International standard · ISO
PSL2 Grade BMS
ISO 3183:2007 — Petroleum and natural gas industries. Steel pipe for pipeline transportation systems
Chemical composition
wt% · log scale- min – max range
- typical value
Mechanical properties
value range by conditionChemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| Al | 0.06 | Al total | ||
| B | 0.0005 | |||
| C | 0.1 | For each reduction of 0 | ||
| CEV | 0.19 | CEPcm | ||
| Ca | 0.006 | |||
| Cr | 0.3 | |||
| Cu | 0.35 | |||
| Mn | 1.25 | |||
| Mo | 0.15 | |||
| N | 0.012 | Al/N >=2:1; not applicable to titanium-killed or titanium-treated steel | ||
| Nb | 0.04 | |||
| Ni | 0.3 | |||
| P | 0.02 | |||
| S | 0.002 | The maximum limit for sulfur concentration may be increased to u 0 | ||
| Si | 0.4 | |||
| Ti | 0.04 | |||
| V | 0.04 |
Mechanical properties
| Heat treatment / condition | Yield strength | Tensile strength | Elongation | Reduction of area | Impact energy | Hardness |
|---|---|---|---|---|---|---|
| seamless or welded steel tube, thermomechanically rolled | 245–450 Rt0 | 415–760 Rt0 |