FR39109E - Process for avoiding surface decarburization in annealing or other hot treatment, especially of steel - Google Patents

Process for avoiding surface decarburization in annealing or other hot treatment, especially of steel

Info

Publication number
FR39109E
FR39109E FR39109DA FR39109E FR 39109 E FR39109 E FR 39109E FR 39109D A FR39109D A FR 39109DA FR 39109 E FR39109 E FR 39109E
Authority
FR
France
Prior art keywords
annealing
steel
hot treatment
avoiding surface
surface decarburization
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.)
Fagersta Bruks AB
Original Assignee
Fagersta Bruks 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 Fagersta Bruks AB filed Critical Fagersta Bruks AB
Application granted granted Critical
Publication of FR39109E publication Critical patent/FR39109E/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

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)
FR39109D 1930-06-06 1930-06-06 Process for avoiding surface decarburization in annealing or other hot treatment, especially of steel Expired FR39109E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR39109T 1930-06-06

Publications (1)

Publication Number Publication Date
FR39109E true FR39109E (en) 1931-09-03

Family

ID=8675539

Family Applications (1)

Application Number Title Priority Date Filing Date
FR39109D Expired FR39109E (en) 1930-06-06 1930-06-06 Process for avoiding surface decarburization in annealing or other hot treatment, especially of steel

Country Status (1)

Country Link
FR (1) FR39109E (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4891837A (en) * 1987-05-15 1990-01-02 Alcatel N.V. Voice control circuit for a communication terminal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4891837A (en) * 1987-05-15 1990-01-02 Alcatel N.V. Voice control circuit for a communication terminal

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