MX371408B - Alambre de acero para muelles de alta tenacidad con excelente resistencia a fragilidad por hidrogeno, proceso de fabricacion del mismo y muelle de alta tenacidad. - Google Patents
Alambre de acero para muelles de alta tenacidad con excelente resistencia a fragilidad por hidrogeno, proceso de fabricacion del mismo y muelle de alta tenacidad.Info
- Publication number
- MX371408B MX371408B MX2015006912A MX2015006912A MX371408B MX 371408 B MX371408 B MX 371408B MX 2015006912 A MX2015006912 A MX 2015006912A MX 2015006912 A MX2015006912 A MX 2015006912A MX 371408 B MX371408 B MX 371408B
- Authority
- MX
- Mexico
- Prior art keywords
- steel wire
- wire rod
- strength spring
- embrittlement resistance
- hydrogen embrittlement
- Prior art date
Links
Classifications
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- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
- C21D1/42—Induction heating
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- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
- C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
- C21D1/22—Martempering
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- 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
- C21D6/001—Heat treatment of ferrous alloys containing Ni
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- 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
- C21D6/002—Heat treatment of ferrous alloys containing Cr
-
- 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
- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
-
- 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
- C21D6/005—Heat treatment of ferrous alloys containing Mn
-
- 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
- C21D6/008—Heat treatment of ferrous alloys containing Si
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- 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
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- 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
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- 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
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- 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
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/60—Continuous furnaces for strip or wire with induction heating
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- 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
-
- 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
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
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- 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
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- 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
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- 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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- 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
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
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- 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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
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- 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
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
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- 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
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- 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
-
- 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
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- 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
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
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- 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
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/021—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant characterised by their composition, e.g. comprising materials providing for particular spring properties
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/008—Martensite
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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
Se proporciona un alambre de acero para muelles de alta tenacidad que asegura una excelente resistencia a fragilidad por hidrógeno incluso cuando se suprime la cantidad de adición de elementos de aleación, y tiene un 80 % de área o mayor de martensita revenida y 1.900 MPa o mayor de resistencia a la tracción, en el que se satisface una composición química predetermina, satisfaciendo C y Si la relación de la expresión (1) a continuación, siendo el número de tamaño de grano de austenita previo del N° 10 o mayor, y siendo la cantidad de absorción de hidrógeno de 14,0 ppm o mayor. 0,73 % = [C]+[Si]/8 = 0,90 % ··· (1) donde [C] y [Si] expresan el contenido (% en masa) de C y Si respectivamente.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012279437A JP5973903B2 (ja) | 2012-12-21 | 2012-12-21 | 耐水素脆性に優れた高強度ばね用鋼線およびその製造方法並びに高強度ばね |
PCT/JP2013/082380 WO2014097872A1 (ja) | 2012-12-21 | 2013-12-02 | 耐水素脆性に優れた高強度ばね用鋼線材およびその製造方法並びに高強度ばね |
Publications (2)
Publication Number | Publication Date |
---|---|
MX2015006912A MX2015006912A (es) | 2015-09-16 |
MX371408B true MX371408B (es) | 2020-01-29 |
Family
ID=50978208
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2015006912A MX371408B (es) | 2012-12-21 | 2013-12-02 | Alambre de acero para muelles de alta tenacidad con excelente resistencia a fragilidad por hidrogeno, proceso de fabricacion del mismo y muelle de alta tenacidad. |
Country Status (8)
Country | Link |
---|---|
US (1) | US9970072B2 (es) |
EP (1) | EP2937434B1 (es) |
JP (1) | JP5973903B2 (es) |
KR (1) | KR101768785B1 (es) |
CN (1) | CN104797729B (es) |
MX (1) | MX371408B (es) |
TW (1) | TWI551693B (es) |
WO (1) | WO2014097872A1 (es) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10557388B2 (en) * | 2015-01-26 | 2020-02-11 | Daido Steel Co., Ltd. | Engine exhaust valve for large ship and method for manufacturing the same |
CN107709597B (zh) * | 2015-07-27 | 2019-08-27 | 日本制铁株式会社 | 悬架弹簧用钢及其制造方法 |
WO2017122828A1 (ja) * | 2016-01-15 | 2017-07-20 | 株式会社神戸製鋼所 | 高強度ばね用圧延材 |
WO2017122827A1 (ja) * | 2016-01-15 | 2017-07-20 | 株式会社神戸製鋼所 | 高強度ばね用ワイヤおよびその製造方法 |
CN106048451A (zh) * | 2016-07-06 | 2016-10-26 | 安徽红桥金属制造有限公司 | 一种耐磨损合金弹簧钢及其热处理工艺 |
CN106011634A (zh) * | 2016-07-26 | 2016-10-12 | 路望培 | 一种弹簧机械材料及其制备方法 |
KR101867689B1 (ko) * | 2016-09-01 | 2018-06-15 | 주식회사 포스코 | 수소취성 저항성이 우수한 고강도 스프링용 강재 및 그 제조방법 |
KR101867709B1 (ko) * | 2016-12-06 | 2018-06-14 | 주식회사 포스코 | 부식피로 저항성이 우수한 스프링용 선재, 강선 및 그들의 제조방법 |
KR101940873B1 (ko) * | 2016-12-22 | 2019-01-21 | 주식회사 포스코 | 인성이 우수한 선재, 강선 및 그 제조 방법 |
KR20180074008A (ko) * | 2016-12-23 | 2018-07-03 | 주식회사 포스코 | 수소취성 저항성이 우수한 고강도 스프링용 강재 및 그 제조방법 |
KR20200004407A (ko) * | 2017-06-15 | 2020-01-13 | 닛폰세이테츠 가부시키가이샤 | 스프링강용 압연 선재 |
CN109972038B (zh) * | 2019-04-01 | 2021-07-20 | 宝钢特钢韶关有限公司 | 一种超深井钻杆接头用钢及其制造方法 |
KR102355675B1 (ko) * | 2019-07-12 | 2022-01-27 | 주식회사 포스코 | 고강도 스프링용 선재, 강선 및 그 제조방법 |
CN111979388A (zh) * | 2020-07-28 | 2020-11-24 | 常州龙腾光热科技股份有限公司 | 槽式太阳能集热器65Mn弹簧板制造方法 |
KR102531464B1 (ko) * | 2020-12-18 | 2023-05-12 | 주식회사 포스코 | 초고강도 스프링용 선재, 강선 및 그 제조방법 |
CN115074627A (zh) * | 2022-06-28 | 2022-09-20 | 南京钢铁股份有限公司 | 一种卷尺用弹簧钢带及其制备方法 |
CN118007025B (zh) * | 2024-04-09 | 2024-06-28 | 江苏永钢集团有限公司 | 一种热轧无铬低强高塑性弹簧钢盘条及其生产工艺 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3817105B2 (ja) | 2000-02-23 | 2006-08-30 | 新日本製鐵株式会社 | 疲労特性の優れた高強度鋼およびその製造方法 |
JP3934303B2 (ja) | 2000-03-31 | 2007-06-20 | 株式会社神戸製鋼所 | 高強度マルテンサイト鋼の製造方法 |
JP3749656B2 (ja) | 2000-09-19 | 2006-03-01 | 株式会社神戸製鋼所 | 靭性に優れた鋼材 |
EP1347069B1 (en) | 2000-12-20 | 2007-11-07 | Nippon Steel Corporation | High-strength spring steel and spring steel wire |
JP3971571B2 (ja) * | 2000-12-20 | 2007-09-05 | 新日本製鐵株式会社 | 高強度ばね用鋼線 |
JP2002212665A (ja) | 2001-01-11 | 2002-07-31 | Kobe Steel Ltd | 高強度高靭性鋼 |
JP2003003241A (ja) * | 2001-06-26 | 2003-01-08 | Nippon Steel Corp | 高強度ばね用鋼線 |
JP3764715B2 (ja) | 2002-10-22 | 2006-04-12 | 新日本製鐵株式会社 | 高強度冷間成形ばね用鋼線とその製造方法 |
EP1820869B1 (en) * | 2004-11-30 | 2015-10-07 | Nippon Steel & Sumitomo Metal Corporation | Spring-use heat treated steel wire |
JP4555768B2 (ja) | 2004-11-30 | 2010-10-06 | 新日本製鐵株式会社 | 高強度ばね用鋼線 |
JP4476863B2 (ja) | 2005-04-11 | 2010-06-09 | 株式会社神戸製鋼所 | 耐食性に優れた冷間成形ばね用鋼線 |
JP4423254B2 (ja) | 2005-12-02 | 2010-03-03 | 株式会社神戸製鋼所 | コイリング性と耐水素脆化特性に優れた高強度ばね鋼線 |
JP4027956B2 (ja) | 2006-01-23 | 2007-12-26 | 株式会社神戸製鋼所 | 耐脆性破壊特性に優れた高強度ばね鋼およびその製造方法 |
CN101484601B (zh) * | 2006-05-10 | 2012-07-25 | 住友金属工业株式会社 | 热挤压成形钢板构件及其制造方法 |
JP5353161B2 (ja) | 2008-03-27 | 2013-11-27 | Jfeスチール株式会社 | 耐遅れ破壊特性に優れた高強度ばね用鋼およびその製造方法 |
US8328169B2 (en) | 2009-09-29 | 2012-12-11 | Chuo Hatsujo Kabushiki Kaisha | Spring steel and spring having superior corrosion fatigue strength |
JP5653022B2 (ja) | 2009-09-29 | 2015-01-14 | 中央発條株式会社 | 腐食疲労強度に優れるばね用鋼、及びばね |
JP4900516B2 (ja) | 2010-03-29 | 2012-03-21 | Jfeスチール株式会社 | ばね鋼およびその製造方法 |
JP5711539B2 (ja) * | 2011-01-06 | 2015-05-07 | 中央発條株式会社 | 腐食疲労強度に優れるばね |
JP5364859B1 (ja) | 2012-05-31 | 2013-12-11 | 株式会社神戸製鋼所 | コイリング性と耐水素脆性に優れた高強度ばね用鋼線およびその製造方法 |
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2012
- 2012-12-21 JP JP2012279437A patent/JP5973903B2/ja not_active Expired - Fee Related
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2013
- 2013-12-02 WO PCT/JP2013/082380 patent/WO2014097872A1/ja active Application Filing
- 2013-12-02 EP EP13864637.7A patent/EP2937434B1/en not_active Not-in-force
- 2013-12-02 MX MX2015006912A patent/MX371408B/es active IP Right Grant
- 2013-12-02 KR KR1020157015364A patent/KR101768785B1/ko active IP Right Grant
- 2013-12-02 US US14/439,864 patent/US9970072B2/en not_active Expired - Fee Related
- 2013-12-02 CN CN201380060180.6A patent/CN104797729B/zh not_active Expired - Fee Related
- 2013-12-12 TW TW102145881A patent/TWI551693B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
TW201441382A (zh) | 2014-11-01 |
MX2015006912A (es) | 2015-09-16 |
TWI551693B (zh) | 2016-10-01 |
JP2014122393A (ja) | 2014-07-03 |
CN104797729A (zh) | 2015-07-22 |
US20150292052A1 (en) | 2015-10-15 |
EP2937434B1 (en) | 2019-02-20 |
JP5973903B2 (ja) | 2016-08-23 |
EP2937434A1 (en) | 2015-10-28 |
US9970072B2 (en) | 2018-05-15 |
KR101768785B1 (ko) | 2017-08-17 |
CN104797729B (zh) | 2018-01-02 |
WO2014097872A1 (ja) | 2014-06-26 |
KR20150081366A (ko) | 2015-07-13 |
EP2937434A4 (en) | 2017-01-04 |
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