1.what is steel grating ?( galvanized catwalk steel bar grate) -- Steel grating is carrying bearing bar and cross bars were staggered according to a certain distance, which is welded into an intermediate metal products with a square lattice; steel grid moderators do use steel grating platform, trench cover, steel stair treads, ceiling and other buildings. After crossbar generally use twisted square bar, may also be round or flat bar, carbon steel and stainless steel material
2.steel grating specification- galvanized catwalk steel bar grate
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. metal grid plate introduction-- galvanized catwalk steel bar grate
Bearing bar type | Flat bar | I bar | Serrated bar |
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Cross bar type | Twisted bar | Round bar | flat bar |
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Production process | welded | Pressure locked |
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Surface treatment | Self-colour | Galvanized | painted |
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application | Platform | walkway&floor | Trench cover | Steel stair treads |
| Suspended ceiling | Barrier fence |
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4.steel grating standard-- galvanized catwalk steel bar grate
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 |
5.our company parts
6.our company activity
7.foreign customers visit our factory
8. steel decking grating application
workshop suspended roof
port platform floor grating
waste water treatment floor grating
industrial platform grating
barrier fence grating (agricultral barrier,balcony,yard wall fence)
car washing station trench cover--scupper drain grating
trench cover grating
steel stair treads grating