| Type | Plain / Smooth, Serrated /teeth, I bar, serrated-I bar |
| Steel flat size | 20*3,20*5,25*3,25*5,30*3,30*5,32*3,32*5,,,70*5etc. |
| Bearing bar pitch | 15,20,30,40,60mm |
| Cross bar pitch | 30,50,100mm |
| material | Low carbon steel, stainless steel, aluminum alloy |
| Surface treatment | Power coating, hot galvanized, painting,electro polished,acidized,anodized |
Material standard | China: GB 700-1998
UK: BS 4360 |
HDG standard | CHINA: GB/T13912-2002
UK: BS729
USA: ASTM A123-01 |
1.Surface Treatment of steel grating:
Hot dipped galvanizedPainting: according to the clients' requirement.No surface treatment.Electric galvanized.
2.Surface Type:
Flat type: the most widely steel grating.Serrated type: With better no-slip."I" type: On the surface, path and items not in the same flat. With the character of light weight, economic and practical.
3.Installation and fixed:
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