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IPC Subgroup
C21D 1/55

Hardenability tests, e.g. end-quench tests

Introduced: January 1980

Last revised: January 2006

Full Title

General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering > Hardenability tests, e.g. end-quench tests

Classification Context

Section:
CHEMISTRY; METALLURGY
Class:
METALLURGY OF IRON
Subclass:
MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING