FR625412A - Improvements in the heat treatment of steel - Google Patents

Improvements in the heat treatment of steel

Info

Publication number
FR625412A
FR625412A FR625412DA FR625412A FR 625412 A FR625412 A FR 625412A FR 625412D A FR625412D A FR 625412DA FR 625412 A FR625412 A FR 625412A
Authority
FR
France
Prior art keywords
steel
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)
Inventor
Naraina Das Chopra
Frederick John Bullen
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 FR625412A publication Critical patent/FR625412A/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
    • C21D1/76—Adjusting the composition of the atmosphere

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)
FR625412D 1926-04-01 1926-11-25 Improvements in the heat treatment of steel Expired FR625412A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB625412X 1926-04-01

Publications (1)

Publication Number Publication Date
FR625412A true FR625412A (en) 1927-08-10

Family

ID=10488235

Family Applications (1)

Application Number Title Priority Date Filing Date
FR625412D Expired FR625412A (en) 1926-04-01 1926-11-25 Improvements in the heat treatment of steel

Country Status (1)

Country Link
FR (1) FR625412A (en)

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