Detailed Product Description

 Professional Manufacture and supply 

G.I.Grating,

painted steel grating,

painted grating,

zinc steel grating,

zinc grating

We are a leading professional manufacturer of high quality steel grating for construction project at competitive price, located in Ningbonear to Shanghaiof China. Ningbo Lihong Steel Grating Co.,Ltd has approved ISO9001-2000 Quanlity Management System in 1998.  60% of products is exported to the worldwide with perfect quality.There are many regular grating customers in USA, MiddleEast, AUS, Europe and Southeast so on.

Mobile:008613757445098, TEL:008657488073967, Fax: 008657488073962, Contact person: David Huang.

We design and manufacture many kinds of steel gratings, they are Plain Style Steel Grating, Serrated Style Steel Grating, I Bar Type Steel Grating and other gratings. They are widely used in steel structure platforms, stair treads, sidewalks, drainages and well covers etc. We also supply standard steel grating and in customized shapes per client's requirements.

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:
Mild 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.