Standard case hardening steel, easily machinable, good polishability, suitable for cold hobbing, high surface hardness with high core toughness can be achieved with appropriate heat treatment
Product features
21 MnCr 5
As-supplied condition: BG-annealed to max. 210 HB (approx 710 N/mm²)
General fields of application: Tools for plastic processing (thermoplastic and thermosetting), pinions, gear wheels, gear racks, shafts etc.