Tolerance for wall thickness: | |
Wall thickness t mm(in) |
Tolerances mm(in) |
Welded Pipe | |
≤5.0(0.197) | ±0.5(0.020) |
>5.0(0.197) to<15.0(0.591) | ±0.1 t |
≥15.0(0.591) | ±1.5(0.060) |
Chemical Composition and Mechanical Property For PSL .1 | |||||||||
Steel Grade | Chemical components | Mechanical performance | |||||||
C(Max) | Mn(Max) | P | S(Max) | Tensile strength(Min) | Yield Strength (Min) |
||||
Min. | Max. | psi | Mpa | psi | Mpa | ||||
Welded Pipe | |||||||||
X56 | 0.26 | 1.40 | / | 0.030 | 0.030 | 71100 | 490 | 56600 | 390 |