Detailed Product Description

ISO 9001-2000 Grating floor , grating walkway , grating platform are used in various plants at home and abroad.

Ningbo Lihong Steel Grating Co.,Ltd is a leading professional manufacturer & exporter of steel grating (bar grating) with the  capacity of over 40, 000 tons per year.

We produce three kinds of steel gratings, that are Plain Style Steel Grating, Serrated Style Steel Grating and I Bar Type Steel Grating. They are widely used in steel structure platforms, stair treads, sidewalks, drainages and well 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;the specification of I-section type is 25 x 5 x 3, 32 x 5 x 3, 38 x 5 x 3, 40 x 5 x 3, 50 x 5 x 3, 50 x 7 x 4, 55 x 7 x 4, 60 x 7 x 4, 65 x 7 x 4, 70 x 7 x 4, 75 x 7 x 4, etc.
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