1. Signs of Material:
M---Mild Steel
S---Stainless Steel Grade 316
S1---Stainless Steel Grade 304
A---Aluminium 6063-T6
2. Signs of the shape of bearing bars:
F---Plain styleS---Serrated style
I---I-section style
3. Signs of surface treatment
G---Hot galvanized ( it is recommended)P---PaintedU---Untreated
Specification of steel grating | |||
No. | Item | Description | |
1 | bearing bar | 20 x 5, 25 x 3, 30 x 3, 30 x 5, 32 x 3, 32 x 5, etc. | |
2 | bearing bar pitch | 15mm, 25mm, 30mm, 40mm, 50mm, or as customers' requirement | |
3 | cross bar | 5 x 5, 6 x 6 (twisted bar or round bar) | |
4 | cross bar pitch | 40mm, 50mm, 60mm, 100mm, or as customers' requirement | |
5 | flat bar type | plain, serrated (tooth-like), I bar (I-section), serrated I-shape bar | |
6 | surface treatment | untreated, hot dip galvanized,powder coated, and electro polished, etc. | |
7 | steel grating standards | China: YB/T4001.1-2007; US: ANSI/NAAMM(MBG531-88); UK: BS4592-1987 | |
8 | steel product standard | China: GB700-88; US: ASTM(A36); UK: 43A | |
9 | hot galvanized standard | China: GB/T13912; US: ASTM(A123); UK: BS729 | |
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