ES2545659T3 - Rail steel with an excellent combination of wear properties, resistance to contact fatigue due to rolling and weldability - Google Patents

Rail steel with an excellent combination of wear properties, resistance to contact fatigue due to rolling and weldability Download PDF

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Publication number
ES2545659T3
ES2545659T3 ES12791480.2T ES12791480T ES2545659T3 ES 2545659 T3 ES2545659 T3 ES 2545659T3 ES 12791480 T ES12791480 T ES 12791480T ES 2545659 T3 ES2545659 T3 ES 2545659T3
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Spain
Prior art keywords
weldability
rolling
resistance
wear properties
maximum
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.)
Active
Application number
ES12791480.2T
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Spanish (es)
Inventor
Howard Martin Smith
Shreekant Jaiswal
Pascal Secordel
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.)
Tata Steel UK Ltd
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Tata Steel UK Ltd
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Filing date
Publication date
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Application filed by Tata Steel UK Ltd filed Critical Tata Steel UK Ltd
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Publication of ES2545659T3 publication Critical patent/ES2545659T3/en
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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
    • C22C38/02—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
    • C22C38/18—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
    • C22C38/40—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
    • 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

Abstract

Un Acero para la fabricación de raíles, en particular de raíles acanalados, que tiene una dureza de al menos 330 HV30, una resistencia a la tracción de al menos 1000 MPa y un límite elástico de al menos 600 MPa y consiste en 5 % en peso, de * 0,70% a 0,85 de carbono, * 0,65% a 1,00% silicio, * 1,1% a 1,4% de manganeso, * 0,07% a 0,15% de vanadio, * hasta 0,008% de nitrógeno, * hasta 0,025% de fósforo, * como máximo 2,5 ppm de hidrógeno, * como máximo 0,10% de cromo, * como máximo 0,010% de aluminio, * como máximo 20 ppm de oxígeno, * el resto consiste en hierro e impurezas inevitables.A Steel for the manufacture of rails, in particular of grooved rails, which has a hardness of at least 330 HV30, a tensile strength of at least 1000 MPa and an elastic limit of at least 600 MPa and consists of 5% by weight , from * 0.70% to 0.85 carbon, * 0.65% to 1.00% silicon, * 1.1% to 1.4% manganese, * 0.07% to 0.15% of vanadium, * up to 0.008% nitrogen, * up to 0.025% phosphorus, * maximum 2.5 ppm hydrogen, * maximum 0.10% chromium, * maximum 0.010% aluminum, * maximum 20 ppm oxygen, * the rest consists of iron and inevitable impurities.

Description

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Claims (1)

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ES12791480.2T 2011-11-28 2012-11-26 Rail steel with an excellent combination of wear properties, resistance to contact fatigue due to rolling and weldability Active ES2545659T3 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP11190973 2011-11-28
EP11190973 2011-11-28
PCT/EP2012/073606 WO2013079438A1 (en) 2011-11-28 2012-11-26 Rail steel with an excellent combination of wear properties, rolling contact fatigue resistance and weldability

Publications (1)

Publication Number Publication Date
ES2545659T3 true ES2545659T3 (en) 2015-09-14

Family

ID=47227803

Family Applications (1)

Application Number Title Priority Date Filing Date
ES12791480.2T Active ES2545659T3 (en) 2011-11-28 2012-11-26 Rail steel with an excellent combination of wear properties, resistance to contact fatigue due to rolling and weldability

Country Status (10)

Country Link
EP (1) EP2785890B1 (en)
JP (1) JP6270730B2 (en)
BR (1) BR112014012660B1 (en)
DK (1) DK2785890T3 (en)
ES (1) ES2545659T3 (en)
HU (1) HUE027275T2 (en)
MA (1) MA35745B1 (en)
PL (1) PL2785890T3 (en)
PT (1) PT2785890E (en)
WO (1) WO2013079438A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104195433B (en) * 2014-09-02 2016-08-31 攀钢集团攀枝花钢铁研究院有限公司 A kind of high-strength tenacity pearlite steel rail and production method thereof
CN105112786B (en) * 2015-09-29 2017-04-12 燕山大学 Super pearlite steel for steel rails and method for preparing super pearlite steel
AU2016374421B2 (en) * 2015-12-15 2019-08-01 Jfe Steel Corporation Method for selecting rail steel and wheel steel

Family Cites Families (26)

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DE3330554A1 (en) 1983-08-24 1985-03-07 Kolbenschmidt AG, 7107 Neckarsulm PISTON FOR INTERNAL COMBUSTION ENGINES
JPS6299438A (en) 1985-10-24 1987-05-08 Nippon Kokan Kk <Nkk> Wear-resistant high-efficiency rail having instable fracture propagation stopping capacity
JPH0653916B2 (en) 1986-07-16 1994-07-20 日本鋼管株式会社 Wear resistant high performance rail with excellent ability to stop unstable fracture propagation
US4895605A (en) * 1988-08-19 1990-01-23 Algoma Steel Corporation Method for the manufacture of hardened railroad rails
CA2048097C (en) 1990-07-30 1998-05-05 Gordon O. Besch High-strength, damage-resistant rail
JPH06340951A (en) 1993-03-12 1994-12-13 Nippon Steel Corp High strength rail excellent in toughness and its production
JPH06279928A (en) 1993-03-29 1994-10-04 Nippon Steel Corp High strength rail excellent in toughness and ductility and its production
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
JP3516189B2 (en) * 1996-01-23 2004-04-05 住友金属工業株式会社 Wheels for railway vehicles excellent in wear resistance and heat crack resistance and method of manufacturing the same
JPH09316598A (en) * 1996-03-27 1997-12-09 Nippon Steel Corp Pearlitic rail, excellent in wear resistance and weldability, and its production
US6361625B2 (en) 1996-07-04 2002-03-26 Nkk Corporation High-strength, damage-resistant rail having hardness distribution of excellent damage-resistance at its head top portion
JP2000129397A (en) * 1998-10-30 2000-05-09 Nkk Corp Pearlite type rail excellent in wear resistance and ductility
JP3513427B2 (en) * 1999-05-31 2004-03-31 新日本製鐵株式会社 Pearlitic rail excellent in wear resistance and internal fatigue damage resistance, and method of manufacturing the same
US6387191B1 (en) * 2000-07-21 2002-05-14 Transportation Technology Center, Inc. Railway wheels resistant to martensite transformation
US6783610B2 (en) * 2001-03-05 2004-08-31 Amsted Industries Incorporated Railway wheel alloy
JP4571759B2 (en) * 2001-06-01 2010-10-27 新日本製鐵株式会社 Perlite rail and manufacturing method thereof
JP2005146346A (en) * 2003-11-14 2005-06-09 Nippon Steel Corp Method for manufacturing rail of pearite system having excellent toughness and ductility
JP5401762B2 (en) * 2006-03-16 2014-01-29 Ｊｆｅスチール株式会社 High-strength pearlite rail with excellent delayed fracture resistance
AU2007230254B2 (en) 2006-03-16 2010-12-02 Jfe Steel Corporation High-strength pearlitic steel rail having excellent delayed fracture properties
GB2443494B (en) 2006-07-14 2010-04-07 Corus Uk Ltd A method of weld repairing or cladding a steel bloom,rail or other part of a railway
CN100482812C (en) * 2006-09-12 2009-04-29 攀枝花钢铁(集团)公司 Rail heat processing method and rail heat processing unit
US7591909B2 (en) * 2007-08-23 2009-09-22 Transportation Technology Center, Inc. Railroad wheel steels having improved resistance to rolling contact fatigue
US7559999B2 (en) * 2007-08-23 2009-07-14 Transportation Technology Center, Inc. Railroad wheel steels having improved resistance to rolling contact fatigue
ES2370149T3 (en) * 2008-02-22 2011-12-13 Tata Steel Uk Limited RAIL STEEL WITH EXCELLENT COMBINATION OF WEAR PROPERTIES AND RESISTANCE TO THE FATIGUE OF CONTACT BY BEARING.
JP5238930B2 (en) * 2009-02-12 2013-07-17 Ｊｆｅスチール株式会社 Abrasion resistant rail and method of manufacturing the same
US20110189047A1 (en) * 2010-02-02 2011-08-04 Transportation Technology Center, Inc. Railroad rail steels resistant to rolling contact fatigue

Also Published As

Publication number Publication date
BR112014012660B1 (en) 2018-12-04
MA35745B1 (en) 2014-12-01
WO2013079438A1 (en) 2013-06-06
EP2785890A1 (en) 2014-10-08
JP6270730B2 (en) 2018-01-31
PT2785890E (en) 2015-10-01
EP2785890B1 (en) 2015-07-15
HUE027275T2 (en) 2016-10-28
DK2785890T3 (en) 2015-08-24
JP2015504484A (en) 2015-02-12
BR112014012660A2 (en) 2017-06-13
PL2785890T3 (en) 2015-12-31

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