API5L GRB line PIPE
PIC-(API5L GRB line PIPE)
API5L GRB line PIPES

Our comany Produce and full stock for API 5L B, ASTM A106 GRB, ASTM A53 GRB.
Wall thickness and Seamless pipe's theory weight
|
API5L /ASTM hot rolling and cold drawing steel pipe
Type of steel pipe | Steel tube size mm |
Deviation | ||
Ordinary grade | Senior | |||
Hot rolling (extrusion, expansion) pipe | Outside diameterD | All | +1%(Minimum+0.50) | - |
Wall thicknessS | All | +15%(Minimum+0.45) -12.5%(Minimum-0.40) |
- | |
Cold drawing (rolling) pipe | Outside diameterD | 6~10 | +0.20 | +0.15 |
>10~30 | +0.40 | +0.20 | ||
>30~50 | +0.45 | +0.30 | ||
>50 | +1% | +0.8% | ||
Wall thicknessS | ≤1 | +0.15 | +0.12 | |
>1~3 | +15% -10% |
+12.5% -10% |
||
>3 | +12.5% -10% |
+10% | ||
Note: the outer diameter is not less than 351mm of the thermal expansion tube, the wall thickness allows the deviation of +18% |
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