EP2832876A4 - High-strength stainless steel wire having excellent heat deformation resistance, high-strength spring, and method for manufacturing same - Google Patents

High-strength stainless steel wire having excellent heat deformation resistance, high-strength spring, and method for manufacturing same

Info

Publication number
EP2832876A4
EP2832876A4 EP13767507.0A EP13767507A EP2832876A4 EP 2832876 A4 EP2832876 A4 EP 2832876A4 EP 13767507 A EP13767507 A EP 13767507A EP 2832876 A4 EP2832876 A4 EP 2832876A4
Authority
EP
European Patent Office
Prior art keywords
strength
stainless steel
steel wire
excellent heat
deformation resistance
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
EP13767507.0A
Other languages
German (de)
French (fr)
Other versions
EP2832876B1 (en
EP2832876A1 (en
Inventor
Masayuki Tohjoh
Kohji Takano
Haruhiko Kajimura
Tsuneo Akiura
Gou TOYODA
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 Seisen Co Ltd
Nippon Steel Stainless Steel Corp
Original Assignee
Nippon Seisen Co Ltd
Nippon Steel and Sumikin Stainless Steel Corp
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 Nippon Seisen Co Ltd, Nippon Steel and Sumikin Stainless Steel Corp filed Critical Nippon Seisen Co Ltd
Publication of EP2832876A1 publication Critical patent/EP2832876A1/en
Publication of EP2832876A4 publication Critical patent/EP2832876A4/en
Application granted granted Critical
Publication of EP2832876B1 publication Critical patent/EP2832876B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C1/00Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
    • B21C1/003Drawing materials of special alloys so far as the composition of the alloy requires or permits special drawing methods or sequences
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/004Heat treatment of ferrous alloys containing Cr and Ni
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/06Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
    • C21D8/065Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires of ferrous alloys
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/002Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/06Ferrous alloys, e.g. steel alloys containing aluminium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/04Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/008Martensite
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/02Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for springs
EP13767507.0A 2012-03-29 2013-03-27 High-strength stainless steel wire having excellent heat deformation resistance, high-strength spring, and method for manufacturing same Active EP2832876B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2012076870 2012-03-29
JP2013062817A JP6259579B2 (en) 2012-03-29 2013-03-25 High-strength stainless steel wire, high-strength spring, and method of manufacturing the same
PCT/JP2013/058992 WO2013146876A1 (en) 2012-03-29 2013-03-27 High-strength stainless steel wire having excellent heat deformation resistance, high-strength spring, and method for manufacturing same

Publications (3)

Publication Number Publication Date
EP2832876A1 EP2832876A1 (en) 2015-02-04
EP2832876A4 true EP2832876A4 (en) 2015-12-16
EP2832876B1 EP2832876B1 (en) 2019-11-20

Family

ID=49260125

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13767507.0A Active EP2832876B1 (en) 2012-03-29 2013-03-27 High-strength stainless steel wire having excellent heat deformation resistance, high-strength spring, and method for manufacturing same

Country Status (7)

Country Link
EP (1) EP2832876B1 (en)
JP (1) JP6259579B2 (en)
KR (1) KR101615844B1 (en)
CN (1) CN104136645B (en)
HK (1) HK1205769A1 (en)
TW (1) TWI491745B (en)
WO (1) WO2013146876A1 (en)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103789641A (en) * 2014-01-16 2014-05-14 安徽省杨氏恒泰钢管扣件加工有限公司 High-strength stainless steel pipe material and preparation method thereof
PL3150737T3 (en) 2014-05-29 2020-03-31 Nippon Steel Corporation Heat-treated steel material and method for producing same
EP3150736B1 (en) * 2014-05-29 2019-10-16 Nippon Steel Corporation Heat-treated steel material and method for producing same
RU2586934C1 (en) * 2015-06-08 2016-06-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Южно-Уральский государственный университет" (национальный исследовательский университет) (ФГБОУ ВПО "ЮУрГУ" (НИУ)) Austenite corrosion-resistant chrome-nickel steel with improved machinability
CN105112800A (en) * 2015-09-01 2015-12-02 广西南宁智翠科技咨询有限公司 Oxidation-resisting tensile spring wire
CN105483502A (en) * 2015-12-03 2016-04-13 浙江腾龙精线有限公司 Production method for spring wire
JP6222504B1 (en) * 2016-06-01 2017-11-01 株式会社特殊金属エクセル Metastable austenitic stainless steel strip or steel plate and method for producing the same
CN106011629A (en) * 2016-07-06 2016-10-12 安徽红桥金属制造有限公司 Automobile suspension spring steel with high strength and high toughness and preparation method of automobile suspension spring steel
CN106167880A (en) * 2016-07-14 2016-11-30 龙泉市卓越刀剑有限公司 A kind of double-edged sword external secure latch manufacture method
CN107739995B (en) * 2017-10-17 2019-09-24 中国华能集团公司 A kind of tube material of low-cost high-strength and preparation method thereof
CN107761010B (en) * 2017-10-17 2019-06-14 中国华能集团公司 A kind of tube material and preparation method thereof with excellent high temperature stabilized soil pavement
CN109778079B (en) * 2017-11-13 2020-06-16 路肯(上海)医疗科技有限公司 Stainless steel for medical instruments, manufacturing method, heat treatment method and application
JP7049142B2 (en) * 2018-03-15 2022-04-06 日鉄ステンレス株式会社 Martensitic stainless steel sheet and its manufacturing method and spring members
SE541925C2 (en) 2018-04-26 2020-01-07 Suzuki Garphyttan Ab A stainless steel
CN110499455B (en) * 2018-05-18 2021-02-26 宝武特种冶金有限公司 Age-hardening austenitic stainless steel and preparation method thereof
WO2019240127A1 (en) * 2018-06-11 2019-12-19 日鉄ステンレス株式会社 Wire rod for stainless steel wire, stainless steel wire and manufacturing method therefor, and spring component
CN111043204A (en) * 2019-12-27 2020-04-21 太仓卡兰平汽车零部件有限公司 Stainless steel wave spring for electric stay bar damper
JP6906649B1 (en) * 2020-03-05 2021-07-21 株式会社オリジン How to make a torque limiter
US20230250522A1 (en) * 2020-05-13 2023-08-10 Nippon Steel Stainless Steel Corporation Austenite stainless steel material, method for producing same, and plate spring
CN111618120A (en) * 2020-05-21 2020-09-04 东莞市万欣金属制品有限公司 Production method for improving strength of 316L stainless steel bar
CN111593260B (en) * 2020-06-17 2021-09-24 大连理工大学 B2 nanoparticle coherent precipitation strengthened ultrahigh-strength maraging stainless steel and preparation method thereof
CN112126868A (en) * 2020-09-14 2020-12-25 高燕仪 Production method for manufacturing and processing clockwork spring capable of reducing waste
CN116323994A (en) * 2021-02-24 2023-06-23 日铁不锈钢株式会社 Austenitic stainless steel material, method for producing same, and leaf spring
BR112023024045A2 (en) * 2021-05-21 2024-02-06 Bekaert Sa Nv STRAIGHT STAINLESS STEEL WIRE FOR FLEXIBLE CARDBOARD COATING
CN113699461A (en) * 2021-08-30 2021-11-26 南通普创医疗科技有限公司 High-strength stainless steel wire for interventional medical treatment and preparation method thereof
CN114686774B (en) * 2022-03-08 2022-12-02 四川大学 High-strength high-toughness nano precipitation-strengthened ultrafine-grained martensite austenite dual-phase steel and preparation method thereof
CN115044838A (en) * 2022-06-29 2022-09-13 东北大学 Composite reinforced type ultrahigh-strength and high-toughness martensitic stainless steel and preparation method thereof
WO2024041687A1 (en) 2022-08-23 2024-02-29 Schaeffler Technologies AG & Co. KG Electromechanical actuator
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CN115927976A (en) * 2022-11-27 2023-04-07 安徽海螺川崎装备制造有限公司 Economical preheater hanging plate and production method thereof
CN115927973B (en) * 2023-01-03 2024-03-22 中国原子能科学研究院 Martensitic stainless steel and preparation method and application thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1402682A (en) * 1963-08-02 1965-06-11 Armco Steel Corp Chrome-nickel aluminum stainless steels and their application
US3556776A (en) * 1963-08-02 1971-01-19 Armco Steel Corp Stainless steel
EP0210035A2 (en) * 1985-07-19 1987-01-28 Daido Tokushuko Kabushiki Kaisha High strength stainless steel
JPH02310339A (en) * 1989-05-24 1990-12-26 Kawasaki Steel Corp Martensitic stainless steel having excellent strength, spring characteristics and formability
US5035855A (en) * 1983-08-05 1991-07-30 Nisshin Steel Company, Ltd. Martensitic precipitation-hardenable stainless steel
JP2002146483A (en) * 2000-11-09 2002-05-22 Nippon Steel Corp High strength austenitic stainless steel wire

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61114415A (en) * 1984-11-08 1986-06-02 日立電線株式会社 Clad spring material for electric conduction
JPH0768584B2 (en) * 1986-06-09 1995-07-26 日新製鋼株式会社 Manufacturing method of stainless steel for springs having excellent spring characteristics
JP3482053B2 (en) 1995-11-24 2003-12-22 日本金属株式会社 Stainless steel for heat-resistant spring and method of manufacturing the same
JPH1068050A (en) 1996-08-27 1998-03-10 Hitachi Metals Ltd Stainless steel for spring excellent in thermal settling resistance
JP3492531B2 (en) * 1998-10-05 2004-02-03 住友電工スチールワイヤー株式会社 Heat resistant stainless steel
SE526881C2 (en) * 2001-12-11 2005-11-15 Sandvik Intellectual Property Secretion curable austenitic alloy, use of the alloy and preparation of a product of the alloy
JP4212553B2 (en) * 2002-05-08 2009-01-21 新日鐵住金ステンレス株式会社 High-strength stainless steel wire with excellent twist value and rigidity and manufacturing method thereof
JP4163055B2 (en) * 2003-06-24 2008-10-08 日本精線株式会社 Stainless steel wire for heat-resistant springs and heat-resistant spring products using the same
JP4519513B2 (en) * 2004-03-08 2010-08-04 新日鐵住金ステンレス株式会社 High-strength stainless steel wire with excellent rigidity and manufacturing method thereof
JP4319083B2 (en) * 2004-04-14 2009-08-26 新日鐵住金ステンレス株式会社 Metastable austenitic stainless steel wire for high strength steel wire for springs with excellent rigidity
JP4790539B2 (en) * 2006-08-18 2011-10-12 日本精線株式会社 High-strength, high-elasticity stainless steel and stainless steel wire
JP5154122B2 (en) * 2007-03-29 2013-02-27 日本精線株式会社 High strength stainless steel and high strength stainless steel wire using the same
JP5091732B2 (en) * 2008-03-17 2012-12-05 日新製鋼株式会社 Stainless steel for low Ni springs with excellent sag resistance and bendability
JP5744678B2 (en) * 2010-10-07 2015-07-08 新日鐵住金ステンレス株式会社 Precipitation hardening type metastable austenitic stainless steel wire excellent in fatigue resistance and method for producing the same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1402682A (en) * 1963-08-02 1965-06-11 Armco Steel Corp Chrome-nickel aluminum stainless steels and their application
US3556776A (en) * 1963-08-02 1971-01-19 Armco Steel Corp Stainless steel
US5035855A (en) * 1983-08-05 1991-07-30 Nisshin Steel Company, Ltd. Martensitic precipitation-hardenable stainless steel
EP0210035A2 (en) * 1985-07-19 1987-01-28 Daido Tokushuko Kabushiki Kaisha High strength stainless steel
JPH02310339A (en) * 1989-05-24 1990-12-26 Kawasaki Steel Corp Martensitic stainless steel having excellent strength, spring characteristics and formability
JP2002146483A (en) * 2000-11-09 2002-05-22 Nippon Steel Corp High strength austenitic stainless steel wire

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013146876A1 *

Also Published As

Publication number Publication date
EP2832876B1 (en) 2019-11-20
WO2013146876A1 (en) 2013-10-03
EP2832876A1 (en) 2015-02-04
HK1205769A1 (en) 2015-12-24
CN104136645A (en) 2014-11-05
JP2013227662A (en) 2013-11-07
KR20140117568A (en) 2014-10-07
KR101615844B1 (en) 2016-04-26
TW201346044A (en) 2013-11-16
JP6259579B2 (en) 2018-01-10
TWI491745B (en) 2015-07-11
CN104136645B (en) 2016-06-29

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