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 |
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 |