| SIMILAR STEEL GRADES | ||||||
| National Standard | Manufacturer Standard | |||||
| GB | AISI | DIN | JIS | Erasteel | Bohler | Hitachi |
| *Cr12W | D6 | 1.2436 | SKD2 | – | – | – |
| Chemical composition % | ||||||||||
| C | Si | Mn | P ≤ | S ≤ | Cr | W | Mo | V | Co | etc. |
| 2.10 | 0.35 | 0.35 | 0.030 | 0.03 | 12.00 | 0.7 | – | – | – | |
| Characteristics | |||
| Annealed Hardness HB | Heat Treatment Temperature ℃ | Tampering Hardness HRC | |
| Hardening | Tempering | ||
| 255 | 950-980 | 200 | 61-63 |


