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W.Nr. 1.2162
Cemented steel, Mn and Cr alloyed, designed for forming of plastic materials, glassmaking and rubber industry. It features good machinability and polishability. The steel has good wear resistance after case-hardening, high surface hardness with the core toughness.
The steel is also nitridable, etchable, weldable.

The steel is qualitatively better than steel W.Nr. 1.7131 - 16MnCr5.
The steel is suitable for moulds for plastic materials of all sizes and universal machine parts suitable for case hardening. They are e.g. guide-pins, stamping tools for extrusion forms, pressing dies, gear wheels, pinion gears, gear racks, guiding bars, guiding skirtboards, case-hardened tools, measuring instruments and guiding lines.
Stress-relief annealing 650 - 680°C
Soft annealing 680 - 710°C
Hardening 810 - 840°C
Quenching Oil, water
Case hardening 870 - 900°C
Tempering 150 - 300°C
Hardness after quenching 62 HRC
Tenacity max. 720 N/mm2
Hardness max. 217 HB
Soft annealed
0,18-0,24
0,15-0,35
1,10-1,40
1,00-1,30
0,030
0,030
21MnCr5
19 487
M 100
~P2
CE4 SPECIAL
20 MC5
~20 HG