1. Steel Grating
1. Type: Plain, Serrated, "I", Press-Locked
2. FB405/30/100,
3. Surface: Untreatment, Galvanized, Painted...

2. Material Specification:
Mild Steel: ASTM A36, BS4360, JIS G3101 & SS400

3. Specification of Steel Grating:
Item No.  Bearing Bar Pitch  Cross Bar Pitch  Specification of bearing bar load(width× Thickness )
     20× 3  25× 3  32× 3  40× 3  20× 5  25× 5  
1  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  
2  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  
3  60  50    G253/60/50  G253/60/50  G403/60/50  G205/60/50  G255/60/50  

4, Type: 1)Plain Type
2)Serrated Type
3)Flat Bar with type "I"

5, Surface Treatment: 1)Hot-dipped Galvanized
2)Painted
3)Untreatment/Un-Galvanized