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):
15, 30, 40, 60, 80, 90mm etc, or according to client's request and 30, 40, 60mm are recommended, America standard is available.
3) Cross Bar Pitch (center to center):
30, 38, 50, 76, 100mm etc, or according to client's request and 50, 100mm are recommended, America standard is available.

4)Surface Treatment:

G Hot dip galvanized

P Painted

U Untreated

5)Steel grating standards:
A) China: YB/T4001-1998
B) USA: ANSI/NAAMM (MBG531-88)
C) UK: BS4592-1987
D) Australia: AS1657-1985