FR869629A - Process for the cementation of malleable iron in the gas stream - Google Patents

Process for the cementation of malleable iron in the gas stream

Info

Publication number
FR869629A
FR869629A FR869629DA FR869629A FR 869629 A FR869629 A FR 869629A FR 869629D A FR869629D A FR 869629DA FR 869629 A FR869629 A FR 869629A
Authority
FR
France
Prior art keywords
cementation
gas stream
malleable iron
malleable
iron
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.)
EOn Ruhrgas AG
Bergische Stahl Industrie
Original Assignee
Bergische Stahl Industrie
Ruhrgas AG
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 Bergische Stahl Industrie, Ruhrgas AG filed Critical Bergische Stahl Industrie
Application granted granted Critical
Publication of FR869629A publication Critical patent/FR869629A/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
    • C21D5/00—Heat treatments of cast-iron
    • C21D5/04—Heat treatments of cast-iron of white cast-iron
    • C21D5/06—Malleabilising
    • C21D5/08—Malleabilising with oxidation of carbon
    • C21D5/10—Malleabilising with oxidation of carbon in gaseous agents

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)
FR869629D 1939-12-09 1941-01-30 Process for the cementation of malleable iron in the gas stream Expired FR869629A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE869629X 1939-12-09

Publications (1)

Publication Number Publication Date
FR869629A true FR869629A (en) 1942-02-09

Family

ID=6803018

Family Applications (1)

Application Number Title Priority Date Filing Date
FR869629D Expired FR869629A (en) 1939-12-09 1941-01-30 Process for the cementation of malleable iron in the gas stream

Country Status (1)

Country Link
FR (1) FR869629A (en)

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