ERW pipes means Electric Resistance Welded Pipes.
ERW steel pipes and tubes are used. ERW steel pipes and tubes are used in various engineering purposes, fencing, scaffolding, line pipes etc.
Out Diameter | Tolerance of Pipe End | Tolerance of Pipe Body |
219.1-273.1 | +1.6mm, -0.4mm | ±0.75% |
274.0-320 | +2.4mm, -0.8mm | ±0.75% |
323.9-457 | +2.4mm, -0.8mm | ±0.75% |
508 | +2.4mm, -0.8mm | ±0.75% |
559-610 | +2.4mm, -0.8mm | ±0.75% |
Grade | Out Diameter | Wall Thickness |
/ | 219.1-457 | +15%, -12.5% |
B | 508-610 | +17.5%, -12.5% |
X42-X80 | 508-610 | +19.5%, -8% |
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