CA3157401C - Rail et son procede de fabrication - Google Patents

Rail et son procede de fabrication Download PDF

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Publication number
CA3157401C
CA3157401C CA3157401A CA3157401A CA3157401C CA 3157401 C CA3157401 C CA 3157401C CA 3157401 A CA3157401 A CA 3157401A CA 3157401 A CA3157401 A CA 3157401A CA 3157401 C CA3157401 C CA 3157401C
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CA
Canada
Prior art keywords
mass
web
less
rail
pearlite
Prior art date
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CA3157401A
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English (en)
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CA3157401A1 (fr
Inventor
Kazuya Tokunaga
Keisuke Ando
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JFE Steel Corp
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JFE Steel Corp
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Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=75437831&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA3157401(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by JFE Steel Corp filed Critical JFE Steel Corp
Publication of CA3157401A1 publication Critical patent/CA3157401A1/fr
Application granted granted Critical
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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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/08—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling structural sections, i.e. work of special cross-section, e.g. angle steel
    • B21B1/085—Rail sections
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/02—Hardening articles or materials formed by forging or rolling, with no further heating beyond that required for the formation
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/84—Controlled slow cooling
    • 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
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/13—Modifying the physical properties of iron or steel by deformation by hot working
    • 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
    • C22C38/04—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
    • 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
    • C22C38/32—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
    • C22C38/38—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
    • 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

Landscapes

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

Abstract

Un rail (1) comprend une section de patin, une section d'âme (3) et une section de champignon (4). La composition en constituants de la section d'âme (3) comprend : C : 0,70 à 1,20 % en poids, Si : 0,20 à 1,20 % en poids, Mn : 0,20 à 1,50 % en poids, P : 0,035 % en poids ou moins, et Cr : 0,20 à 2,50 % en poids, le reste comprenant du Fe et les inévitables impuretés. Le rapport de surface de la perlite dans la section d'âme (3) est supérieur ou égal à 95 %, et la taille moyenne des blocs de perlite est inférieure ou égale à 60 µm.
CA3157401A 2019-10-11 2020-07-27 Rail et son procede de fabrication Active CA3157401C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019187316 2019-10-11
JP2019-187316 2019-10-11
PCT/JP2020/028616 WO2021070452A1 (fr) 2019-10-11 2020-07-27 Rail et son procédé de fabrication

Publications (2)

Publication Number Publication Date
CA3157401A1 CA3157401A1 (fr) 2021-04-15
CA3157401C true CA3157401C (fr) 2024-04-09

Family

ID=75437831

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3157401A Active CA3157401C (fr) 2019-10-11 2020-07-27 Rail et son procede de fabrication

Country Status (7)

Country Link
US (1) US20230250505A1 (fr)
EP (1) EP4023777A4 (fr)
JP (1) JP7063400B2 (fr)
CN (1) CN114502761B (fr)
AU (1) AU2020364505B2 (fr)
CA (1) CA3157401C (fr)
WO (1) WO2021070452A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024202405A1 (fr) * 2023-03-24 2024-10-03 Ｊｆｅスチール株式会社 Rail et son procédé de fabrication
WO2024202407A1 (fr) * 2023-03-24 2024-10-03 Ｊｆｅスチール株式会社 Rail et son procédé de fabrication
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
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

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5947326A (ja) 1982-09-13 1984-03-17 Nippon Steel Corp 耐破端特性の優れた軌条の製造法
JPS6299438A (ja) 1985-10-24 1987-05-08 Nippon Kokan Kk <Nkk> 不安定破壊伝播停止能力を有する耐摩耗性高性能レ−ル
EP0685566B2 (fr) * 1993-12-20 2013-06-05 Nippon Steel & Sumitomo Metal Corporation Rail a elevee resistance a l'abrasion et a haute tenacite, possedant une structure metallographique perlitique, et procede de production dudit rail
JPH08109440A (ja) * 1994-10-07 1996-04-30 Nippon Steel Corp パーライト金属組織を呈した高靭性レール
JP3081116B2 (ja) * 1994-10-07 2000-08-28 新日本製鐵株式会社 パーライト金属組織を呈した高耐摩耗レール
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
JPH08246101A (ja) 1995-03-07 1996-09-24 Nippon Steel Corp 耐摩耗性・耐損傷性に優れたパーライト系レールおよびその製造法
JPH08246100A (ja) 1995-03-07 1996-09-24 Nippon Steel Corp 耐摩耗性に優れたパーライト系レールおよびその製造法
JPH10195601A (ja) 1996-12-27 1998-07-28 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
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
JP4598265B2 (ja) 2000-06-14 2010-12-15 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
JP4272385B2 (ja) * 2002-04-05 2009-06-03 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
JP2004043863A (ja) * 2002-07-10 2004-02-12 Nippon Steel Corp レール柱部の初析セメンタイト組織の生成量を低減したレール
JP4272410B2 (ja) * 2002-11-12 2009-06-03 新日本製鐵株式会社 パーライトレールの熱処理方法
US20040187981A1 (en) * 2002-04-05 2004-09-30 Masaharu Ueda Pealite base rail excellent in wear resistance and ductility and method for production thereof
JP4214043B2 (ja) * 2003-12-01 2009-01-28 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
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
JP5472418B2 (ja) * 2006-07-24 2014-04-16 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
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
JP5282506B2 (ja) * 2008-09-25 2013-09-04 Ｊｆｅスチール株式会社 耐摩耗性と耐疲労損傷性に優れた内部高硬度型パーライト鋼レールおよびその製造方法
BRPI1011986A2 (pt) * 2009-06-26 2016-04-26 Nippon Steel Corp trilho de aço com alto teor de carbono com base em perlita tendo excelente ductilidade e processo para a produção deste
BR112014026521B1 (pt) * 2012-04-25 2019-06-18 Jfe Steel Corporation Método para fabricar um trilho de perlita por laminação a quente
JP6137043B2 (ja) * 2014-04-30 2017-05-31 Ｊｆｅスチール株式会社 レールの製造方法
CN104561816B (zh) * 2015-01-07 2016-08-31 攀钢集团攀枝花钢铁研究院有限公司 一种高强度耐疲劳性能优良的钢轨及其生产方法
CN109023058B (zh) * 2018-08-27 2020-06-30 攀钢集团攀枝花钢铁研究院有限公司 氧化膜和耐腐蚀钢轨及该钢轨的制备方法

Also Published As

Publication number Publication date
WO2021070452A1 (fr) 2021-04-15
AU2020364505A1 (en) 2022-04-28
JPWO2021070452A1 (ja) 2021-10-21
CN114502761A (zh) 2022-05-13
EP4023777A4 (fr) 2023-03-01
US20230250505A1 (en) 2023-08-10
CN114502761B (zh) 2024-01-09
EP4023777A1 (fr) 2022-07-06
CA3157401A1 (fr) 2021-04-15
AU2020364505B2 (en) 2023-08-03
JP7063400B2 (ja) 2022-05-09

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