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 |
Our progress
1. Show us your ideas about the project,drawings or pictures of your construction site will be very helpful for us to give you reasonable suggestions.
2. After we confirmed the material and necessary size of the construction site,we will give you the quotation with details description by email.
3. After you placed the order we will email you the formal shop drawings and packing list for your confirmation, we will start to manufacture when you confirmed everything is what you want.
4. When you received the goods, we will follow you online and provide you with online installation instructions.