high quality steel grating weight

Product Description:

high quality steel grating weight:

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,

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),(19-w-2) 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) 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

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