FR870230A - Process for the heat treatment of metals - Google Patents

Process for the heat treatment of metals

Info

Publication number
FR870230A
FR870230A FR870230DA FR870230A FR 870230 A FR870230 A FR 870230A FR 870230D A FR870230D A FR 870230DA FR 870230 A FR870230 A FR 870230A
Authority
FR
France
Prior art keywords
metals
heat treatment
treatment
heat
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)
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of FR870230A publication Critical patent/FR870230A/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
    • C21D1/34—Methods of heating
    • C21D1/44—Methods of heating in heat-treatment baths
    • C21D1/46—Salt baths

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)
FR870230D 1940-04-10 1941-02-22 Process for the heat treatment of metals Expired FR870230A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US870230XA 1940-04-10 1940-04-10

Publications (1)

Publication Number Publication Date
FR870230A true FR870230A (en) 1942-03-05

Family

ID=22202552

Family Applications (1)

Application Number Title Priority Date Filing Date
FR870230D Expired FR870230A (en) 1940-04-10 1941-02-22 Process for the heat treatment of metals

Country Status (1)

Country Link
FR (1) FR870230A (en)

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