FR70419E - Special case-hardening steel - Google Patents

Special case-hardening steel

Info

Publication number
FR70419E
FR70419E FR70419DA FR70419E FR 70419 E FR70419 E FR 70419E FR 70419D A FR70419D A FR 70419DA FR 70419 E FR70419 E FR 70419E
Authority
FR
France
Prior art keywords
special case
hardening steel
hardening
steel
special
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.)
Gussstahlwerk Witten AG
Original Assignee
Gussstahlwerk Witten 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 Gussstahlwerk Witten AG filed Critical Gussstahlwerk Witten AG
Application granted granted Critical
Publication of FR70419E publication Critical patent/FR70419E/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
FR70419D 1956-05-02 1956-05-02 Special case-hardening steel Expired FR70419E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR70419T 1956-05-02

Publications (1)

Publication Number Publication Date
FR70419E true FR70419E (en) 1959-05-06

Family

ID=8702118

Family Applications (1)

Application Number Title Priority Date Filing Date
FR70419D Expired FR70419E (en) 1956-05-02 1956-05-02 Special case-hardening steel

Country Status (1)

Country Link
FR (1) FR70419E (en)

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