FR886205A - Process for heat hardening of steels - Google Patents

Process for heat hardening of steels

Info

Publication number
FR886205A
FR886205A FR886205DA FR886205A FR 886205 A FR886205 A FR 886205A FR 886205D A FR886205D A FR 886205DA FR 886205 A FR886205 A FR 886205A
Authority
FR
France
Prior art keywords
steels
heat hardening
hardening
heat
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.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
Deutsche Gold und Silber Scheideanstalt
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 Degussa GmbH, Deutsche Gold und Silber Scheideanstalt filed Critical Degussa GmbH
Application granted granted Critical
Publication of FR886205A publication Critical patent/FR886205A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/34Methods of heating
    • C21D1/44Methods of heating in heat-treatment baths
    • C21D1/46Salt baths

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)
FR886205D 1939-05-16 1942-09-25 Process for heat hardening of steels Expired FR886205A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE886205X 1939-05-16

Publications (1)

Publication Number Publication Date
FR886205A true FR886205A (en) 1943-10-08

Family

ID=6833188

Family Applications (1)

Application Number Title Priority Date Filing Date
FR886205D Expired FR886205A (en) 1939-05-16 1942-09-25 Process for heat hardening of steels

Country Status (1)

Country Link
FR (1) FR886205A (en)

Similar Documents

Publication Publication Date Title
FR857451A (en) Process for the preparation of nitriles
FR835931A (en) Process for the gas carburizing of steel parts
FR886205A (en) Process for heat hardening of steels
FR878023A (en) Continuous casting process of parts
FR844828A (en) Process and machine for the manufacture of metal tubes
FR800003A (en) Refining process for steels
FR856178A (en) Process for cooling concrete
FR892034A (en) Process for preparing primary amines
FR840277A (en) Process for the treatment of pelts
FR868430A (en) Cold forming process for stainless steels
FR879746A (en) Process for the additional treatment of saturated hydrocarbons
FR851128A (en) Process for the annealing of sheets or strips
FR862395A (en) Process for the preparation of diolefins
FR849001A (en) Finned Pipe Finishing Process
FR869628A (en) Process for the case-hardening of malleable cast iron
FR847979A (en) Process for hardening files
FR849984A (en) Process for polymerizing butadienes
FR813692A (en) Method for increasing the heat stability of refractory materials
FR813782A (en) Method of construction of the heads of the siemens-martin furnaces
FR807429A (en) Process for surface hardening of metal parts and equipment specific to the execution of this process
FR864674A (en) Process for preparing diolefins
FR973146A (en) Metal refining process
FR823867A (en) Metal lining process
FR888968A (en) Process for the production of di- and polynitriles
FR858816A (en) Process for hot rolling of sheets, strips, etc., and furnaces for implementing this process