Back (Fe-Base)

1.2738 | 40CrMnNiMo8-6-4 +QT

Numeric designation1.2738
Chemical designation40CrMnNiMo8-6-4
StateQT
Etching3 % Nital

This low-sulfur plastic mold steel is in the quenched and tempered condition. The hardness is 50 HRC, the microstructure is coarse-grained.