Bar Grating

Specifications

material: low carbon steel

bear bar spacing:30mm40mm60mm

cross bar spacing:50mm100mm

thickness:3mm5m

Hot DIP galvanized steel grid

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 mmetc, 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

6) Steel grating standards:

A)China: YB/T4001-1998

B)USA: ANSI/NAAMM
(MBG531-88)

C)UK: BS4592-1987

D)Australia:
AS1657-1985