FR757651A - Process for white annealing metal objects - Google Patents

Process for white annealing metal objects

Info

Publication number
FR757651A
FR757651A FR757651DA FR757651A FR 757651 A FR757651 A FR 757651A FR 757651D A FR757651D A FR 757651DA FR 757651 A FR757651 A FR 757651A
Authority
FR
France
Prior art keywords
metal objects
annealing metal
white
white annealing
objects
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.)
BROWN
BBC Brown Boveri AG Germany
Original Assignee
BROWN
Brown Boveri und Cie AG Germany
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 BROWN, Brown Boveri und Cie AG Germany filed Critical BROWN
Application granted granted Critical
Publication of FR757651A publication Critical patent/FR757651A/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
    • C21D1/773—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material under reduced pressure or vacuum

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)
FR757651D 1932-06-30 1933-06-27 Process for white annealing metal objects Expired FR757651A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE757651X 1932-06-30

Publications (1)

Publication Number Publication Date
FR757651A true FR757651A (en) 1933-12-30

Family

ID=6660075

Family Applications (1)

Application Number Title Priority Date Filing Date
FR757651D Expired FR757651A (en) 1932-06-30 1933-06-27 Process for white annealing metal objects

Country Status (1)

Country Link
FR (1) FR757651A (en)

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