EP2546379A4 - Acier à haute résistance et boulon à haute résistance dotés d'une excellente résistance à la rupture différée et leur procédé de fabrication - Google Patents

Acier à haute résistance et boulon à haute résistance dotés d'une excellente résistance à la rupture différée et leur procédé de fabrication

Info

Publication number
EP2546379A4
EP2546379A4 EP11753527.8A EP11753527A EP2546379A4 EP 2546379 A4 EP2546379 A4 EP 2546379A4 EP 11753527 A EP11753527 A EP 11753527A EP 2546379 A4 EP2546379 A4 EP 2546379A4
Authority
EP
European Patent Office
Prior art keywords
manufacturing
strength
method therefor
excellent resistance
delayed fracture
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
EP11753527.8A
Other languages
German (de)
English (en)
Other versions
EP2546379A1 (fr
EP2546379B1 (fr
Inventor
Daisuke Hirakami
Tetsushi Chida
Toshimi Tarui
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 Corp
Original Assignee
Nippon Steel and Sumitomo Metal 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 Steel and Sumitomo Metal Corp filed Critical Nippon Steel and Sumitomo Metal Corp
Publication of EP2546379A1 publication Critical patent/EP2546379A1/fr
Publication of EP2546379A4 publication Critical patent/EP2546379A4/fr
Application granted granted Critical
Publication of EP2546379B1 publication Critical patent/EP2546379B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0093—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for screws; for bolts
    • 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
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • 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
    • 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
    • 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
    • C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with 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
    • 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
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
    • 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
    • C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
    • 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
    • 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
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
    • 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
    • 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
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
    • C22C38/40—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
    • 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
    • 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
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/24—Nitriding
    • C23C8/26—Nitriding of ferrous surfaces
    • 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
    • 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
    • C21D2221/00—Treating localised areas of an article
    • C21D2221/10—Differential treatment of inner with respect to outer regions, e.g. core and periphery, respectively

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Heat Treatment Of Articles (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Laminated Bodies (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
EP20110753527 2010-03-11 2011-03-11 Acier à haute résistance et boulon à haute résistance dotés d'une excellente résistance à la rupture différée et leur procédé de fabrication Not-in-force EP2546379B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010054649 2010-03-11
PCT/JP2011/056481 WO2011111872A1 (fr) 2010-03-11 2011-03-11 Acier à haute résistance et boulon à haute résistance dotés d'une excellente résistance à la rupture différée et leur procédé de fabrication

Publications (3)

Publication Number Publication Date
EP2546379A1 EP2546379A1 (fr) 2013-01-16
EP2546379A4 true EP2546379A4 (fr) 2013-08-07
EP2546379B1 EP2546379B1 (fr) 2015-04-29

Family

ID=44563661

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20110753527 Not-in-force EP2546379B1 (fr) 2010-03-11 2011-03-11 Acier à haute résistance et boulon à haute résistance dotés d'une excellente résistance à la rupture différée et leur procédé de fabrication

Country Status (7)

Country Link
US (1) US20120247618A1 (fr)
EP (1) EP2546379B1 (fr)
JP (1) JP5177323B2 (fr)
KR (1) KR101366375B1 (fr)
CN (1) CN102812145A (fr)
IN (1) IN2012DN05089A (fr)
WO (1) WO2011111872A1 (fr)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103403212B (zh) * 2011-02-23 2015-08-26 同和热处理技术株式会社 渗氮钢构件及其制造方法
US20130284319A1 (en) * 2012-04-27 2013-10-31 Paul M. Novotny High Strength, High Toughness Steel Alloy
CA2872854C (fr) * 2012-06-20 2017-08-29 Nippon Steel & Sumitomo Metal Corporation Acier pour tuyaux de puits de petrole et son procede de production
CN104781440B (zh) * 2012-11-05 2018-04-17 新日铁住金株式会社 抗硫化物应力裂纹性优异的低合金油井管用钢及低合金油井管用钢的制造方法
CN102943210B (zh) * 2012-11-09 2015-02-04 谢亚平 一种高强度螺栓及其加工方法
KR20140121229A (ko) * 2013-04-05 2014-10-15 태양금속공업주식회사 인장강도가 우수한 고강도 볼트의 제조방법
EP3006586B1 (fr) 2013-06-07 2019-07-31 Nippon Steel Corporation Matériau d'acier traité thermiquement et son procédé de production
NL2011269C2 (en) * 2013-08-05 2015-02-09 Onderzoekscentrum Voor Aanwending Van Staal N V Structure for use in a corrosive environment.
JP6422176B2 (ja) * 2014-08-29 2018-11-14 日産自動車株式会社 高強度ボルト用鋼及び高強度ボルト
CN104313492B (zh) * 2014-11-07 2017-04-12 广东鼎耀工程技术有限公司 一种具有高强度韧性的pc钢棒及其热处理方法
DE102014017275A1 (de) * 2014-11-18 2016-05-19 Salzgitter Flachstahl Gmbh Hochfester lufthärtender Mehrphasenstahl mit hervorragenden Verarbeitungseigenschaften und Verfahren zur Herstellung eines Bandes aus diesem Stahl
KR102062733B1 (ko) * 2015-06-29 2020-01-06 닛폰세이테츠 가부시키가이샤 볼트
CN105861919A (zh) * 2016-06-14 2016-08-17 江苏永昊高强度螺栓有限公司 高强度螺栓的生产工艺
CN108699650B (zh) * 2016-07-05 2020-01-14 日本制铁株式会社 轧制线材
CN106521316B (zh) * 2016-11-15 2018-08-07 江阴兴澄特种钢铁有限公司 一种紧固件用高淬透性中碳低合金圆钢及其制造方法
CN106756516B (zh) * 2017-02-07 2018-06-08 和县隆盛精密机械有限公司 一种适用于机械臂锁紧螺栓的合金铸件及其铸造工艺
CN107058705A (zh) * 2017-02-17 2017-08-18 江苏佳杰特种螺钉有限公司 一种应用在高铁上的紧固件的生产工艺
RU2635641C1 (ru) * 2017-03-28 2017-11-14 Юлия Алексеевна Щепочкина Литейная сталь
JP6447799B1 (ja) * 2017-06-15 2019-01-09 新日鐵住金株式会社 ばね鋼用圧延線材
CN107513664A (zh) * 2017-07-10 2017-12-26 安徽长江紧固件有限责任公司 一种扭剪型高强度螺栓及其加工工艺
CN107604243B (zh) * 2017-08-09 2019-10-08 宁波市镇海甬鼎紧固件制造有限公司 一种高强度螺栓材料及其制备方法
JP2019124481A (ja) * 2018-01-12 2019-07-25 株式会社神戸製鋼所 残留応力測定方法
MX2020007755A (es) * 2018-01-30 2020-09-24 Nissan Motor Perno y estructura fijada.
JP7134411B2 (ja) * 2018-01-30 2022-09-12 日産自動車株式会社 ボルト
CN109266964B (zh) * 2018-10-25 2021-03-05 青岛天赢智能工业股份有限公司 一种钢锻件生产加工工艺
JP7479794B2 (ja) * 2019-04-16 2024-05-09 高周波熱錬株式会社 耐遅れ破壊特性に優れたｐｃ鋼材及びその製造方法
JP7164032B2 (ja) * 2019-05-14 2022-11-01 日本製鉄株式会社 ボルト、及びボルト用鋼材
JP7464832B2 (ja) 2019-05-14 2024-04-10 日本製鉄株式会社 ボルト、及びボルト用鋼材
JP7360060B2 (ja) * 2019-11-26 2023-10-12 日本製鉄株式会社 鋼及び軸受
CN113322410B (zh) * 2020-02-28 2022-06-28 宝山钢铁股份有限公司 一种耐延迟断裂性能优异的高强度螺栓用钢及其制备方法
CN111931309B (zh) * 2020-08-24 2022-09-09 长江水利委员会长江科学院 一种锚杆/锚索结构拉伸硬化软化断裂模拟的方法
CN112795854A (zh) * 2020-12-23 2021-05-14 石家庄钢铁有限责任公司 高强度紧固件螺栓用钢及其生产方法
CN115433871B (zh) * 2021-06-02 2023-07-07 宝山钢铁股份有限公司 一种耐氢脆延迟断裂的高强度钢及其制造方法
CN114058974B (zh) * 2021-11-30 2022-09-13 马鞍山钢铁股份有限公司 一种15.9级耐腐蚀高强度螺栓用钢及其生产方法和热处理方法
CN115386803B (zh) * 2022-08-31 2023-07-25 马鞍山钢铁股份有限公司 一种高强韧性风电螺栓用非调质钢及其生产方法
CN116445829B (zh) * 2023-06-16 2023-09-08 中国矿业大学(北京) 一种抗腐蚀锚杆及其生产工艺

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6017641A (en) * 1997-03-12 2000-01-25 Chuo Hatsujo Kabshiki Kaisha Coil spring resistive to delayed fracture and manufacturing method of the same
JP2000337332A (ja) * 2000-01-01 2000-12-05 Kobe Steel Ltd 耐遅れ破壊性に優れた高強度ボルト
JP2000337334A (ja) * 2000-01-01 2000-12-05 Kobe Steel Ltd 耐遅れ破壊性に優れた高強度ボルト
JP2003113444A (ja) * 2001-10-05 2003-04-18 Kobe Steel Ltd 高強度非調質アプセットボルト用線材およびその製造方法並びに高強度非調質アプセットボルトの製造方法
JP2009299180A (ja) * 2008-05-13 2009-12-24 Nippon Steel Corp 耐遅れ破壊特性に優れた高強度鋼材、高強度ボルト及びその製造方法
JP2009299181A (ja) * 2008-05-13 2009-12-24 Nippon Steel Corp 耐遅れ破壊特性に優れた高強度鋼材、高強度ボルト及びその製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08165557A (ja) * 1994-12-13 1996-06-25 Sumitomo Metal Ind Ltd 耐ピッチング性軟窒化歯車の製造方法
JPH10141341A (ja) * 1996-11-13 1998-05-26 Nkk Corp 遅れ破壊特性に優れた高強度ボルト
JPH10226817A (ja) * 1996-12-11 1998-08-25 Sumitomo Metal Ind Ltd 軟窒化用鋼材の製造方法及びその鋼材を用いた軟窒化部品

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6017641A (en) * 1997-03-12 2000-01-25 Chuo Hatsujo Kabshiki Kaisha Coil spring resistive to delayed fracture and manufacturing method of the same
JP2000337332A (ja) * 2000-01-01 2000-12-05 Kobe Steel Ltd 耐遅れ破壊性に優れた高強度ボルト
JP2000337334A (ja) * 2000-01-01 2000-12-05 Kobe Steel Ltd 耐遅れ破壊性に優れた高強度ボルト
JP2003113444A (ja) * 2001-10-05 2003-04-18 Kobe Steel Ltd 高強度非調質アプセットボルト用線材およびその製造方法並びに高強度非調質アプセットボルトの製造方法
JP2009299180A (ja) * 2008-05-13 2009-12-24 Nippon Steel Corp 耐遅れ破壊特性に優れた高強度鋼材、高強度ボルト及びその製造方法
JP2009299181A (ja) * 2008-05-13 2009-12-24 Nippon Steel Corp 耐遅れ破壊特性に優れた高強度鋼材、高強度ボルト及びその製造方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2011111872A1 *

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KR101366375B1 (ko) 2014-02-24
KR20120056879A (ko) 2012-06-04
US20120247618A1 (en) 2012-10-04
EP2546379A1 (fr) 2013-01-16
CN102812145A (zh) 2012-12-05
EP2546379B1 (fr) 2015-04-29
IN2012DN05089A (fr) 2015-10-09
JPWO2011111872A1 (ja) 2013-06-27
WO2011111872A1 (fr) 2011-09-15
JP5177323B2 (ja) 2013-04-03

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