FR841819A - Improvements to processes and apparatus for heating metals - Google Patents

Improvements to processes and apparatus for heating metals

Info

Publication number
FR841819A
FR841819A FR841819DA FR841819A FR 841819 A FR841819 A FR 841819A FR 841819D A FR841819D A FR 841819DA FR 841819 A FR841819 A FR 841819A
Authority
FR
France
Prior art keywords
processes
heating metals
metals
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
Other languages
French (fr)
Inventor
Harold Julius Ness
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 FR841819A publication Critical patent/FR841819A/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)
FR841819D 1938-08-06 1938-08-06 Improvements to processes and apparatus for heating metals Expired FR841819A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR841819T 1938-08-06

Publications (1)

Publication Number Publication Date
FR841819A true FR841819A (en) 1939-05-31

Family

ID=9310060

Family Applications (1)

Application Number Title Priority Date Filing Date
FR841819D Expired FR841819A (en) 1938-08-06 1938-08-06 Improvements to processes and apparatus for heating metals

Country Status (1)

Country Link
FR (1) FR841819A (en)

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