 15, 30, 34, 40, 60mm 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):
38, 50, 76, 1001 101.6mm etc, also be according to client's requirement and 50, 100mm are recommended, America standard is available.
4) Material:
Mild Steel (Low Carbon Steel) or Stainless Steel
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
7) Package: Packed by flat bar