FR830704A - Differential hardening process for thin plates and furnaces for the application of this process - Google Patents

Differential hardening process for thin plates and furnaces for the application of this process

Info

Publication number
FR830704A
FR830704A FR830704DA FR830704A FR 830704 A FR830704 A FR 830704A FR 830704D A FR830704D A FR 830704DA FR 830704 A FR830704 A FR 830704A
Authority
FR
France
Prior art keywords
furnaces
application
thin plates
differential hardening
hardening process
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.)
Stein and Roubaix SA
Original Assignee
Stein and Roubaix SA
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 Stein and Roubaix SA filed Critical Stein and Roubaix SA
Application granted granted Critical
Publication of FR830704A publication Critical patent/FR830704A/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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals

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)
FR830704D 1937-03-25 1937-03-25 Differential hardening process for thin plates and furnaces for the application of this process Expired FR830704A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR830704T 1937-03-25

Publications (1)

Publication Number Publication Date
FR830704A true FR830704A (en) 1938-08-08

Family

ID=9288336

Family Applications (1)

Application Number Title Priority Date Filing Date
FR830704D Expired FR830704A (en) 1937-03-25 1937-03-25 Differential hardening process for thin plates and furnaces for the application of this process

Country Status (1)

Country Link
FR (1) FR830704A (en)

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