China Mild Steel or Stainless Steel Grating

Global Source China Co.,Ltd is Specialized manufacturer of all kinds of wire mesh and Security fence In Hebei, ANPING, Our company have a wealth of experience in the production and sales of wire mesh products.
Our company has the most advanced weaving equipment, strong technical force, scientific process, quality inspection system, the use of high-quality raw materials, strict quality control, product specifications complete, quality excellent, the company's main products are: Stainless steel wire mesh,Galvanized wire mesh,PVC mesh, Conveyor belt, Aluminum Alloy screening,Welded wire mesh, Concertina razor barbed wire , Chain link fence , Security fencce and so on. Product specifications complete, excellent quality, trusted by the user, and in the wire mesh market has achieved good reputation
We produce three kinds of steel gratings, they 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 .
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;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, 15,25, 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 and 30, 40, 60mm are recommended
3)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.
4) Material:
Mild Steel (Low Carbon Steel) or Stainless Steel
5) Surface Treatment:
Untreated, Painting or Hot dip Galvanizing
No.
Item
Description
1
Bearing Bar
25x3, 25x4, 25x4.5, 25x5, 30x3, 30x4, 30x4.5, 30x5, 32x5, 40x5, 50x5, 65x5, 75x6, 75x10---100x10mm etc
I bar: 25x5x3, 30x5x3, 32x5x3, 40x5x3 etc
US standard: 1''x3/16'', 1 1/4''x3/16'', 1 1/2''x3/16'', 1''x1/4'', 1 1/4''x1/4'', 1 1/2''x1/4'', 1''x1/8'', 1 1/4''x1/8'', 1 1/2''x1/8'' etc
2
Bearing Bar Pitch
12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 32.5, 34.3, 35, 38.1, 40, 41.25, 60, 80mm etc
US standard: 19-w-4, 15-w-4, 11-w-4, 19-w-2, 15-w-2 etc.
3
Twisted Cross Bar Pitch
38.1, 50, 60, 76, 80, 100, 101.6, 120mm, 2'' & 4'' etc
4
Material Grade

ASTM A36, A1011, A569, Q235, S275JR, SS304, SS400,
Mild steel & Low carbon steel, etc
5
Surface Treatment

Black, self colour, hot dip galvanized, painted, spray coating
6
Grating Style

Plain / Smooth, Serrated /teeth, I bar, serrated I bar
7
Standard
China: YB/T 4001.1-2007, USA: ANSI/NAAMM(MBG531-88),
UK: BS4592-1987, Australia: AS1657-1985,
Germany: DIN24537-1-2006, Japan :JIS