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) Material: Mild Steel (Low Carbon Steel) or Stainless Steel
5) Shape of bearing bars:
F Plain style
S Serrated style
I I section style 6) Surface Treatment:
G Hot dip galvanized
P Painted
U Untreated
7) Steel grating standards:
A) China: YB/T4001-1998
B) USA: ANSI/NAAMM (MBG531-88)
C) UK: BS4592-1987
D) Australia: AS1657-1985
Other international standards are also available if required.
8) Certificate:
ISO9001: 2001
ISO14001: 2001