Main Specifications as follows:
Standard:GB/T8162-1999,ISO2937,ASTM A53,ASTM A106,JIS G 3441,BS,EN 10210-1
Standard:GB/T8162-1999,ISO2937,ASTM A53,ASTM A106,JIS G 3441,BS,EN 10210-1
Materials and Grade:
10,20,Q195,Q235,Q345,P11,A106,A53,P91,Gr.B.,12Cr1MoV,15CrMo,0CrMo910,15CrMo,35CrMo etc.
Applications:
Widely used in chemical industry,petroleum,machinery,general structure and machinery structure etc.
Pipe allowable deviation:
| steel pipe type | diameter mm | allowable deviation | ||
| general class | high class | |||
| hot rolled pipe | outer diameter D | all | ± 1%( Min.± 0.50mm ) | — |
| wallthickness S | all | +15% -12.5%( Min+0.45/ -0.40 mm ) | — | |
| cold drawn pipe | outer diameter D | 6 ~ 10 | ± 0.20 mm | ± 0.15 mm |
| > 10 ~ 30 | ± 0.40 mm | ± 0.20 mm | ||
| > 30 ~ 50 | ± 0.45 mm | ± 0.30 mm | ||
| > 50 | ± 1% | ± 0.8% | ||
| wall thickness S | ≤ 1 | ± 0.15 mm | ± 0.12 mm | |
| > 1 ~ 3 | +15% -10% | +12.5% -10% | ||
| >3 | +12.5% -10% | ± 10% | ||
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Sincerely welcome to contact us, we are confident of supplying our pipes withtop quality and reasonable price!
Sincerely welcome to contact us, we are confident of supplying our pipes withtop quality and reasonable price!
