DE69115274T2 - Eine harte, austenitische rostfreie Stahlschraube und Verfahren zu ihrer Herstellung. - Google Patents

Eine harte, austenitische rostfreie Stahlschraube und Verfahren zu ihrer Herstellung.

Info

Publication number
DE69115274T2
DE69115274T2 DE69115274T DE69115274T DE69115274T2 DE 69115274 T2 DE69115274 T2 DE 69115274T2 DE 69115274 T DE69115274 T DE 69115274T DE 69115274 T DE69115274 T DE 69115274T DE 69115274 T2 DE69115274 T2 DE 69115274T2
Authority
DE
Germany
Prior art keywords
stainless steel
austenitic stainless
hard
steel screw
making
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 - Lifetime
Application number
DE69115274T
Other languages
English (en)
Other versions
DE69115274D1 (de
Inventor
Akira Yoshino
Haruo Senbokuya
Masaaki Tahara
Kenzo Kitano
Teruo Minato
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.)
Air Water Inc
Original Assignee
Daido Hoxan Inc
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 Daido Hoxan Inc filed Critical Daido Hoxan Inc
Publication of DE69115274D1 publication Critical patent/DE69115274D1/de
Application granted granted Critical
Publication of DE69115274T2 publication Critical patent/DE69115274T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • C23C8/80—After-treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Forging (AREA)
  • Heat Treatment Of Articles (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
DE69115274T 1991-09-20 1991-09-20 Eine harte, austenitische rostfreie Stahlschraube und Verfahren zu ihrer Herstellung. Expired - Lifetime DE69115274T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP91308660A EP0532806B1 (de) 1991-09-20 1991-09-20 Eine harte, austenitische rostfreie Stahlschraube und Verfahren zu ihrer Herstellung

Publications (2)

Publication Number Publication Date
DE69115274D1 DE69115274D1 (de) 1996-01-18
DE69115274T2 true DE69115274T2 (de) 1996-05-30

Family

ID=8208403

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69115274T Expired - Lifetime DE69115274T2 (de) 1991-09-20 1991-09-20 Eine harte, austenitische rostfreie Stahlschraube und Verfahren zu ihrer Herstellung.

Country Status (5)

Country Link
EP (1) EP0532806B1 (de)
AT (1) ATE131217T1 (de)
DE (1) DE69115274T2 (de)
DK (1) DK0532806T3 (de)
ES (1) ES2082151T3 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014122367A (ja) * 2012-12-20 2014-07-03 Daido Steel Co Ltd 真空浸窒処理方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2155078A5 (en) * 1971-10-06 1973-05-18 Kolomensky Teplovozostro Spheroidal cast irons - strengthening by thermal and nitriding processes
AU3773478A (en) * 1977-09-27 1980-01-10 Deutsher Pty Ltd Corrosion resistant self-drilling, thread-cutting screws
SE441933B (sv) * 1984-02-14 1985-11-18 Ibm Svenska Ab Uppkolnings- och vermebehandlingsprocess for en maskindel, exempelvis en tryckhammare
DE69009603T2 (de) * 1989-07-10 1995-01-12 Daido Oxygen Verfahren zur Vorbehandlung von metallischen Werkstücken und zur Nitrierhärtung von Stahl.

Also Published As

Publication number Publication date
ES2082151T3 (es) 1996-03-16
ATE131217T1 (de) 1995-12-15
EP0532806A1 (de) 1993-03-24
DE69115274D1 (de) 1996-01-18
DK0532806T3 (da) 1996-03-04
EP0532806B1 (de) 1995-12-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: AIR WATER INC., SAPPORO, HOKKAIDO, JP