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High frequency quenching in cast iron parts
Pubdate date:2019-10-17Views:0
Castings can be induction hardened, cast steel is equivalent to various carbon steel induction heat treatment, ductile iron generally has a pearlite content of more than 65%, but gray cast iron is rarely induction hardened.

Ductile iron heating speed can be faster than gray cast iron heating, generally heated to 900-1000 degrees, water spray (or quenching medium, generally should not be cold through, cooling to 250 degrees or so to stop spraying water, using residual heat for tempering, In case of cracks.

HT can also be induction hardened, mainly used in mechanical sliding tables.

 

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