Welded Bar Grating is made of flat steel and bars by welding with certain distances. The bearing bars are automatically resistance welded at the contact point with the cross bars and, under a combination of high heat and pressure, are fused together to form a permanent joint. The cross bars provide a high degree of rigidity, yet retain a smooth flat surface for free and easy walking.
Fencing is an application of steel grating, it's easy to install, and water proof, rust proof.
Model No. |
1-1/4''×3/16'' 19W4 |
Bearing bar thickness (mm) |
3/16'' |
Bearing bar height (mm) |
1-1/4'' |
Cross bar diameter (mm) |
6 |
Bearing bar pitch/distance (mm) |
1-3/16'' |
Cross bar pitch/distance (mm) |
4'' |
Surface treatment |
galvanized |
Standard |
China: YB/T4001.1-2007
UK: BS4592-1-1995
USA: ANSI/NAAMM(MBG531-88)
Australia: AS1657-1985 |
Certificate |
ISO9001 |
common sizes of steel gratings:
Bearing bar sizes |
Thickness≥3mm, height≥20mm |
20*3,20*5,25*3,25*5,32*3,40*3mm...... |
Bearing bar pitch(mm) |
30,30.6,32.5,34,34.8,35.3,40,60mm...... |
Cross bar pitch(mm) |
38.1,50,50.8,70,75,80,100.mm..... |