Sweden · SS
PSL1 Grade X70
SS EN ISO 3183
Chemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| C | 0.28 | For seamless pipe;For welded pipe C≤0.26% | For seamless pipe;For welded pipe C≤0.26% | |
| Cr | 0.5 | |||
| Cu | 0.5 | |||
| Mn | 1.4 | For seamless pipe;For welded pipe Mn≤1.65%;For each reduction of 0.01% below the specified max.concentration for C | For seamless pipe;For welded pipe Mn≤1.65%;For each reduction of 0.01% below the specified max.concentration for C | |
| Mo | 0.15 | |||
| Nb+V+Ti | 0.15 | |||
| Ni | 0.5 | |||
| P | 0.03 | |||
| S | 0.03 |
Mechanical properties
| Heat treatment / condition | Yield strength | Tensile strength | Elongation | Reduction of area | Impact energy | Hardness |
|---|---|---|---|---|---|---|
| steel tubes, hot rolled, normalizedhot rolled | ≥485 Rp0.5 | ≥570 |