AT244374B - Process and device for the decarburizing and denitrifying annealing of steel sheets in the form of loosely wound coils in moist hydrogen - Google Patents

Process and device for the decarburizing and denitrifying annealing of steel sheets in the form of loosely wound coils in moist hydrogen

Info

Publication number
AT244374B
AT244374B AT149662A AT149662A AT244374B AT 244374 B AT244374 B AT 244374B AT 149662 A AT149662 A AT 149662A AT 149662 A AT149662 A AT 149662A AT 244374 B AT244374 B AT 244374B
Authority
AT
Austria
Prior art keywords
decarburizing
denitrifying
annealing
steel sheets
wound coils
Prior art date
Application number
AT149662A
Other languages
German (de)
Inventor
Jean Daubersy
Original Assignee
Ame Metallurg D Esperance Long
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ame Metallurg D Esperance Long filed Critical Ame Metallurg D Esperance Long
Application granted granted Critical
Publication of AT244374B publication Critical patent/AT244374B/en

Links

Classifications

    • 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
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/767—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material with forced gas circulation; Reheating thereof
    • 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
    • C21D3/00—Diffusion processes for extraction of non-metals; Furnaces therefor
    • C21D3/02—Extraction of non-metals
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54—Furnaces for treating strips or wire
    • C21D9/663—Bell-type furnaces
    • C21D9/667—Multi-station furnaces
AT149662A 1961-03-07 1962-02-22 Process and device for the decarburizing and denitrifying annealing of steel sheets in the form of loosely wound coils in moist hydrogen AT244374B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE38977 1961-03-07

Publications (1)

Publication Number Publication Date
AT244374B true AT244374B (en) 1966-01-10

Family

ID=3840141

Family Applications (1)

Application Number Title Priority Date Filing Date
AT149662A AT244374B (en) 1961-03-07 1962-02-22 Process and device for the decarburizing and denitrifying annealing of steel sheets in the form of loosely wound coils in moist hydrogen

Country Status (3)

Country Link
US (1) US3268371A (en)
AT (1) AT244374B (en)
GB (1) GB986685A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3966509A (en) * 1975-01-22 1976-06-29 United States Steel Corporation Method for reducing carbon deposits during box annealing
FR2306936A1 (en) * 1975-04-11 1976-11-05 Azote & Prod Chim METHOD AND DEVICE FOR GENERATING A REDUCING ATMOSPHERE FOR A HEAT TREATMENT PLANT
AT395321B (en) * 1983-07-05 1992-11-25 Ebner Ind Ofenbau METHOD FOR COOLING CHARGES IN DISCONTINUOUSLY WORKING INDUSTRIAL OVENS, ESPECIALLY STEEL WIRE OR TAPE BANDS IN DOME GLUES

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3127289A (en) * 1964-03-31 hoursx
US1727192A (en) * 1926-08-20 1929-09-03 Thaddeus F Baily Annealing equipment and method
US1864593A (en) * 1929-05-15 1932-06-28 Gustafsson Emil Gustaf Torvald Method of producing metal sponge
US1849561A (en) * 1929-07-06 1932-03-15 Wiberg Frans Martin Method of treating solid materials with gases
GB497480A (en) * 1937-04-15 1938-12-15 James Macdonald Improvements in or relating to furnaces for the heat treatment of materials or of articles
US2998303A (en) * 1958-08-26 1961-08-29 Midland Ross Corp Method for purifying hydrogen contaminated with methane
US3109877A (en) * 1960-07-01 1963-11-05 Wilson Lee Apparatus for modifying the composition of strip metal
US3185463A (en) * 1960-07-18 1965-05-25 Metallurg D Esperance Longdoz Apparatus for conditioning air and gases for annealing steel plates and the like

Also Published As

Publication number Publication date
GB986685A (en) 1965-03-24
US3268371A (en) 1966-08-23

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