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Deutsche Edelstahlwerke AG
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Deutsche Edelstahlwerke AG
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Application filed by Deutsche Edelstahlwerke AGfiledCriticalDeutsche Edelstahlwerke AG
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Publication of FR883373ApublicationCriticalpatent/FR883373A/fr
C21D—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
C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
C21D1/06—Surface hardening
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FR883373D1941-06-161942-06-18Procédé de trempe superficielle de pièces d'ouvrage
ExpiredFR883373A
(fr)