Steel grating stairs are known as welded steel bar grating stairs, the most strong and durable metal grating products. They are made from the mild carbon steel or stainless steel. GNEE provide a full solutions of steel bar grating, press locked grating, heavy duty grating, steel stair treads, plank gratings, safety grating, trench cover etc.
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 |
Delivery
1). Package: In pallet or seaworthy package
2). Payment term: 100% T/T, or 30% T/T deposit, and also L/C is acceptable
3). Our grating machines number: 30, about 4 big machines
4). Our daily supply ability: 500 to 1000 square meters
Usage
5). Used as platform, trench cover, building, transportations and so on.