FR870454A - Method and device for removing impurities from iron and steel articles - Google Patents

Method and device for removing impurities from iron and steel articles

Info

Publication number
FR870454A
FR870454A FR870454DA FR870454A FR 870454 A FR870454 A FR 870454A FR 870454D A FR870454D A FR 870454DA FR 870454 A FR870454 A FR 870454A
Authority
FR
France
Prior art keywords
iron
removing impurities
steel articles
articles
steel
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
Other languages
French (fr)
Inventor
Bernhard Berghaus
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 filed Critical
Application granted granted Critical
Publication of FR870454A publication Critical patent/FR870454A/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
    • 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
    • C21D1/773—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material under reduced pressure or vacuum
    • 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
    • C21D1/38—Heating by cathodic discharges

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)
FR870454D 1940-02-27 1941-02-27 Method and device for removing impurities from iron and steel articles Expired FR870454A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE870454X 1940-02-27

Publications (1)

Publication Number Publication Date
FR870454A true FR870454A (en) 1942-03-12

Family

ID=6806353

Family Applications (1)

Application Number Title Priority Date Filing Date
FR870454D Expired FR870454A (en) 1940-02-27 1941-02-27 Method and device for removing impurities from iron and steel articles

Country Status (1)

Country Link
FR (1) FR870454A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE934424C (en) * 1951-09-09 1955-10-20 Licentia Gmbh Process for cleaning hard-to-melt crystalline substances

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE934424C (en) * 1951-09-09 1955-10-20 Licentia Gmbh Process for cleaning hard-to-melt crystalline substances

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