BÖHLER M261 EXTRA is a precipitation-hardening steel grade for plastic moulds, featuring excellent machinability in the as-supplied, i.e. solution annealed and aged, condition. There is no need for an additional heat treatment, significantly shortening the throughput time.
- excellent machinability coupled with higher hardness,
- good dimensional stability,
- excellent nitriding properties;
and in the processing of plastics by offering:
- high compressive strength,
- high wear resistance.
Chemical composition (average %)