BÖHLER K720
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.
Available Product Shapes
Long Products: ) Presented data refer exclusivly to long products. Please observe the detailed explanations at the end of the data sheet (pdf).
Melting Route
Airmelted
Property Features
- Toughness & Ductility: good
- Grindability: good
Technical Specifications
Material Numbers
- SEL
- 1.2842
- EN
- 90MnCrV8
- UNS
- ~T31502
- AISI
- ~O2
Standards
- EN ISO
- 4957
Chemical Composition
* Chemical Composition (Average %)
- C
- 0.90
- Si
- 0.25
- Mn
- 2.00
- Cr
- 0.35
- V
- 0.10