FR2764219B1 - Procede de fabrication d'un ressort en acier, ressort obtenu et acier pour la fabrication d'un tel ressort - Google Patents

Procede de fabrication d'un ressort en acier, ressort obtenu et acier pour la fabrication d'un tel ressort

Info

Publication number
FR2764219B1
FR2764219B1 FR9706848A FR9706848A FR2764219B1 FR 2764219 B1 FR2764219 B1 FR 2764219B1 FR 9706848 A FR9706848 A FR 9706848A FR 9706848 A FR9706848 A FR 9706848A FR 2764219 B1 FR2764219 B1 FR 2764219B1
Authority
FR
France
Prior art keywords
spring
steel
over
layer
manufacturing
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 - Fee Related
Application number
FR9706848A
Other languages
English (en)
Other versions
FR2764219A1 (fr
Inventor
Gilles Auclair
Fabrice Lecouturier
Jean Paul Lebrun
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.)
Ascometal SA
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
Priority to FR9706848A priority Critical patent/FR2764219B1/fr
Application filed by Ascometal SA filed Critical Ascometal SA
Priority to DK98401309T priority patent/DK0884399T3/da
Priority to PT98401309T priority patent/PT884399E/pt
Priority to ES98401309T priority patent/ES2182243T3/es
Priority to DE69807155T priority patent/DE69807155T2/de
Priority to AT98401309T priority patent/ATE222299T1/de
Priority to EP98401309A priority patent/EP0884399B1/fr
Publication of FR2764219A1 publication Critical patent/FR2764219A1/fr
Application granted granted Critical
Publication of FR2764219B1 publication Critical patent/FR2764219B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C22C38/24—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)
FR9706848A 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 Expired - Fee Related FR2764219B1 (fr)

Priority Applications (7)

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
PT98401309T PT884399E (pt) 1997-06-04 1998-06-02 Processo de fabrico de uma mola de aco mola obtida e aco para o fabrico de uma tal mola
ES98401309T ES2182243T3 (es) 1997-06-04 1998-06-02 Procedimiento de fabricacion de un resorte de acero, resorte obtenido y acero para la fabricacion de dicho resorte.
DE69807155T DE69807155T2 (de) 1997-06-04 1998-06-02 Verfahren zur Herstellung einer Stahlfeder, Stahlfeder und Stahl zur Herstellung der Stahlfeder
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
AT98401309T ATE222299T1 (de) 1997-06-04 1998-06-02 Verfahren zur herstellung einer stahlfeder, stahlfeder und stahl zur herstellung der stahlfeder
EP98401309A EP0884399B1 (fr) 1997-06-04 1998-06-02 Procédé de fabrication d'un ressort en acier, ressort obtenu et acier pour la fabrication d'un tel ressort

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 (2)

Publication Number Publication Date
FR2764219A1 FR2764219A1 (fr) 1998-12-11
FR2764219B1 true FR2764219B1 (fr) 1999-07-16

Family

ID=9507558

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9706848A Expired - Fee Related 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

Country Status (7)

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

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 (fr) * 1991-02-22 1996-04-16 Tsuyoshi Abe Acier a ressort a haute resistance
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
EP0884399A1 (fr) 1998-12-16
FR2764219A1 (fr) 1998-12-11
PT884399E (pt) 2002-11-29
ATE222299T1 (de) 2002-08-15
DK0884399T3 (da) 2002-12-09
DE69807155D1 (de) 2002-09-19
DE69807155T2 (de) 2003-05-08
ES2182243T3 (es) 2003-03-01
EP0884399B1 (fr) 2002-08-14

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse