DK0884399T3 - Fremgangsmåde til fremstilling af en stålfjeder, fjeder opnået derved og stål til fremstilling af en sådan fjeder - Google Patents

Fremgangsmåde til fremstilling af en stålfjeder, fjeder opnået derved og stål til fremstilling af en sådan fjeder

Info

Publication number
DK0884399T3
DK0884399T3 DK98401309T DK98401309T DK0884399T3 DK 0884399 T3 DK0884399 T3 DK 0884399T3 DK 98401309 T DK98401309 T DK 98401309T DK 98401309 T DK98401309 T DK 98401309T DK 0884399 T3 DK0884399 T3 DK 0884399T3
Authority
DK
Denmark
Prior art keywords
spring
steel
over
layer
producing
Prior art date
Application number
DK98401309T
Other languages
English (en)
Inventor
Gilles Auclair
Fabrice Lecouturier
Jean-Paul Lebrun
Original Assignee
Ascometal Sa
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 Ascometal Sa filed Critical Ascometal Sa
Application granted granted Critical
Publication of DK0884399T3 publication Critical patent/DK0884399T3/da

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
    • C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
    • 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
    • C23C8/02—Pretreatment of the material to be coated
    • 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)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Springs (AREA)
  • Wire Processing (AREA)
  • Heat Treatment Of Articles (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
DK98401309T 1997-06-04 1998-06-02 Fremgangsmåde til fremstilling af en stålfjeder, fjeder opnået derved og stål til fremstilling af en sådan fjeder DK0884399T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9706848A FR2764219B1 (fr) 1997-06-04 1997-06-04 Procede de fabrication d'un ressort en acier, ressort obtenu et acier pour la fabrication d'un tel ressort

Publications (1)

Publication Number Publication Date
DK0884399T3 true DK0884399T3 (da) 2002-12-09

Family

ID=9507558

Family Applications (1)

Application Number Title Priority Date Filing Date
DK98401309T DK0884399T3 (da) 1997-06-04 1998-06-02 Fremgangsmåde til fremstilling af en stålfjeder, fjeder opnået derved og stål til fremstilling af en sådan fjeder

Country Status (7)

Country Link
EP (1) EP0884399B1 (da)
AT (1) ATE222299T1 (da)
DE (1) DE69807155T2 (da)
DK (1) DK0884399T3 (da)
ES (1) ES2182243T3 (da)
FR (1) FR2764219B1 (da)
PT (1) PT884399E (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10032313A1 (de) * 2000-07-04 2002-01-17 Bosch Gmbh Robert Schraubenfedern aus legiertem Stahl und Verfahren zum Herstellen solcher Schraubenfedern
DE10056842B4 (de) * 2000-11-16 2005-06-23 Robert Bosch Gmbh Verfahren zur Oberflächenbehandlung von Druckspiralfedern

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5925024B2 (ja) * 1980-06-26 1984-06-13 株式会社神戸製鋼所 懸架ばね用鋼
US4448617A (en) * 1980-08-05 1984-05-15 Aichi Steel Works, Ltd. Steel for a vehicle suspension spring having good sag-resistance
JPS62274051A (ja) * 1986-05-21 1987-11-28 Kobe Steel Ltd 耐疲労性、耐へたり性に優れた弁ばね用鋼線
JP2613601B2 (ja) * 1987-09-25 1997-05-28 日産自動車株式会社 高強度スプリング
CA2057190C (en) * 1991-02-22 1996-04-16 Tsuyoshi Abe High strength spring steel
US5310521A (en) * 1992-11-24 1994-05-10 Stelco Inc. Steel composition for suspension springs
JPH06228734A (ja) * 1993-02-02 1994-08-16 Nisshin Steel Co Ltd クラッチダイヤフラムスプリング用鋼の製造方法
JP3142689B2 (ja) * 1993-06-29 2001-03-07 株式会社神戸製鋼所 疲労強度の優れたばね
JPH07179985A (ja) * 1993-12-24 1995-07-18 Kobe Steel Ltd 耐食性に優れた高強度懸架ばねおよびその製法
JP2783145B2 (ja) * 1993-12-28 1998-08-06 株式会社神戸製鋼所 疲労強度の優れた窒化ばね用鋼および窒化ばね
JP3173756B2 (ja) * 1994-07-28 2001-06-04 株式会社東郷製作所 コイルばねの製造方法

Also Published As

Publication number Publication date
FR2764219B1 (fr) 1999-07-16
PT884399E (pt) 2002-11-29
ATE222299T1 (de) 2002-08-15
ES2182243T3 (es) 2003-03-01
EP0884399A1 (fr) 1998-12-16
FR2764219A1 (fr) 1998-12-11
DE69807155T2 (de) 2003-05-08
DE69807155D1 (de) 2002-09-19
EP0884399B1 (fr) 2002-08-14

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