Hebei Qijie Wire Mesh MFG Co., Ltd
Hebei Qijie Wire Mesh MFG Co., Ltd
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1, Introduce:
Steel grating is made by bearing bar and cross bar according to the flat-steel weft arrangement, in high-pressure spacing on resistance welder welded by cutting, incision, opening, overlock process such as processing and into customer requirements finished products.
2. steel grating specification- galvanized steel driveway grates grating
panel size available(black grating): 1000x5800mm or 1000x6000mm
| Bearing bar pitch | Cross bar pitch | load steel size ( Width ×Thickness) | |||||
| 20×3 | 25×3 | 32×3 | 40×3 | 20×5 | 25×5 | ||
| 30 | 100 | G203/30/100 | G253/30/100 | G323/30/100 | G403/30/100 | G205/30/100 | G255/30/100 |
| 50 | G203/30/50 | G253/30/50 | G323/30/50 | G403/30/50 | G205/30/50 | G255/30/50 | |
| 40 | 100 | G203/40/100 | G253/40/100 | G323/40/100 | G403/40/100 | G205/40/100 | G255/40/100 |
| 50 | G203/40/50 | G253/40/50 | G323/40/50 | G403/40/50 | G205/40/50 | G255/40/50 | |
| 60 | 50 | - | G253/60/50 | G253/60/50 | G403/60/50 | G205/60/50 | G255/60/50 |
| Bearing bar pitch | Cross bar pitch | load steel size (Width ×Thickness) | |||||
| 32×5 | 40×5 | 45×5 | 50×5 | 55×5 | 60×5 | ||
| 30 | 100 | G325/30/100 | G405/30/100 | G455/30/100 | G505/30/100 | G555/30/100 | G605/30/100 |
| 50 | G325/30/50 | G405/30/50 | G455/30/50 | G505/30/50 | G555/30/50 | G605/30/50 | |
| 40 | 100 | G325/40/100 | G405/40/100 | G455/40/100 | G505/40/100 | G555/40/100 | G605/40/100 |
| 50 | G325/40/50 | G405/40/50 | G455/40/50 | G505/40/50 | G555/40/50 | G605/40/50 | |
| 60 | 50 | G325/60/50 | G405/60/50 | G455/60/50 | G505/60/50 | G555/60/50 | G605/60/50 |
3. Specification of galvanized steel driveway grates grating
| Bearing bar type | Flat bar | I bar | Serrated bar | |
| Cross bar type | Twisted bar | Round bar | flat bar | |
| Production process | welded | Pressure locked | ||
| Surface treatment | Self-colour | Galvanized | painted | |
| application | Platform | walkway&floor | Trench cover | Steel stair treads |
| Suspended ceiling | Barrier fence |
bearing bar types:
serrated type,flat type,I type
4.Steel Grating Standard-- Galvanized Catwalk Steel Grating
| Steel Grating Standard | |||
| Steel Grating Standard | Steel Standard | Galvanizing Standard | |
| China Standard | YB/T 4001.1-2007 | GB700-88 | GB/T13912-2002 |
| USA Standard | ANSI/NAAMM (MBG531) | ASTM (A36) | ASTM (A123) |
| U.K. Standard | BS4592 | BS4360 (43A) | BS729 |
| Australia Standard | AS1657 | AS3679 | AS1650 |
| Deutsche Standard | DIN24537 | DIN17100-80 | DIN50976 |
