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CHIERS HAUTS FOURNEAUX
Hauts Fourneaux de la Chiers SA
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CHIERS HAUTS FOURNEAUX
Hauts Fourneaux de la Chiers SA
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Application filed by CHIERS HAUTS FOURNEAUX, Hauts Fourneaux de la Chiers SAfiledCriticalCHIERS HAUTS FOURNEAUX
Application grantedgrantedCritical
Publication of FR784076ApublicationCriticalpatent/FR784076A/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
C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
C21D9/04—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rails
C—CHEMISTRY; METALLURGY
C21—METALLURGY OF IRON
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
C21D1/62—Quenching devices
C21D1/63—Quenching devices for bath quenching
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FR784076D1934-03-311934-03-31Procédé et appareillage pour la trempe des rails
ExpiredFR784076A
(fr)