ZA202006996B - Track part made of a hypereutectoid steel - Google Patents

Track part made of a hypereutectoid steel

Info

Publication number
ZA202006996B
ZA202006996B ZA2020/06996A ZA202006996A ZA202006996B ZA 202006996 B ZA202006996 B ZA 202006996B ZA 2020/06996 A ZA2020/06996 A ZA 2020/06996A ZA 202006996 A ZA202006996 A ZA 202006996A ZA 202006996 B ZA202006996 B ZA 202006996B
Authority
ZA
South Africa
Prior art keywords
part made
track part
hypereutectoid steel
hypereutectoid
steel
Prior art date
Application number
ZA2020/06996A
Inventor
Jürgen Goriupp
Mario Kuss
Original Assignee
Voestalpine Rail Tech Gmbh
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 Voestalpine Rail Tech Gmbh filed Critical Voestalpine Rail Tech Gmbh
Publication of ZA202006996B publication Critical patent/ZA202006996B/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
    • C22C38/02—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
    • C22C38/18—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
    • 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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • 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
    • C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/60—Aqueous agents
    • 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
    • C21D1/62—Quenching devices
    • C21D1/63—Quenching devices for bath quenching
    • 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
    • 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
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following 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
    • C22C38/04—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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with 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
    • C21D2211/003—Cementite
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
ZA2020/06996A 2018-07-10 2020-11-10 Track part made of a hypereutectoid steel ZA202006996B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA201/2018A AT521405B1 (en) 2018-07-10 2018-07-10 Track part made from hypereutectoid steel
PCT/IB2019/055660 WO2020012297A1 (en) 2018-07-10 2019-07-03 Track part made of a hypereutectoid steel

Publications (1)

Publication Number Publication Date
ZA202006996B true ZA202006996B (en) 2021-10-27

Family

ID=67551584

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2020/06996A ZA202006996B (en) 2018-07-10 2020-11-10 Track part made of a hypereutectoid steel

Country Status (13)

Country Link
US (1) US20200017943A1 (en)
EP (1) EP3821040B1 (en)
AR (1) AR115726A1 (en)
AT (1) AT521405B1 (en)
AU (1) AU2019204857A1 (en)
BR (1) BR102019014230B1 (en)
CA (1) CA3048723C (en)
ES (1) ES2834057T3 (en)
MA (1) MA53132A (en)
PL (1) PL3821040T3 (en)
UA (1) UA127116C2 (en)
WO (1) WO2020012297A1 (en)
ZA (1) ZA202006996B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022004247A1 (en) * 2020-06-29 2022-01-06 Ｊｆｅスチール株式会社 Rail having excellent fatigue crack propagation resistance characteristics, and method for producing same
CN115094338B (en) * 2022-07-27 2023-09-22 内蒙古科技大学 Hypereutectoid steel for steel rail and preparation method thereof

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1044826C (en) * 1994-11-15 1999-08-25 新日本制铁株式会社 Perlite rail of high abrasion resistance and method of mfg. the same
DE19906694C2 (en) 1999-02-18 2002-04-11 Lueraflex Gmbh G Lueckenotto Spreader roll
JP2002256393A (en) * 2001-02-28 2002-09-11 Nippon Steel Corp Wear resistant pearlitic rail having excellent fracture resistance
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
JP4272410B2 (en) * 2002-11-12 2009-06-03 新日本製鐵株式会社 Heat treatment method for pearlite rail
JP4336101B2 (en) * 2002-12-25 2009-09-30 新日本製鐵株式会社 High carbon pearlite rail with excellent wear resistance and toughness
JP5145795B2 (en) * 2006-07-24 2013-02-20 新日鐵住金株式会社 Method for producing pearlitic rails with excellent wear resistance and ductility
ITMI20072244A1 (en) * 2007-11-28 2009-05-29 Danieli Off Mecc DEVICE FOR HEAT TREATMENT OF RAILS AND ITS PROCESS
AU2010216990B2 (en) * 2009-02-18 2015-08-20 Nippon Steel Corporation Pearlitic rail with excellent wear resistance and toughness
ES2716881T3 (en) * 2009-06-26 2019-06-17 Nippon Steel Corp Steel rail with high carbon content, based on perlite, which has excellent ductility and production process
JP5776565B2 (en) * 2012-01-23 2015-09-09 新日鐵住金株式会社 Rail steel and wheel steel material selection method
BR112014031008B1 (en) * 2012-06-14 2020-02-18 Nippon Steel Corporation RAIL RAIL AND ITS PRODUCTION METHODS
WO2017200096A1 (en) * 2016-05-19 2017-11-23 新日鐵住金株式会社 Rail

Also Published As

Publication number Publication date
AR115726A1 (en) 2021-02-17
CA3048723A1 (en) 2020-01-10
BR102019014230B1 (en) 2023-10-31
WO2020012297A1 (en) 2020-01-16
US20200017943A1 (en) 2020-01-16
AU2019204857A1 (en) 2020-01-30
EP3821040A1 (en) 2021-05-19
PL3821040T3 (en) 2024-02-12
EP3821040B1 (en) 2023-08-30
CA3048723C (en) 2021-11-09
AT521405B1 (en) 2021-09-15
ES2834057T1 (en) 2021-06-16
ES2834057T3 (en) 2024-03-26
BR102019014230A2 (en) 2020-02-27
MA53132A (en) 2021-05-19
AT521405A1 (en) 2020-01-15
UA127116C2 (en) 2023-05-03

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