Italy · UNI
PSL2 Grade L290QO
UNI EN ISO 3183
Chemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| Al | 0.06 | Al total | Al total | |
| B | 0.0005 | |||
| C | 0.14 | For each reduction of 0.01% below the specified max. for C | For each reduction of 0.01% below the specified max. for C | |
| CE Pcm | 0.19 | Product analysis C＜=0.12% | Product analysis C＜=0.12% | |
| CEV | 0.34 | Seamless pipe with t＞20.00mm | Seamless pipe with t＞20.00mm | |
| Cr | 0.3 | |||
| Cu | 0.35 | |||
| Mn | 1.35 | |||
| Mo | 0.1 | |||
| N | 0.012 | Al/N＞=2:1;Not applicable to titannium-killed or titanium-treated steel. | Al/N＞=2:1;Not applicable to titannium-killed or titanium-treated steel. | |
| Nb | 0.04 | |||
| Ni | 0.3 | |||
| P | 0.02 | |||
| S | 0.01 | |||
| 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, quenched and tempered, > 323.90mm, d | 290–495 Rp0.5 | 415–655 Rp0.5/Rm ratio min.0.93 |