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Steel grating is a kind of open steel member with its bearing bars & cross bars jointing at their intersections either by welding or by locking.
Plain bar grating specifications:
No | Item | Description |
1 | Bearing bar | 25x3,25x4,30x3,30x4,30x5,32x5,40x5,50x5,.....75x10mm |
2 | Bear bar pitch | 12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 34.3, 35, 40,41,60mm. US standard: 1"x3/16", 1 1/4"x3/16", 1 1/2"x3/16", 1"x 1/4", 1 1/4"x 1/4", 1 1/2"x 1/4" etc. |
3 | Cross bar pitch | 38, 50, 76, 100, 101.6mm |
4 | Material | ASTM A36, A1011, A569, Q235 |
5 | Surface treatment | Black, hot dipped galvanising, paint or as your requirement |
6 | Standard | China: YB/T 4001.1-2007 Japan: JJS |
USA: ANSI/NAAMM(MBG531-88) | ||
UK: BS4592-1987 | ||
Australia: AS1657-1985 |
Intensity, light structure: strong grid bonding structure makes it with high load, the structure characteristics, facilitate hoisting light; Beautiful appearance, durable: hot-dip galvanized surface treatment make it fairly good corrosion resistance, the surface luster beautiful; Ventilation, lighting, heat dissipation, explosion-proof, prevent slippery properties is good; Deposition prevention dirt.
Plain steel bar grating usages:
Steel Grating is widely used in the platform, corridor, bridge, well covers, stairs, fencing for petroleum, chemical, power plant, waste treatment plant, civil engineering projects and environmental projects.