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Fagersta Bruks AB
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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
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FR690203D1930-02-191930-02-19Procédé pour éviter la décarburation superficielle dans la recuisson ou autre traitement à chaud, notamment de l'acier
ExpiredFR690203A
(fr)