FR648669A - Process for the production of steel unalterable by cold working and by age - Google Patents

Process for the production of steel unalterable by cold working and by age

Info

Publication number
FR648669A
FR648669A FR648669DA FR648669A FR 648669 A FR648669 A FR 648669A FR 648669D A FR648669D A FR 648669DA FR 648669 A FR648669 A FR 648669A
Authority
FR
France
Prior art keywords
unalterable
age
steel
production
cold working
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
Herman Johan Van Royen
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 FR648669A publication Critical patent/FR648669A/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
    • 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)
FR648669D 1927-02-21 1928-02-11 Process for the production of steel unalterable by cold working and by age Expired FR648669A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE648669X 1927-02-21

Publications (1)

Publication Number Publication Date
FR648669A true FR648669A (en) 1928-12-12

Family

ID=6581160

Family Applications (1)

Application Number Title Priority Date Filing Date
FR648669D Expired FR648669A (en) 1927-02-21 1928-02-11 Process for the production of steel unalterable by cold working and by age

Country Status (1)

Country Link
FR (1) FR648669A (en)

Similar Documents

Publication Publication Date Title
FR648669A (en) Process for the production of steel unalterable by cold working and by age
FR713382A (en) Process for the production of humectants, detergents, emulsifiers, dispersants, etc.
FR705613A (en) Method for machining bolts
FR716178A (en) Process for the production of humectants, detergents and emulsifiers
FR714459A (en) Process for the production of metal sponge
FR971429A (en) Reduction or hydrogenation process using metal couples
FR858096A (en) Hardening process for steel and other alloys
FR835591A (en) Process for improving lubricants
FR715756A (en) Process for the production of detergents, dispersants, emulsifiers and humectants
FR857861A (en) Process for the production of steel
FR799766A (en) Process for the treatment of steel
FR667217A (en) Process for annealing steel
FR718809A (en) Process for the production of humectants, detergents, dispersants, etc.
FR830681A (en) Process for the clear annealing of metal articles
FR578199A (en) Cold enamelling process
FR582393A (en) Cold enamelling process
FR825908A (en) Process for the production of steel
FR714000A (en) Process for the production of humectants, detergents, emulsifiers and dispersants
FR728415A (en) Process for the production of humectants, detergents and dispersants
FR713916A (en) Metal refining process
FR647952A (en) Process for the production of metals and alloys
FR825699A (en) Process for the production of Thomas steel
FR840962A (en) Lubricant and process for obtaining it
FR36667E (en) Process for annealing steel
FR37678E (en) Process for annealing steel