EP0462779A3 - Method of making steel useful in springs - Google Patents

Method of making steel useful in springs Download PDF

Info

Publication number
EP0462779A3
EP0462779A3 EP19910305456 EP91305456A EP0462779A3 EP 0462779 A3 EP0462779 A3 EP 0462779A3 EP 19910305456 EP19910305456 EP 19910305456 EP 91305456 A EP91305456 A EP 91305456A EP 0462779 A3 EP0462779 A3 EP 0462779A3
Authority
EP
European Patent Office
Prior art keywords
springs
making steel
steel useful
useful
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.)
Granted
Application number
EP19910305456
Other versions
EP0462779B1 (en
EP0462779A2 (en
Inventor
Tsunetoshi Suzaki
Tomoyoshi Iwao
Teruo Nisshin Steel Co. Ltd. Tanaka
Toshiro Yamada
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.)
Nippon Steel Nisshin Co Ltd
Original Assignee
Nisshin Steel Co Ltd
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 claimed from JP15879090A external-priority patent/JP2961666B2/en
Priority claimed from JP2507691A external-priority patent/JP2952862B2/en
Priority claimed from JP2507791A external-priority patent/JP2823965B2/en
Application filed by Nisshin Steel Co Ltd filed Critical Nisshin Steel Co Ltd
Publication of EP0462779A2 publication Critical patent/EP0462779A2/en
Publication of EP0462779A3 publication Critical patent/EP0462779A3/en
Application granted granted Critical
Publication of EP0462779B1 publication Critical patent/EP0462779B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/02—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for springs
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/02—Hardening by precipitation
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0273—Final recrystallisation annealing
    • 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
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • 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
    • 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
    • C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • 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
    • C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—Hot rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0236—Cold rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Articles (AREA)
EP91305456A 1990-06-19 1991-06-17 Method of making steel useful in springs Expired - Lifetime EP0462779B1 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP15879090A JP2961666B2 (en) 1990-06-19 1990-06-19 Manufacturing method of spring steel with excellent resistance to warm set
JP158790/90 1990-06-19
JP2507691A JP2952862B2 (en) 1991-01-28 1991-01-28 Manufacturing method of spring steel with excellent hardenability and warm set resistance
JP25077/91 1991-01-28
JP2507791A JP2823965B2 (en) 1991-01-28 1991-01-28 Manufacturing method of steel for diaphragm spring
JP25076/91 1991-01-28

Publications (3)

Publication Number Publication Date
EP0462779A2 EP0462779A2 (en) 1991-12-27
EP0462779A3 true EP0462779A3 (en) 1993-09-01
EP0462779B1 EP0462779B1 (en) 1996-09-11

Family

ID=27284887

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91305456A Expired - Lifetime EP0462779B1 (en) 1990-06-19 1991-06-17 Method of making steel useful in springs

Country Status (5)

Country Link
EP (1) EP0462779B1 (en)
KR (1) KR930012177B1 (en)
AU (1) AU633737B2 (en)
CA (1) CA2044639C (en)
DE (1) DE69121982T2 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2932943B2 (en) * 1993-11-04 1999-08-09 株式会社神戸製鋼所 High corrosion resistance and high strength steel for springs
SE502969C2 (en) * 1994-02-17 1996-03-04 Uddeholm Steel Strip Use of a steel alloy as material for coating scrapers in the form of cold rolled strips
GB2352726A (en) 1999-08-04 2001-02-07 Secr Defence A steel and a heat treatment for steels
DE60129463T2 (en) * 2000-12-20 2008-04-17 Kabushiki Kaisha Kobe Seiko Sho, Kobe ROLLED WIRE ROLL FOR HARDENED SPRINGS, DRAWN WIRE FOR HARDED FEED AND HARDENED SPRINGS AND METHOD FOR PRODUCING HARD RETAINED SPRINGS
KR20040083545A (en) 2002-04-02 2004-10-02 가부시키가이샤 고베 세이코쇼 Steel wire for hard-drawn spring excellent in fatique strength and sag resistance, and hard-drawn spring
CN1764733A (en) * 2003-03-28 2006-04-26 株式会社神户制钢所 Steel for spring being excellent in resistance to setting and fatigue characteristics
JP4291639B2 (en) * 2003-08-28 2009-07-08 トヨタ自動車株式会社 Iron-based sintered alloy and method for producing the same
BRPI0712343B1 (en) * 2006-06-09 2014-09-02 Kobe Steel Ltd HIGH CLEANING STEEL SPRING
JP5624503B2 (en) * 2011-03-04 2014-11-12 日本発條株式会社 Spring and manufacturing method thereof
CN106202937B (en) * 2016-01-28 2018-10-19 西北工业大学 M50 steel forgings make carbide size prediction technique in tissue
SE543422C2 (en) * 2019-06-07 2021-01-12 Voestalpine Prec Strip Ab Steel strip for flapper valves

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1290235A (en) * 1961-02-28 1962-04-13 Ct Tech De L Ind Horlogere Method of manufacturing springs or materials for steel springs and springs or materials obtained by this method, in particular springs for watch movements
US4770721A (en) * 1981-08-11 1988-09-13 Aichi Steel Works, Ltd. Process of treating steel for a vehicle suspension spring to improve sag-resistance

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5827955A (en) * 1981-08-11 1983-02-18 Aichi Steel Works Ltd Spring steel with superior hardenability and wear resistance
AU547648B2 (en) * 1981-09-30 1985-10-31 Aichi Steel Works Ltd. Steel for a vehicle suspension spring
JPH02240240A (en) * 1989-03-10 1990-09-25 Aisin Seiki Co Ltd Diaphragm spring of clutch for automobile use

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1290235A (en) * 1961-02-28 1962-04-13 Ct Tech De L Ind Horlogere Method of manufacturing springs or materials for steel springs and springs or materials obtained by this method, in particular springs for watch movements
US4770721A (en) * 1981-08-11 1988-09-13 Aichi Steel Works, Ltd. Process of treating steel for a vehicle suspension spring to improve sag-resistance

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 14, no. 559 (C-787)12 December 1990 & JP-A-02 240 240 ( AISIN SEIKI ) 25 September 1990 *

Also Published As

Publication number Publication date
DE69121982D1 (en) 1996-10-17
CA2044639A1 (en) 1991-12-20
DE69121982T2 (en) 1997-01-30
EP0462779B1 (en) 1996-09-11
AU7837391A (en) 1992-01-09
CA2044639C (en) 2001-08-28
KR920000959A (en) 1992-01-29
EP0462779A2 (en) 1991-12-27
AU633737B2 (en) 1993-02-04
KR930012177B1 (en) 1993-12-24

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