BR9608995A - Low alloy perlitic steel rail subjected to excellent heat treatment in wear resistance and weldability and process for producing it - Google Patents

Low alloy perlitic steel rail subjected to excellent heat treatment in wear resistance and weldability and process for producing it

Info

Publication number
BR9608995A
BR9608995A BR9608995A BR9608995A BR9608995A BR 9608995 A BR9608995 A BR 9608995A BR 9608995 A BR9608995 A BR 9608995A BR 9608995 A BR9608995 A BR 9608995A BR 9608995 A BR9608995 A BR 9608995A
Authority
BR
Brazil
Prior art keywords
weldability
producing
heat treatment
wear resistance
excellent heat
Prior art date
Application number
BR9608995A
Other languages
Portuguese (pt)
Inventor
Masaharu Ueda
Hideaki Kageyama
Kouichi Uchino
Koji Babazono
Ken Kutaragi
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
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of BR9608995A publication Critical patent/BR9608995A/en

Links

Classifications

    • 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
    • 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
    • C22C38/18—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
BR9608995A 1996-03-27 1996-05-14 Low alloy perlitic steel rail subjected to excellent heat treatment in wear resistance and weldability and process for producing it BR9608995A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP7204996 1996-03-27
JP9277296A JPH09316598A (en) 1996-03-27 1996-04-15 Pearlitic rail, excellent in wear resistance and weldability, and its production
PCT/JP1996/001265 WO1997036016A1 (en) 1996-03-27 1996-05-14 Low-alloy heat-treated pearlitic steel rails with excellent wear resistance and welding characteristics and process for production thereof

Publications (1)

Publication Number Publication Date
BR9608995A true BR9608995A (en) 1999-07-06

Family

ID=26413177

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9608995A BR9608995A (en) 1996-03-27 1996-05-14 Low alloy perlitic steel rail subjected to excellent heat treatment in wear resistance and weldability and process for producing it

Country Status (6)

Country Link
JP (1) JPH09316598A (en)
CN (1) CN1074056C (en)
AU (1) AU690457B2 (en)
BR (1) BR9608995A (en)
CA (1) CA2222281C (en)
WO (1) WO1997036016A1 (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996028581A1 (en) * 1995-03-14 1996-09-19 Nippon Steel Corporation Rail having high wear resistance and high internal damage resistance, and its production method
CN1113724C (en) * 1999-02-04 2003-07-09 魏国章 Welding technology for preventing weld crack on refractory pearlitic steel
CA2451147C (en) 2002-04-05 2013-07-30 Nippon Steel Corporation Pearlitic steel rail excellent in wear resistance and ductility and method for producing the same
WO2008123483A1 (en) * 2007-03-28 2008-10-16 Jfe Steel Corporation Pearlite steel rail of high internal hardness type excellent in wear resistance and fatigue failure resistance and process for production of the same
JP5753781B2 (en) * 2008-07-11 2015-07-22 アクティエボラゲット・エスコーエッフ Method for manufacturing steel components, weld lines, welded steel components, and bearing components
AU2011262876B2 (en) * 2010-06-07 2016-02-04 Nippon Steel Corporation Steel rail and method of manufacturing the same
WO2013079438A1 (en) * 2011-11-28 2013-06-06 Tata Steel Uk Ltd Rail steel with an excellent combination of wear properties, rolling contact fatigue resistance and weldability
US9334546B2 (en) * 2011-11-29 2016-05-10 Evraz Inc. Na Canada Method and apparatus for treatment of a rail weld
EP2674504A1 (en) * 2012-06-11 2013-12-18 Siemens S.p.A. Method and system for thermal treatments of rails
US10214795B2 (en) 2013-03-28 2019-02-26 Jfe Steel Corporation Rail manufacturing method and manufacturing equipment
US9670570B2 (en) 2014-04-17 2017-06-06 Evraz Inc. Na Canada High carbon steel rail with enhanced ductility
BR112016024079B1 (en) * 2014-04-17 2021-01-12 Evraz Inc. Na Canada high carbon steel rail with marked ductility
CN107675083B (en) * 2017-10-10 2019-05-10 攀钢集团研究院有限公司 Obdurability pearlite steel rail and its manufacturing method
CN108570550B (en) * 2018-05-18 2020-06-26 攀钢集团攀枝花钢铁研究院有限公司 Postweld heat treatment method for heat-treatment type bainite steel rail welded joint
CN108660306B (en) * 2018-06-07 2020-07-07 攀钢集团攀枝花钢铁研究院有限公司 Postweld heat treatment method for hypereutectoid steel rail and eutectoid steel rail welded joint
CN108796202B (en) * 2018-07-02 2020-05-19 攀钢集团攀枝花钢铁研究院有限公司 Heat treatment method for welded joint of dissimilar material steel rail
CN108754114B (en) * 2018-07-02 2020-06-16 攀钢集团攀枝花钢铁研究院有限公司 Heat treatment method for steel rail welding joint
CN108823394B (en) * 2018-07-25 2020-07-07 攀钢集团攀枝花钢铁研究院有限公司 Steel rail postweld heat treatment method
CN109082589B (en) * 2018-08-22 2019-10-25 武汉钢铁有限公司 A kind of ultra-high strength and toughness guided way steel and preparation method thereof
CN109022750A (en) * 2018-10-26 2018-12-18 攀钢集团攀枝花钢铁研究院有限公司 The post weld heat treatment method of rail
WO2020170930A1 (en) * 2019-02-19 2020-08-27 Ｊｆｅスチール株式会社 Method for manufacturing rail, and rail
CN112239831A (en) * 2020-10-19 2021-01-19 攀钢集团攀枝花钢铁研究院有限公司 High-toughness and high-cold railway steel rail and production method thereof
WO2022209293A1 (en) * 2021-03-31 2022-10-06 Ｊｆｅスチール株式会社 Rail and method for manufacturing same
CN113637912A (en) * 2021-08-18 2021-11-12 攀钢集团攀枝花钢铁研究院有限公司 Corrosion-resistant hypereutectoid steel rail and preparation method thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63277721A (en) * 1987-05-09 1988-11-15 Nkk Corp Manufacture of rail combining high strength with high toughness
JPH0487042A (en) * 1990-07-31 1992-03-19 Sony Corp Optical pickup device
JP2601741B2 (en) * 1991-12-18 1997-04-16 新日本製鐵株式会社 Rail repair welding method
JPH06279927A (en) * 1993-03-29 1994-10-04 Nippon Steel Corp High strength rail excellent in ductility and toughness and its production
JP3323272B2 (en) * 1993-03-29 2002-09-09 新日本製鐵株式会社 Manufacturing method of high strength rail with excellent ductility and toughness

Also Published As

Publication number Publication date
CN1189858A (en) 1998-08-05
JPH09316598A (en) 1997-12-09
CA2222281A1 (en) 1997-10-02
CA2222281C (en) 2002-02-26
AU690457B2 (en) 1998-04-23
AU5660096A (en) 1997-10-17
WO1997036016A1 (en) 1997-10-02
CN1074056C (en) 2001-10-31

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Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B25D Requested change of name of applicant approved

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

B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 14/05/2016