No |
Item |
Description |
1 |
Bearing bar |
20X5, 25X3, 25X4, 25X5, 30X3, 30X4, 30X5, 32X3, 32X5, 40X5, 50X4...75X8mm, etc. |
2 |
Bearing bar pitch |
20, 25, 30, 32.5, 34.3, 40, 50, 60, 62, 65mm, etc. |
3 |
Cross bar |
5X5, 6X6, 8X8mm (twisted bar or round bar) |
4 |
Cross bar pitch |
40, 50, 60, 65, 76, 100, 101.6, 120, 130mm or as customers' requirement. |
5 |
Surface treatment |
Untreated, hot DIP galvanized, cold DIP galvanized, painted, powder coated, or as customers' requirement. |
6 |
Flat bar type |
Plain, Serrated (tooth-like), I bar (I section) |
7 |
Material standard |
Mild carbon steel (CN: Q235, US: A36, UK: 43A) |
8 |
Galvanization standard |
CN: GB/T13912, US: ASTM (A123), UK: BS729 |
9 |
Steel grating standards |
A. China: YB/T4001-1998 |
B. USA: ANSI/NAAMM (MBG 531-88) |
C. UK: BS4592-1987 |
D. Australia: AS1657-1988 |
E: Japan: JJS |