BÖHLER S390 MICROCLEAN – “The decathlete”
This grade is our PM steel with many positive usage properties. For twist drills, taps, mills, broaches, or cold-work applications, BÖHLER S390 MICROCLEAN is always a high performer.

Chemical Analysis
| C | Cr | Mo | V | W | Co |
| 1.64 | 4.80 | 2.00 | 4.80 | 10.40 | 8.00 |