Back (Cast Iron)

EN-GJS-700-2 | 5.3300 laser-hardened

Numeric designation5.3300
Chemical designationEN-GJS-700-2
Statelaser-hardened
Etching3 % Nital

The pearlitic (in the core) nodular graphite cast iron was surface hardened. The fine lamellar structure of the pearlite can still be seen in the martensitic rim microstructure (740 HV 1) – a special feature due to rapid hardening and self-quenching which we have not encountered before.