Used in parts requiring high precision, like gears and shafts.
| Common Name | AISI | JIS | DIN | W.-Nr | EN |
|---|---|---|---|---|---|
| 760 | 1045 | S45C | Ck45 | 1.1191 | EN 43 |
| 709 | 4140 | SCM 440 | 42CrMo4 | 1.7225 | EN 19 |
| 705 | 4340 | SNCM 439 | 34CrNiMo6 | 1.6582 | EN 24 |
| 7210 | 3215 | SNC 415 | 15CrNi6 | 1.5919 | EN 352 |
| 131 | 5115 | SCM 21 | 16MnCr5 | 1.7131 | – |
| 7218 | 4130 | SCM 430 | 25CrMo4 | 1.7218 | 708 A25 |
Malaysia