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W.Nr. 1.2311
Alloy treated steel with Cr - Mn – Mo, with low sulfur content and high grade of homogeneity offers excellent mechanical properties like as toughness, dimensional stability, as well as good machinability and erodibility. It has good hardenability and hot strength.
It is suitable for case hardening, nitriding, induction hardening.
It features better polishability as W.Nr. 1.2312.
The steel is supplied in treated condition and there is no need for subsequent heat treatment (the delivered condition is exploited). Subsequent heat treatment is recommended only in exceptional events when higher hardness is required.
The steel is suitable for plastic materials processing moulds and frameworks and for moulds framing for metal casting under pressure. Tools for hot forming like as interspaces and thermally stressed auxiliary tools. Machine parts with higher strength and sufficient toughness.
Stress-relief annealing max. 480°C
Soft annealing 710 - 740°C
Hardness after quenching 51 HRC
Tenacity 900 - 1100 N/mm2
Hardness 280 - 325 HB
19 520
M 201
P 20
~40 CMD