BÖHLER K720 is corresponds to the material 1.2842 (90MNCRV8, ~O2). This material is suitable for simple heat treatment with low hardening temperatures and single tempering. However, this characteristic tempering behaviour limits the use of advanced coatings. The material has a good hardening response, but only moderate through hardenability. BÖHLER K720 is used for punching and cutting tools, plastic molds, thread cutting tools and machine knives in the wood, paper and recycling industries.
Oil hardening, dimensionally stable tool steel.
| Compressive strength | Stability heat | Toughness | Wear resistance abrasive |
|---|---|---|---|
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| SEL | UNS | EN | AISI |
|---|---|---|---|
| 1.2842 | ~T31502 | 90MnCrV8 | ~O2 |
| EN ISO |
|---|
| 4957 |
| C | Si | Mn | Cr | V | |
|---|---|---|---|---|---|
| 0.90 | 0.25 | 2.00 | 0.35 | 0.10 |
