Italy · UNI
PSL2 Grade X70M
UNI EN ISO 3183
Chemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| C | 0.12 | |||
| CE Pcm | 0.25 | Product analysis C＜=0.12% | Product analysis C＜=0.12% | |
| CEV | 0.43 | Seamless pipe with t＞20.00mm | Seamless pipe with t＞20.00mm | |
| Cr | 0.5 | |||
| Cu | 0.5 | |||
| Mn | 1.7 | For each reduction of 0.01% below the specified max.concentration for C | For each reduction of 0.01% below the specified max.concentration for C | |
| Mo | 0.5 | |||
| Nb+Ti+V | 0.15 | |||
| Ni | 0.5 | |||
| P | 0.025 | |||
| S | 0.015 | |||
| Si | 0.45 |
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 | 485–635 Rp0.5 | 570–760 Rp0.5/Rm ratio min.0.93 |
High/low temperature
| Condition | Temperature ℃ | min | Remarks |
|---|---|---|---|
| steel tubes ；1422.00 ＜ OD- ＜= 2134.00 mm | 0 | 68 | KV(0℃) |
| steel tubes ；1219.00 ＜ OD- ＜= 1422.00 mm | 0 | 54 | KV(0℃) |
| steel tubes ；914.00 ＜ OD- ＜ 1219.00 mm | 0 | 40 | KV(0℃) |
| steel tubes ；762.00 ＜ OD- ＜= 914.00 mm | 0 | 40 | KV(0℃) |
| steel tubes ；508.00 ＜ OD- ＜= 762.00 mm | 0 | 27 | KV(0℃) |
| steel tubes ；OD- ＜= 508.00 mm | 0 | 27 | KV(0℃) |