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Snead & Co Iron Works
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Snead & Co Iron Works
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Publication of FR507000ApublicationCriticalpatent/FR507000A/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
C21D1/34—Methods of heating
C21D1/40—Direct resistance heating
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FR507000A1919-07-221919-07-22Méthode et appareil pour le traitement thermique des métaux profilés
ExpiredFR507000A
(fr)