BR112017014991A2 - trilho - Google Patents

trilho

Info

Publication number
BR112017014991A2
BR112017014991A2 BR112017014991-5A BR112017014991A BR112017014991A2 BR 112017014991 A2 BR112017014991 A2 BR 112017014991A2 BR 112017014991 A BR112017014991 A BR 112017014991A BR 112017014991 A2 BR112017014991 A2 BR 112017014991A2
Authority
BR
Brazil
Prior art keywords
section
surface hardness
skate
rail
skid
Prior art date
Application number
BR112017014991-5A
Other languages
English (en)
Japanese (ja)
Inventor
Ueda Masaharu
Yamamoto Takeshi
Miyazaki Teruhisa
Original Assignee
Nippon Steel & Sumitomo Metal Corporation
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 & Sumitomo Metal Corporation filed Critical Nippon Steel & Sumitomo Metal Corporation
Publication of BR112017014991A2 publication Critical patent/BR112017014991A2/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
    • 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
    • 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
    • C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
    • C22C38/105—Ferrous alloys, e.g. steel alloys containing cobalt containing Co and Ni
    • 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
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B5/00—Rails; Guard rails; Distance-keeping means for them
    • E01B5/02—Rails
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
  • Heat Treatment Of Steel (AREA)

Abstract

a presente invenção refere-se a um trilho que tem uma composição química predeterminada. pelo menos 90% da estrutura metalográfica a partir da superfície externa do inferior do trilho até uma profundidade de 5 mm é estrutura de perlita. a dureza de superfície hc da seção central inferior de patim é 360 a 500 hv, e a dureza de superfície he da seção frontal de patim é 260 a 315 hv. hc, he, e a dureza de superfície hm de uma seção intermediária localizada entre a seção central inferior de patim e a seção frontal de patim satisfaz hc=hm=he.
BR112017014991-5A 2015-01-23 2016-01-22 trilho BR112017014991A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2015011007 2015-01-23
JP2015-011007 2015-01-23
PCT/JP2016/051890 WO2016117692A1 (ja) 2015-01-23 2016-01-22 レール

Publications (1)

Publication Number Publication Date
BR112017014991A2 true BR112017014991A2 (pt) 2018-03-20

Family

ID=56417222

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017014991-5A BR112017014991A2 (pt) 2015-01-23 2016-01-22 trilho

Country Status (11)

Country Link
US (1) US10047411B2 (pt)
EP (1) EP3249070B1 (pt)
JP (1) JP6354862B2 (pt)
CN (1) CN107208216B (pt)
AU (1) AU2016210110B2 (pt)
BR (1) BR112017014991A2 (pt)
CA (1) CA2973858C (pt)
ES (1) ES2794621T3 (pt)
PL (1) PL3249070T3 (pt)
RU (1) RU2676374C1 (pt)
WO (1) WO2016117692A1 (pt)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015182743A1 (ja) * 2014-05-29 2015-12-03 新日鐵住金株式会社 レールおよびその製造方法
RU2650945C1 (ru) * 2017-12-19 2018-04-18 Юлия Алексеевна Щепочкина Сталь
US11566307B2 (en) 2018-03-30 2023-01-31 Jfe Steel Corporation Rail
CA3123335C (en) * 2018-12-20 2023-08-29 Arcelormittal Method of making a tee rail having a high strength base
EP3940090A4 (en) * 2019-03-15 2022-10-26 Nippon Steel Corporation RAIL
CN111719083B (zh) * 2020-06-11 2021-07-06 武汉钢铁有限公司 抗氯离子腐蚀的钢轨及制备方法
JP7522985B1 (ja) 2023-03-24 2024-07-26 Ｊｆｅスチール株式会社 レールおよびその製造方法
WO2024202406A1 (ja) * 2023-03-24 2024-10-03 Ｊｆｅスチール株式会社 レール及びその製造方法
WO2024202405A1 (ja) * 2023-03-24 2024-10-03 Ｊｆｅスチール株式会社 レールおよびその製造方法
WO2024202408A1 (ja) * 2023-03-24 2024-10-03 Ｊｆｅスチール株式会社 レール及びその製造方法
JP7522984B1 (ja) 2023-03-24 2024-07-26 Ｊｆｅスチール株式会社 レールおよびその製造方法
WO2024202407A1 (ja) * 2023-03-24 2024-10-03 Ｊｆｅスチール株式会社 レールおよびその製造方法

Family Cites Families (25)

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JPS477606Y1 (pt) 1969-04-11 1972-03-22
FR2109121A5 (pt) * 1970-10-02 1972-05-26 Wendel Sidelor
JPS57198216A (en) 1981-05-27 1982-12-04 Nippon Kokan Kk <Nkk> Manufacture of high-strength rail
US4486248A (en) * 1982-08-05 1984-12-04 The Algoma Steel Corporation Limited Method for the production of improved railway rails by accelerated cooling in line with the production rolling mill
JP2601670B2 (ja) 1987-11-27 1997-04-16 新日本製鐵株式会社 耐落重特性に優れた鋼レールの熱処理方法
US4895605A (en) * 1988-08-19 1990-01-23 Algoma Steel Corporation Method for the manufacture of hardened railroad rails
JP2898371B2 (ja) 1990-07-19 1999-05-31 和泉電気株式会社 レーザ干渉装置
JPH0617193A (ja) * 1990-07-30 1994-01-25 Burlington Northern Railroad Co 高強度・耐損傷レ−ル及びその製造方法
JPH04202626A (ja) 1990-11-30 1992-07-23 Nippon Steel Corp 耐落重特性に優れた鋼レールの製造方法
AT399346B (de) 1992-07-15 1995-04-25 Voest Alpine Schienen Gmbh Verfahren zum w[rmebehandeln von schienen
JP3078461B2 (ja) 1994-11-15 2000-08-21 新日本製鐵株式会社 高耐摩耗パーライト系レール
WO2003085149A1 (fr) * 2002-04-05 2003-10-16 Nippon Steel Corporation Rail a base de perlite ayant une excellente resistance a l'usure et une excellente ductilite et procede de production de ce rail
JP2003309182A (ja) 2002-04-17 2003-10-31 Hitachi Ltd 半導体装置の製造方法及び半導体装置
US7217329B2 (en) 2002-08-26 2007-05-15 Cf&I Steel Carbon-titanium steel rail
JP4415735B2 (ja) * 2004-03-31 2010-02-17 Ｊｆｅスチール株式会社 高温レールの冷却方法
JP2006057128A (ja) * 2004-08-18 2006-03-02 Nippon Steel Corp 耐落重破壊特性に優れたパーライト系レールの製造方法
JP4994928B2 (ja) 2007-04-17 2012-08-08 新日本製鐵株式会社 耐折損性に優れたレールの製造方法
AU2009308639B2 (en) * 2008-10-31 2015-07-02 Nippon Steel Corporation Pearlite rail having superior abrasion resistance and excellent toughness
KR101314338B1 (ko) * 2009-08-18 2013-10-04 신닛테츠스미킨 카부시키카이샤 펄라이트계 레일
US8241442B2 (en) * 2009-12-14 2012-08-14 Arcelormittal Investigacion Y Desarrollo, S.L. Method of making a hypereutectoid, head-hardened steel rail
CN102220545B (zh) * 2010-04-16 2013-02-27 攀钢集团有限公司 耐磨性和塑性优良的高碳高强热处理钢轨及其制造方法
PL2578716T3 (pl) * 2010-06-07 2020-04-30 Nippon Steel Corporation Szyna stalowa
US9127409B2 (en) * 2012-04-23 2015-09-08 Nippon Steel & Sumitomo Metal Corporation Rail
EP2674504A1 (en) * 2012-06-11 2013-12-18 Siemens S.p.A. Method and system for thermal treatments of rails
AU2014245505B2 (en) 2013-03-28 2016-09-15 Jfe Steel Corporation Rail manufacturing method and manufacturing equipment

Also Published As

Publication number Publication date
JP6354862B2 (ja) 2018-07-11
EP3249070B1 (en) 2020-03-18
CN107208216B (zh) 2019-02-12
US10047411B2 (en) 2018-08-14
WO2016117692A1 (ja) 2016-07-28
US20170369961A1 (en) 2017-12-28
CA2973858A1 (en) 2016-07-28
CA2973858C (en) 2019-09-03
EP3249070A4 (en) 2018-06-27
RU2676374C1 (ru) 2018-12-28
AU2016210110A1 (en) 2017-08-03
ES2794621T3 (es) 2020-11-18
PL3249070T3 (pl) 2020-07-27
AU2016210110B2 (en) 2018-11-01
EP3249070A1 (en) 2017-11-29
CN107208216A (zh) 2017-09-26
JPWO2016117692A1 (ja) 2017-11-24

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Legal Events

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

Owner name: NIPPON STEEL CORPORATION (JP)

B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B11D Dismissal acc. art. 38, par 2 of ipl - failure to pay fee after grant in time