WO2008156295A3 - High strength and toughness spring having excellent fatigue life, steel wire rod and steel wire for the same and producing method of said steel wire and spring - Google Patents

High strength and toughness spring having excellent fatigue life, steel wire rod and steel wire for the same and producing method of said steel wire and spring Download PDF

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Publication number
WO2008156295A3
WO2008156295A3 PCT/KR2008/003439 KR2008003439W WO2008156295A3 WO 2008156295 A3 WO2008156295 A3 WO 2008156295A3 KR 2008003439 W KR2008003439 W KR 2008003439W WO 2008156295 A3 WO2008156295 A3 WO 2008156295A3
Authority
WO
WIPO (PCT)
Prior art keywords
approximately
steel wire
spring
high strength
fatigue life
Prior art date
Application number
PCT/KR2008/003439
Other languages
French (fr)
Other versions
WO2008156295A2 (en
Inventor
Sang Woo Choi
Jae Seung Lee
Jeong Do Seo
Yong Tae Shin
Duk Lak Lee
Original Assignee
Posco
Sang Woo Choi
Jae Seung Lee
Jeong Do Seo
Yong Tae Shin
Duk Lak Lee
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 Posco, Sang Woo Choi, Jae Seung Lee, Jeong Do Seo, Yong Tae Shin, Duk Lak Lee filed Critical Posco
Publication of WO2008156295A2 publication Critical patent/WO2008156295A2/en
Publication of WO2008156295A3 publication Critical patent/WO2008156295A3/en

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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
    • 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
    • C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
    • C21D8/065—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires of ferrous alloys
    • 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
    • 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
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Heat Treatment Of Articles (AREA)
  • Springs (AREA)

Abstract

Provided are a high strength and high toughness spring having an excellent fatigue life, a steel wire rod and a steel wire for the spring, and a method for producing the steel wire and the spring. The steel wire rod includes approximately Q5 wt% to approximately Q7 wt% of carbon, approximately 1.5 wt% to approximately 3.0 wt% of silicon, approximately Q3 wt% to approximately 1.0 wt% of manganese, approximately QOl wt% to approximately 1.5 wt% of chromium, approximately QOl wt% to approximately 1.0 wt% of molybdenum, approximately QOl wt% to approximately 1.0 wt% of nickel, approximately Q005 wt% to approximately QO 15 wt% of boron, approximately Q0015 or less wt% of oxygen, approximately QOl or less wt% of aluminum, approximately Q02 or less wt% of phosphorous, approximately Q02 or less wt% of sulfur, and approximately Q02 or less wt% of nitrogen.
PCT/KR2008/003439 2007-06-19 2008-06-18 High strength and toughness spring having excellent fatigue life, steel wire rod and steel wire for the same and producing method of said steel wire and spring WO2008156295A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020070059953A KR100985357B1 (en) 2007-06-19 2007-06-19 High strength and toughness spring having excellent fatigue life, steel wire rod and steel wire for the same and producing method of said steel wire and spring
KR10-2007-0059953 2007-06-19

Publications (2)

Publication Number Publication Date
WO2008156295A2 WO2008156295A2 (en) 2008-12-24
WO2008156295A3 true WO2008156295A3 (en) 2009-02-26

Family

ID=40156791

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2008/003439 WO2008156295A2 (en) 2007-06-19 2008-06-18 High strength and toughness spring having excellent fatigue life, steel wire rod and steel wire for the same and producing method of said steel wire and spring

Country Status (2)

Country Link
KR (1) KR100985357B1 (en)
WO (1) WO2008156295A2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10844920B2 (en) 2015-09-04 2020-11-24 Nippon Steel Corporation Spring steel wire and spring
KR101745192B1 (en) 2015-12-04 2017-06-09 현대자동차주식회사 Ultra high strength spring steel
KR101745196B1 (en) 2015-12-07 2017-06-09 현대자동차주식회사 Ultra high strength spring steel
KR101776490B1 (en) 2016-04-15 2017-09-08 현대자동차주식회사 High strength spring steel having excellent corrosion resistance
KR101795278B1 (en) 2016-06-21 2017-11-08 현대자동차주식회사 Ultra high strength spring steel
BR112019025042A2 (en) * 2017-06-15 2020-06-16 Nippon Steel Corporation LAMINATED STEEL FOR SPRING STEEL
WO2021002074A1 (en) 2019-07-01 2021-01-07 住友電気工業株式会社 Steel wire and spring
CN112853068A (en) * 2020-12-31 2021-05-28 河南富瑞德金属制品有限公司 Preparation process of superfine oil quenching-tempering spring steel wire

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000239797A (en) * 1998-12-21 2000-09-05 Kobe Steel Ltd Steel for spring excellent in workability and production of steel wire for spring
JP2002180196A (en) * 2000-12-20 2002-06-26 Nippon Steel Corp High strength spring steel
JP2004315968A (en) * 2003-03-28 2004-11-11 Kobe Steel Ltd Steel wire for high strength spring having excellent workability, and high strength spring
WO2006059784A1 (en) * 2004-11-30 2006-06-08 Nippon Steel Corporation Steel and steel wire for high strength spring

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0218167B1 (en) * 1985-09-30 1990-11-28 Nippon Steel Corporation High tensile strength drawn steel wire with improved ductility
JP3595901B2 (en) 1998-10-01 2004-12-02 鈴木金属工業株式会社 High strength steel wire for spring and manufacturing method thereof
EP1619264B1 (en) * 2003-03-28 2012-09-26 Kabushiki Kaisha Kobe Seiko Sho Steel wire for high strength spring excellent in workability and high strength spring

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000239797A (en) * 1998-12-21 2000-09-05 Kobe Steel Ltd Steel for spring excellent in workability and production of steel wire for spring
JP2002180196A (en) * 2000-12-20 2002-06-26 Nippon Steel Corp High strength spring steel
JP2004315968A (en) * 2003-03-28 2004-11-11 Kobe Steel Ltd Steel wire for high strength spring having excellent workability, and high strength spring
WO2006059784A1 (en) * 2004-11-30 2006-06-08 Nippon Steel Corporation Steel and steel wire for high strength spring

Also Published As

Publication number Publication date
WO2008156295A2 (en) 2008-12-24
KR20080111688A (en) 2008-12-24
KR100985357B1 (en) 2010-10-04

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