BRPI1011986A2 - trilho de aço com alto teor de carbono com base em perlita tendo excelente ductilidade e processo para a produção deste - Google Patents

trilho de aço com alto teor de carbono com base em perlita tendo excelente ductilidade e processo para a produção deste

Info

Publication number
BRPI1011986A2
BRPI1011986A2 BRPI1011986A BRPI1011986A BRPI1011986A2 BR PI1011986 A2 BRPI1011986 A2 BR PI1011986A2 BR PI1011986 A BRPI1011986 A BR PI1011986A BR PI1011986 A BRPI1011986 A BR PI1011986A BR PI1011986 A2 BRPI1011986 A2 BR PI1011986A2
Authority
BR
Brazil
Prior art keywords
producing
carbon steel
high carbon
steel rail
based high
Prior art date
Application number
BRPI1011986A
Other languages
English (en)
Inventor
Masaharu Ueda
Suguru Yoshida
Teruhisa Miyazaki
Original Assignee
Nippon 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=43386238&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BRPI1011986(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of BRPI1011986A2 publication Critical patent/BRPI1011986A2/pt

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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • 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
    • C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—Hot rolling
    • 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
    • C21D9/04—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rails
    • 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
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • 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
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • 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
    • 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
    • C21D2211/009—Pearlite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
BRPI1011986A 2009-06-26 2010-04-14 trilho de aço com alto teor de carbono com base em perlita tendo excelente ductilidade e processo para a produção deste BRPI1011986A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009151774 2009-06-26
PCT/JP2010/002708 WO2010150448A1 (ja) 2009-06-26 2010-04-14 延性に優れたパーライト系高炭素鋼レール及びその製造方法

Publications (1)

Publication Number Publication Date
BRPI1011986A2 true BRPI1011986A2 (pt) 2016-04-26

Family

ID=43386238

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI1011986A BRPI1011986A2 (pt) 2009-06-26 2010-04-14 trilho de aço com alto teor de carbono com base em perlita tendo excelente ductilidade e processo para a produção deste

Country Status (12)

Country Link
US (1) US8747576B2 (pt)
EP (1) EP2447383B1 (pt)
JP (1) JP4635115B1 (pt)
KR (1) KR101368514B1 (pt)
CN (1) CN102803536B (pt)
AU (1) AU2010264015B2 (pt)
BR (1) BRPI1011986A2 (pt)
CA (1) CA2764769C (pt)
ES (1) ES2716881T3 (pt)
PL (1) PL2447383T3 (pt)
RU (1) RU2488643C1 (pt)
WO (1) WO2010150448A1 (pt)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2343390B1 (en) * 2008-10-31 2015-08-19 Nippon Steel & Sumitomo Metal Corporation Pearlite rail having superior abrasion resistance and excellent toughness
US8469284B2 (en) 2009-02-18 2013-06-25 Nippon Steel & Sumitomo Metal Corporation Pearlitic rail with excellent wear resistance and toughness
WO2010150448A1 (ja) 2009-06-26 2010-12-29 新日本製鐵株式会社 延性に優れたパーライト系高炭素鋼レール及びその製造方法
JP5867262B2 (ja) * 2012-04-23 2016-02-24 新日鐵住金株式会社 耐遅れ破壊特性に優れたレール
CN103627955B (zh) * 2013-11-25 2016-01-13 内蒙古包钢钢联股份有限公司 高碳耐磨球料用钢及其生产方法
US9670570B2 (en) 2014-04-17 2017-06-06 Evraz Inc. Na Canada High carbon steel rail with enhanced ductility
JP6683414B2 (ja) * 2014-09-03 2020-04-22 日本製鉄株式会社 延性に優れたパーライト系高炭素鋼レール及びその製造方法
CN105177431B (zh) * 2015-10-30 2017-08-25 攀钢集团攀枝花钢铁研究院有限公司 一种重载钢轨及其生产方法
EP3778961B1 (en) * 2018-03-30 2022-03-09 JFE Steel Corporation Rail and method for manufacturing same
CA3095559C (en) 2018-03-30 2022-10-04 Jfe Steel Corporation Rail
AT521405B1 (de) * 2018-07-10 2021-09-15 Voestalpine Schienen Gmbh Gleisteil aus einem hypereutektoiden Stahl
CN112639149B (zh) * 2018-09-10 2022-03-25 日本制铁株式会社 钢轨以及钢轨的制造方法
US20230250505A1 (en) * 2019-10-11 2023-08-10 Jfe Steel Corporation Rail and method for producing the same
CN112359195A (zh) * 2020-10-21 2021-02-12 攀钢集团攀枝花钢铁研究院有限公司 一种优化钢轨焊接接头显微组织的方法

Family Cites Families (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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JPH0730401B2 (ja) 1986-11-17 1995-04-05 日本鋼管株式会社 靭性の優れた高強度レ−ルの製造方法
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JPH05263121A (ja) 1992-03-19 1993-10-12 Nippon Steel Corp 高炭素高清浄溶鋼の製造方法
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JP2001020040A (ja) 1999-07-08 2001-01-23 Nippon Steel Corp 耐摩耗性、耐内部疲労損傷性に優れたパーライト系レールおよびその製造法
JP2001220651A (ja) 2000-02-08 2001-08-14 Nkk Corp 耐ヘビーシェリング損傷性に優れたレール
JP2001234238A (ja) 2000-02-18 2001-08-28 Nippon Steel Corp 高耐摩耗・高靭性レールの製造方法
JP2002226915A (ja) * 2001-02-01 2002-08-14 Nippon Steel Corp 高耐摩耗・高靭性レールの製造方法
JP3769218B2 (ja) 2001-04-04 2006-04-19 新日本製鐵株式会社 耐摩耗性および延性に優れた低偏析性パーライト系レール
JP4767431B2 (ja) 2001-04-09 2011-09-07 新日本製鐵株式会社 耐摩耗性と靭性に優れたパーライト系レール
JP4571759B2 (ja) 2001-06-01 2010-10-27 新日本製鐵株式会社 パーライト系レールおよびその製造方法
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JP2003105499A (ja) * 2001-09-28 2003-04-09 Nippon Steel Corp 靭性および延性に優れたパーライト系レールおよびその製造方法
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JP4061141B2 (ja) 2002-07-10 2008-03-12 新日本製鐵株式会社 延靭性に優れたパーライト系高強度レールおよびその製造方法
JP3764710B2 (ja) 2002-08-20 2006-04-12 新日本製鐵株式会社 靭性および延性に優れたパーライト系レールの製造方法
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JP4469248B2 (ja) 2004-03-09 2010-05-26 新日本製鐵株式会社 耐摩耗性および延性に優れた高炭素鋼レールの製造方法
JP2005350723A (ja) 2004-06-10 2005-12-22 Nippon Steel Corp 耐折損性に優れるパーライトレール
JP4568190B2 (ja) 2004-09-22 2010-10-27 新日本製鐵株式会社 無方向性電磁鋼板
JP4828109B2 (ja) 2004-10-15 2011-11-30 新日本製鐵株式会社 パーライト系鋼レール
RU2295587C1 (ru) 2005-07-04 2007-03-20 Открытое акционерное общество "Новокузнецкий металлургический комбинат" Рельсовая сталь
JP4736790B2 (ja) 2005-12-22 2011-07-27 Ｊｆｅスチール株式会社 高強度パーライト系レールおよびその製造方法
CN100519812C (zh) 2005-12-29 2009-07-29 攀枝花钢铁(集团)公司 珠光体类高强度低合金钢轨钢的生产方法
EP3072988B1 (en) * 2006-03-16 2018-05-09 JFE Steel Corporation High-strength pearlitic steel rail having excellent delayed fracture properties
JP4964489B2 (ja) 2006-04-20 2012-06-27 新日本製鐵株式会社 耐摩耗性および延性に優れたパーライト系レールの製造方法
CN100462468C (zh) 2006-07-06 2009-02-18 西安交通大学 一种超细珠光体高强度轨道钢及其制备方法
JP2008013811A (ja) 2006-07-06 2008-01-24 Nippon Steel Corp 靭性および延性に優れたパーライト系レールの製造方法
JP5145795B2 (ja) 2006-07-24 2013-02-20 新日鐵住金株式会社 耐摩耗性および延性に優れたパーライト系レールの製造方法
JP2008050684A (ja) 2006-07-27 2008-03-06 Jfe Steel Kk 耐遅れ破壊特性に優れる高強度パーライト系鋼レール
CN101646795B (zh) 2007-03-28 2011-04-27 杰富意钢铁株式会社 耐磨损性和耐疲劳损伤性优良的内部高硬度型珠光体钢轨及其制造方法
EP2343390B1 (en) 2008-10-31 2015-08-19 Nippon Steel & Sumitomo Metal Corporation Pearlite rail having superior abrasion resistance and excellent toughness
US8469284B2 (en) 2009-02-18 2013-06-25 Nippon Steel & Sumitomo Metal Corporation Pearlitic rail with excellent wear resistance and toughness
WO2010150448A1 (ja) 2009-06-26 2010-12-29 新日本製鐵株式会社 延性に優れたパーライト系高炭素鋼レール及びその製造方法
US8361246B2 (en) 2009-08-18 2013-01-29 Nippon Steel Corporation Pearlite rail

Also Published As

Publication number Publication date
ES2716881T3 (es) 2019-06-17
CN102803536A (zh) 2012-11-28
JPWO2010150448A1 (ja) 2012-12-06
EP2447383A4 (en) 2017-06-07
CA2764769C (en) 2015-08-25
US20120087825A1 (en) 2012-04-12
WO2010150448A1 (ja) 2010-12-29
RU2488643C1 (ru) 2013-07-27
EP2447383B1 (en) 2018-12-19
AU2010264015A1 (en) 2012-01-19
AU2010264015B2 (en) 2015-08-20
CN102803536B (zh) 2015-01-28
CA2764769A1 (en) 2010-12-29
KR20120026555A (ko) 2012-03-19
EP2447383A1 (en) 2012-05-02
US8747576B2 (en) 2014-06-10
KR101368514B1 (ko) 2014-02-28
PL2447383T3 (pl) 2019-05-31
JP4635115B1 (ja) 2011-02-23

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Legal Events

Date Code Title Description
B25D Requested change of name of applicant approved

Owner name: NIPPON STEEL AND SUMITOMO METAL CORPORATION (JP)

B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B12B Appeal against refusal [chapter 12.2 patent gazette]
B25D Requested change of name of applicant approved

Owner name: NIPPON STEEL CORPORATION (JP)