FR869628A - Process for the case-hardening of malleable cast iron - Google Patents

Process for the case-hardening of malleable cast iron

Info

Publication number
FR869628A
FR869628A FR869628DA FR869628A FR 869628 A FR869628 A FR 869628A FR 869628D A FR869628D A FR 869628DA FR 869628 A FR869628 A FR 869628A
Authority
FR
France
Prior art keywords
hardening
case
cast iron
malleable cast
malleable
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 FR869628A publication Critical patent/FR869628A/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)
FR869628D 1939-08-24 1941-01-30 Process for the case-hardening of malleable cast iron Expired FR869628A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE869628X 1939-08-24

Publications (1)

Publication Number Publication Date
FR869628A true FR869628A (en) 1942-02-09

Family

ID=6803017

Family Applications (1)

Application Number Title Priority Date Filing Date
FR869628D Expired FR869628A (en) 1939-08-24 1941-01-30 Process for the case-hardening of malleable cast iron

Country Status (1)

Country Link
FR (1) FR869628A (en)

Similar Documents

Publication Publication Date Title
FR847128A (en) Process for the production of phosphate coatings on metals
FR835931A (en) Process for the gas carburizing of steel parts
FR869628A (en) Process for the case-hardening of malleable cast iron
FR878023A (en) Continuous casting process of parts
FR869518A (en) Process for the casting of molded metal parts
FR871742A (en) Manufacturing process for malleable iron
FR49338E (en) Steel case-hardening process
FR869629A (en) Process for the cementation of malleable iron in the gas stream
FR870465A (en) Process for the production of castings
FR879189A (en) Method for transposing ketoximes
FR856178A (en) Process for cooling concrete
FR848787A (en) Process for refining by annealing malleable iron
FR871381A (en) Degassing process for thomas cast iron in the converter
FR778787A (en) Method and device for the production of cast iron
FR737946A (en) Cast iron tinning process
FR816219A (en) Process for sealing metal parts on insulators
FR823867A (en) Metal lining process
FR851815A (en) Process for the production of steel from cast iron
FR46972E (en) Process for hardening castings
FR847399A (en) Process for hardening cast iron parts
FR844264A (en) Method and device for the manufacture of cast-length castings
FR845960A (en) Process for the treatment of metal surfaces
FR831010A (en) Process for improving cast iron and steel
FR894817A (en) Process for the treatment of austenitic-based cast iron
FR886205A (en) Process for heat hardening of steels