FR731327A - Improvements to heat treatment furnaces - Google Patents

Improvements to heat treatment furnaces

Info

Publication number
FR731327A
FR731327A FR731327DA FR731327A FR 731327 A FR731327 A FR 731327A FR 731327D A FR731327D A FR 731327DA FR 731327 A FR731327 A FR 731327A
Authority
FR
France
Prior art keywords
heat treatment
treatment furnaces
furnaces
heat
treatment
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
Carl Irving Hayes
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 FR731327A publication Critical patent/FR731327A/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

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)
FR731327D 1932-02-12 1932-02-12 Improvements to heat treatment furnaces Expired FR731327A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR731327T 1932-02-12

Publications (1)

Publication Number Publication Date
FR731327A true FR731327A (en) 1932-09-01

Family

ID=9117850

Family Applications (1)

Application Number Title Priority Date Filing Date
FR731327D Expired FR731327A (en) 1932-02-12 1932-02-12 Improvements to heat treatment furnaces

Country Status (1)

Country Link
FR (1) FR731327A (en)

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