DE69816859D1 - Stahldraht- und feder mit hoher dauerfestigkeit und verfahren zu deren herstellung - Google Patents

Stahldraht- und feder mit hoher dauerfestigkeit und verfahren zu deren herstellung

Info

Publication number
DE69816859D1
DE69816859D1 DE69816859T DE69816859T DE69816859D1 DE 69816859 D1 DE69816859 D1 DE 69816859D1 DE 69816859 T DE69816859 T DE 69816859T DE 69816859 T DE69816859 T DE 69816859T DE 69816859 D1 DE69816859 D1 DE 69816859D1
Authority
DE
Germany
Prior art keywords
spring
production
steel wire
high durability
durability
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 - Lifetime
Application number
DE69816859T
Other languages
English (en)
Other versions
DE69816859T2 (de
Inventor
Nozomu Kawabe
Teruyuki Murai
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.)
Sumitomo SEI Steel Wire Corp
Original Assignee
Sumitomo Electric Industries 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
Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Publication of DE69816859D1 publication Critical patent/DE69816859D1/de
Application granted granted Critical
Publication of DE69816859T2 publication Critical patent/DE69816859T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
    • C21D7/04—Modifying the physical properties of iron or steel by deformation by cold working of the surface
    • C21D7/06—Modifying the physical properties of iron or steel by deformation by cold working of the surface by shot-peening or the like
    • 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
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/525—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length for wire, for rods
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S148/00—Metal treatment
    • Y10S148/902—Metal treatment having portions of differing metallurgical properties or characteristics
    • Y10S148/908—Spring
DE69816859T 1997-11-06 1998-08-13 Stahldraht- und feder mit hoher dauerfestigkeit und verfahren zu deren herstellung Expired - Lifetime DE69816859T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP32249597A JP3859331B2 (ja) 1997-11-06 1997-11-06 高疲労強度鋼線およびばねとそれらの製造方法
JP32249597 1997-11-06
PCT/JP1998/003623 WO1999024630A1 (fr) 1997-11-06 1998-08-13 Fil d'acier et ressort a resistance elevee a la fatigue et procedes de fabrication

Publications (2)

Publication Number Publication Date
DE69816859D1 true DE69816859D1 (de) 2003-09-04
DE69816859T2 DE69816859T2 (de) 2004-05-13

Family

ID=18144291

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69816859T Expired - Lifetime DE69816859T2 (de) 1997-11-06 1998-08-13 Stahldraht- und feder mit hoher dauerfestigkeit und verfahren zu deren herstellung

Country Status (5)

Country Link
US (1) US6627005B1 (de)
EP (1) EP1036851B1 (de)
JP (1) JP3859331B2 (de)
DE (1) DE69816859T2 (de)
WO (1) WO1999024630A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999011836A1 (fr) * 1997-08-28 1999-03-11 Sumitomo Electric Industries, Ltd. Fil d'acier et procede de production de ce fil
KR100368530B1 (ko) * 1998-12-21 2003-01-24 가부시키가이샤 고베 세이코쇼 가공성이 우수한 스프링용 강
US7055244B2 (en) * 2002-03-14 2006-06-06 Anand Waman Bhagwat Method of manufacturing flat wire coil springs to improve fatigue life and avoid blue brittleness
JP2007224366A (ja) * 2006-02-23 2007-09-06 Sumitomo Electric Ind Ltd 高強度ステンレス鋼ばねおよびその製造方法
KR101445868B1 (ko) * 2007-06-05 2014-10-01 주식회사 포스코 피로수명이 우수한 고탄소 강판 및 그 제조 방법
US20100304184A1 (en) * 2009-06-01 2010-12-02 Thomas & Betts International, Inc. Galvanized weathering steel
JP6724400B2 (ja) * 2016-02-10 2020-07-15 日本製鉄株式会社 強度と延性のバランスに優れた高強度極細鋼線及びその製造方法
JP6583082B2 (ja) * 2016-03-22 2019-10-02 住友電気工業株式会社 ばね用鋼線
US20220112753A1 (en) * 2019-02-26 2022-04-14 Nv Bekaert Sa Helical compression spring for an actuator for opening and closing a door or a tailgate of a car

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB531017A (en) * 1939-07-08 1940-12-27 Richard Johnson & Nephew Ltd Improvements relating to the manufacture of wire
JPS57140833A (en) 1981-02-23 1982-08-31 Nippon Steel Corp Production of high strength steel bar and wire
JPS60194046A (ja) 1984-03-15 1985-10-02 Plus Eng Co Ltd ドツト・プリンタ−用ワイヤ−及びその製造方法
EP0218167B1 (de) * 1985-09-30 1990-11-28 Nippon Steel Corporation Gezogener Stahldraht mit hoher Bruchfestigkeit und Duktilität
JPS62260015A (ja) 1986-05-02 1987-11-12 Sumitomo Electric Ind Ltd 耐疲れ性にすぐれたばねおよびその製造方法
JP2511663B2 (ja) * 1987-01-14 1996-07-03 本田技研工業株式会社 コイルスプリングの製造方法
US5240520A (en) * 1990-11-19 1993-08-31 Nippon Steel Corporation High strength, ultra fine steel wire having excellent workability in stranding and process and apparatus for producing the same
JP2898472B2 (ja) * 1992-05-26 1999-06-02 株式会社 神戸製鋼所 疲労特性の優れたばね用鋼及びばね用鋼線並びにばね
JPH0641631A (ja) * 1992-07-23 1994-02-15 Kobe Steel Ltd ばねの強化方法
JPH06240408A (ja) * 1993-02-17 1994-08-30 Sumitomo Electric Ind Ltd ばね用鋼線及びその製造方法
JPH08232046A (ja) * 1995-02-23 1996-09-10 Nippon Steel Corp 耐捻回割れ性に優れた高強度鋼線

Also Published As

Publication number Publication date
JPH11140589A (ja) 1999-05-25
DE69816859T2 (de) 2004-05-13
US6627005B1 (en) 2003-09-30
WO1999024630A1 (fr) 1999-05-20
JP3859331B2 (ja) 2006-12-20
EP1036851B1 (de) 2003-07-30
EP1036851A1 (de) 2000-09-20
EP1036851A4 (de) 2001-01-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SUMITOMO (SEI) STEEL WIRE CORP., ITAMI, HYOGO, JP