FR821421A - Improved process for giving smooth surfaces to metals and metal parts by annealing them to restore their ductility - Google Patents

Improved process for giving smooth surfaces to metals and metal parts by annealing them to restore their ductility

Info

Publication number
FR821421A
FR821421A FR821421DA FR821421A FR 821421 A FR821421 A FR 821421A FR 821421D A FR821421D A FR 821421DA FR 821421 A FR821421 A FR 821421A
Authority
FR
France
Prior art keywords
ductility
restore
annealing
metals
metal parts
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.)
Finspongs Metallverks AB
Original Assignee
Finspongs Metallverks AB
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 Finspongs Metallverks AB filed Critical Finspongs Metallverks AB
Application granted granted Critical
Publication of FR821421A publication Critical patent/FR821421A/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
    • 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment

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)
FR821421D 1936-05-05 1937-05-04 Improved process for giving smooth surfaces to metals and metal parts by annealing them to restore their ductility Expired FR821421A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE821421X 1936-05-05

Publications (1)

Publication Number Publication Date
FR821421A true FR821421A (en) 1937-12-04

Family

ID=20349247

Family Applications (1)

Application Number Title Priority Date Filing Date
FR821421D Expired FR821421A (en) 1936-05-05 1937-05-04 Improved process for giving smooth surfaces to metals and metal parts by annealing them to restore their ductility

Country Status (1)

Country Link
FR (1) FR821421A (en)

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