ASME SA335 Seamless Steel Tubes
| Standard | Steel Code | Tensile Strength(MPa) | Yield Strength(MPa) | Elongation Percent(% | Impact Power(J) | Rigidity |
| ASME SA335 | SA335 P11 | ≥415 | ≥205 | ≥22 | ≥35 | ≤163HB |
| SA335 P12 | ≥415 | ≥220 | ≥22 | ≥35 | ≤163HB | |
| SA335 P22 | ≥415 | ≥205 | ≥22 | ≥35 | ≤163HB | |
| SA335 P5 | ≥415 | ≥205 | ≥22 | ≥35 | ≤187HB | |
| SA335 P91 | 585∼760 | ≥415 | ≥20 | ≥35 | ≤250HB | |
| SA335 P92 | ≥620 | ≥440 | ≥20 | ≥35 | ≤250HB |
Chemical Component
| Standard | Steel Code | Chemical Component(%) | |||||||||||||
| C | Si | Mn | P | S | Cr | Mo | Cu | Ni | V | Al | W | Nb | N | ||
| ASME SA335 | SA335 P11 | 0.05∼0.15 | 0.50∼1.0 | 0.30∼0.60 | ≤0.030 | ≤0.030 | 1.00∼1.50 | 0.50∼1.00 | |||||||
| SA335 P12 | 0.05∼0.15 | ≤0.50 | 0.30∼0.61 | ≤0.030 | ≤0.030 | 0.80∼1.25 | 0.44∼0.65 | ||||||||
| SA335 P22 | 0.05∼0.15 | ≤0.50 | 0.30∼0.60 | ≤0.030 | ≤0.030 | 1.90∼2.60 | 0.87∼1.13 | ||||||||
| SA335 P5 | ≤0.15 | ≤0.50 | 0.30∼0.60 | ≤0.030 | ≤0.030 | 4.00/6.00 | 0.45/0.65 | ||||||||
| SA335 P91 | 0.08∼0.12 | 0.20∼0.50 | 0.30∼0.60 | ≤0.020 | ≤0.010 | 8.00∼9.50 | 0.85∼1.05 | ≤0.40 | 0.18∼0.25 | ≤0.015 | 0.06∼0.10 | 0.03∼0.07 | |||
| SA335 P92 | 0.07∼0.13 | ≤0.50 | 0.30∼0.60 | ≤0.020 | ≤0.010 | 8.50∼9.50 | 0.30∼0.60 | B0.001 0.006 | ≤0.40 | 0.15∼0.25 | ≤0.015 | 1.50∼2.00 | 0.04∼0.09 | 0.03∼0.07 | |
| Type of Steel Pipes | OD(D) | WT(S) | ||
| Cold Drawn Steel Pipe | OD(mm) | Tolerance (mm) | Wall Thickness(mm) | Tolerance (mm) |
| >30∼50 | ±0.3 | >3∼20 | ±10% | |
| >114∼159 | ±0.8% | ≤30 | ±10% | |
| >159∼219 | ±1.0% | |||
| Hot Rolled Steel Pipe | >219∼457 | ±1.0% | ≤20 | 10%,12.5% |
| >20∼40 | 10%,10% | |||
