| 
 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  | 
| 
 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  | 
 | 
| 
 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  |