CA540098A - Method and furnace for oxide-free heating of metal articles - Google Patents

Method and furnace for oxide-free heating of metal articles

Info

Publication number
CA540098A
CA540098A CA540098A CA540098DA CA540098A CA 540098 A CA540098 A CA 540098A CA 540098 A CA540098 A CA 540098A CA 540098D A CA540098D A CA 540098DA CA 540098 A CA540098 A CA 540098A
Authority
CA
Canada
Prior art keywords
furnace
oxide
metal articles
free heating
heating
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA540098A
Other languages
French (fr)
Inventor
Balestra Osvaldo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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.)
Publication date
Application granted granted Critical
Publication of CA540098A publication Critical patent/CA540098A/en
Expired legal-status Critical Current

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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0031—Rotary furnaces with horizontal or slightly inclined axis
    • 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
    • C21D1/34—Methods of heating
    • C21D1/44—Methods of heating in heat-treatment baths
    • 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
    • C21D1/34—Methods of heating
    • C21D1/44—Methods of heating in heat-treatment baths
    • C21D1/46—Salt baths
    • 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
    • C21D1/34—Methods of heating
    • C21D1/52—Methods of heating with flames
    • 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
    • C21D1/68—Temporary coatings or embedding materials applied before or during heat treatment
    • C21D1/70—Temporary coatings or embedding materials applied before or during heat treatment while heating or quenching
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Surface Treatment Of Glass (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Coating With Molten Metal (AREA)
CA540098A 1953-11-13 Method and furnace for oxide-free heating of metal articles Expired CA540098A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT327376X 1953-11-13
IT200354X 1954-03-20

Publications (1)

Publication Number Publication Date
CA540098A true CA540098A (en) 1957-04-30

Family

ID=26327377

Family Applications (1)

Application Number Title Priority Date Filing Date
CA540098A Expired CA540098A (en) 1953-11-13 Method and furnace for oxide-free heating of metal articles

Country Status (11)

Country Link
US (1) US2832700A (en)
BE (1) BE533254A (en)
CA (1) CA540098A (en)
CH (1) CH327376A (en)
DE (1) DE1075651B (en)
FR (1) FR1106448A (en)
GB (1) GB768855A (en)
IT (3) IT505391A (en)
LU (1) LU33204A1 (en)
NO (1) NO91951A (en)
SE (1) SE170972C1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3001508A (en) * 1958-08-13 1961-09-26 Ernest F Elliott Molten material coating furnace
US3080649A (en) * 1959-06-10 1963-03-12 Ernest F Elliott Continuous process of hot-forming metal
DE1150699B (en) * 1960-09-29 1963-06-27 Osvaldo Balestra Oven for oxidation-free heating of iron parts provided with a protective layer
FR2382502A1 (en) * 1977-03-02 1978-09-29 Pont A Mousson METHOD AND PLANT FOR THE HEAT TREATMENT OF ANNEALING OF CAST IRON PIPES WITH SPHEROIDAL OR LAMELLAR GRAPHITE
FR2462480A1 (en) * 1979-08-03 1981-02-13 Pont A Mousson PROCESS AND INSTALLATION FOR HANDLING CAST IRON PIPES OR STEEL TUBES DURING THEIR HEAT TREATMENT

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US376421A (en) * 1888-01-10 Edwin d
US862285A (en) * 1906-12-14 1907-08-06 Charles R Schmidt Method of enameling.
US1452635A (en) * 1918-06-10 1923-04-24 Berninghaus Eugene Method of enameling
AT89949B (en) * 1920-09-15 1922-11-10 Topf J A & Soehne Drying device.
US1916569A (en) * 1930-07-14 1933-07-04 Haller Carl Rotating furnace
DE600401C (en) * 1932-01-13 1934-07-21 Polte Fa Device for guiding hollow bodies open on one side through the front barrier of Blankgluehoefen
US2009165A (en) * 1932-09-20 1935-07-23 Cross Richard Watson Process and mixture for hardening steel
US1919136A (en) * 1933-02-15 1933-07-18 Smith Lloyd Raymond Enameled metal articles and method of producing them
US2235825A (en) * 1937-09-23 1941-03-25 Buffalo Bolt Company Method of pickling and liming ferrous articles
US2135934A (en) * 1937-12-17 1938-11-08 Buffalo Bolt Company Rotary furnace
US2182616A (en) * 1938-07-09 1939-12-05 American Electric Furnace Comp Apparatus for continuous heating and cooling of metals
US2628173A (en) * 1947-10-30 1953-02-10 Koppers Co Inc Method of coating metal articles with bituminous materials

Also Published As

Publication number Publication date
CH327376A (en) 1958-01-31
GB768855A (en) 1957-02-20
IT505391A (en)
SE170972C1 (en) 1960-04-05
IT524900A (en)
BE533254A (en)
FR1106448A (en) 1955-12-19
IT524856A (en)
US2832700A (en) 1958-04-29
DE1075651B (en) 1960-02-18
NO91951A (en)
LU33204A1 (en)

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