FR717672A - Process for the hardening of iron alloys, steel alloys and cast iron alloys by nitriding - Google Patents

Process for the hardening of iron alloys, steel alloys and cast iron alloys by nitriding

Info

Publication number
FR717672A
FR717672A FR717672DA FR717672A FR 717672 A FR717672 A FR 717672A FR 717672D A FR717672D A FR 717672DA FR 717672 A FR717672 A FR 717672A
Authority
FR
France
Prior art keywords
alloys
iron alloys
nitriding
hardening
steel
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.)
Krupp Stahl AG
Fried Krupp AG
Original Assignee
Krupp Stahl AG
Fried Krupp 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 Krupp Stahl AG, Fried Krupp AG filed Critical Krupp Stahl AG
Application granted granted Critical
Publication of FR717672A publication Critical patent/FR717672A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/24—Nitriding
    • C23C8/26—Nitriding of ferrous surfaces

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
FR717672D 1930-06-02 1931-05-27 Process for the hardening of iron alloys, steel alloys and cast iron alloys by nitriding Expired FR717672A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE717672X 1930-06-02

Publications (1)

Publication Number Publication Date
FR717672A true FR717672A (en) 1932-01-12

Family

ID=6626767

Family Applications (1)

Application Number Title Priority Date Filing Date
FR717672D Expired FR717672A (en) 1930-06-02 1931-05-27 Process for the hardening of iron alloys, steel alloys and cast iron alloys by nitriding

Country Status (1)

Country Link
FR (1) FR717672A (en)

Similar Documents

Publication Publication Date Title
FR766167A (en) Manufacturing process of cast iron or steel
FR717672A (en) Process for the hardening of iron alloys, steel alloys and cast iron alloys by nitriding
FR40865E (en) Process for the hardening of iron alloys, steel alloys and cast iron alloys by nitriding
FR755817A (en) Process for reducing the tendency to rust of cast iron or steel
FR718131A (en) Process for the cementation of iron, steel and their alloys
FR731959A (en) Bronzing process for iron, cast iron and steel
FR723436A (en) Process for welding iron, steel and their alloys
FR661862A (en) Process for electrochemically pickling iron and steel
FR661766A (en) Direct penetrating chromium plating process for iron, steel and cast iron, known as the <<autochrome>> process
FR880958A (en) Process for producing phosphate coatings on iron and steel
FR682314A (en) Process for forging and forging an iron or steel bar
FR728364A (en) Process for the production of corrosion resistant coatings on iron and steel
FR764674A (en) Nitriding hardening process of iron and stainless steel alloys
FR725883A (en) Steel and iron case-hardening process
FR609138A (en) Process and furnace for the manufacture of cast iron and steel
FR681599A (en) Process for the production of cast iron and copper steel
FR704854A (en) Process for preserving iron, steel and their alloys from rust
FR671554A (en) Process of using slag for the manufacture of cast iron and steel
FR648538A (en) Process for alloying iron and steel with other metals
FR43855E (en) Process for the cementation of iron, steel and their alloys
FR831010A (en) Process for improving cast iron and steel
FR685432A (en) Method and apparatus for hardening cast iron and steel alloys
FR667217A (en) Process for annealing steel
FR748898A (en) Method and devices for obtaining cast steel parts having recesses of determined shapes
FR572995A (en) Process for the desulphurization of iron, steel and ferrous alloys, and compound to facilitate the performance of the process