FR810804A - New process for hardening castings - Google Patents

New process for hardening castings

Info

Publication number
FR810804A
FR810804A FR810804DA FR810804A FR 810804 A FR810804 A FR 810804A FR 810804D A FR810804D A FR 810804DA FR 810804 A FR810804 A FR 810804A
Authority
FR
France
Prior art keywords
castings
hardening
new process
new
hardening castings
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)
Inventor
Louis Renault
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 filed Critical
Application granted granted Critical
Publication of FR810804A publication Critical patent/FR810804A/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
    • 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
    • C21D1/06—Surface hardening
    • C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation
    • C21D1/10—Surface hardening by direct application of electrical or wave energy; by particle radiation by electric induction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

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)
FR810804D 1935-12-19 1935-12-19 New process for hardening castings Expired FR810804A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR810804T 1935-12-19

Publications (1)

Publication Number Publication Date
FR810804A true FR810804A (en) 1937-03-31

Family

ID=9257675

Family Applications (1)

Application Number Title Priority Date Filing Date
FR810804D Expired FR810804A (en) 1935-12-19 1935-12-19 New process for hardening castings

Country Status (1)

Country Link
FR (1) FR810804A (en)

Similar Documents

Publication Publication Date Title
FR790262A (en) Process for preparing unsaturated nitriles
FR825494A (en) Improved process for the treatment of textiles
FR804124A (en) Process for preparing cyanohydrins
FR810804A (en) New process for hardening castings
FR837003A (en) Process and bar for welding cast iron
FR805845A (en) Process for surface treatment of iron
FR802977A (en) Manufacturing process for cast concrete parts
FR809386A (en) Process for monomerizing polymethacrylic esters
FR878023A (en) Continuous casting process of parts
FR768122A (en) Process for hardening castings
FR814853A (en) Process for preparing hydrocarbons
FR46972E (en) Process for hardening castings
FR800003A (en) Refining process for steels
FR47594E (en) Steel case-hardening process
FR824785A (en) Casting process for hollow parts
FR847399A (en) Process for hardening cast iron parts
FR738849A (en) Process for manufacturing mating castings
FR769962A (en) Casting process for cast iron cylinders
FR807229A (en) Advanced process for making cast iron
FR803823A (en) Process for grinding extra-hard metal compositions
FR797218A (en) Manufacturing process for steel shells
FR823867A (en) Metal lining process
FR781357A (en) Cast iron welding process
FR802157A (en) Process for preparing beta-aza-benzanthrones
FR799902A (en) Process for preparing amino-sulfones