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Wild Barfield Electric Furnaces Ltd
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Wild Barfield Electric Furnaces Ltd
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Publication of FR915261ApublicationCriticalpatent/FR915261A/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
C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
C21D1/76—Adjusting the composition of the atmosphere
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FR915261D1943-02-041945-10-02Perfectionnement à l'entretien de l'atmosphère dans les fours
ExpiredFR915261A
(fr)