FR43258E - Process and product for hardening iron or steel tools - Google Patents

Process and product for hardening iron or steel tools

Info

Publication number
FR43258E
FR43258E FR43258DA FR43258E FR 43258 E FR43258 E FR 43258E FR 43258D A FR43258D A FR 43258DA FR 43258 E FR43258 E FR 43258E
Authority
FR
France
Prior art keywords
product
steel tools
hardening iron
hardening
iron
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
August Garweg
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 FR43258E publication Critical patent/FR43258E/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
    • C23C8/60—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 solids, e.g. powders, pastes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
FR43258D 1932-07-15 1932-07-15 Process and product for hardening iron or steel tools Expired FR43258E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR43258T 1932-07-15

Publications (1)

Publication Number Publication Date
FR43258E true FR43258E (en) 1934-04-17

Family

ID=8679248

Family Applications (1)

Application Number Title Priority Date Filing Date
FR43258D Expired FR43258E (en) 1932-07-15 1932-07-15 Process and product for hardening iron or steel tools

Country Status (1)

Country Link
FR (1) FR43258E (en)

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