IN2014DN07985A - - Google Patents

Info

Publication number
IN2014DN07985A
IN2014DN07985A IN7985DEN2014A IN2014DN07985A IN 2014DN07985 A IN2014DN07985 A IN 2014DN07985A IN 7985DEN2014 A IN7985DEN2014 A IN 7985DEN2014A IN 2014DN07985 A IN2014DN07985 A IN 2014DN07985A
Authority
IN
India
Prior art keywords
xexp
amount
less
fnl
impurities
Prior art date
Application number
Inventor
Yuichiro Yamamoto
Yukiteru Takeshita
Kentaro Kiriyama
Takanori Kato
Original Assignee
Nippon Steel & Sumitomo Metal 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=49482879&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IN2014DN07985(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nippon Steel & Sumitomo Metal Corp filed Critical Nippon Steel & Sumitomo Metal Corp
Publication of IN2014DN07985A publication Critical patent/IN2014DN07985A/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
    • C22C38/40—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
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B17/00—Wheels characterised by rail-engaging elements
    • B60B17/0006—Construction of wheel bodies, e.g. disc wheels
    • 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
    • C21D9/34—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tyres; for rims
    • 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
    • C22C38/02—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
    • C22C38/06—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
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • 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
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • 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
    • C21D1/25—Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius, i.e. heat refining ("Vergüten")
    • 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
    • C21D2211/002—Bainite
    • 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
    • C21D2211/008—Martensite
    • 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
    • C21D2221/00—Treating localised areas of an article
    • 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
    • C21D2221/00—Treating localised areas of an article
    • C21D2221/02—Edge parts
    • 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

Landscapes

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

Abstract

Steel for a vehicle wheel containing C in an amount of O.65 to 0.84%, Si in an amount of 0.4 to 1.0%, Mn in an amount of 0.50 to 1.40%, Cr in an amount of 0.02 to 0.13%, S in an amount of 0.04% or less, and V in an amount of 0.02 to 0.12%; Fnl in the formula Fnl=2.7+29.5xC+2.9xSi+6.9xMn+10.8xCr+30.3xMo+44.3xV being 32 to 43; Fn2 in the formula Fn2=exp(0.76)xexp(0.05xC)xexp(1.35xSi)xexp(0.38xMn)xexp(0.77xCr)xexp(3.0xMo)xexp(4.6xV) being 25 or less; the remainder comprising Fe and impurities; and the amounts of P , Cu, and Ni contained in the impurities being 0.05% or less, 0.20% or less, and 0.20% or less, respectively. This steel has an exceptional balance between wear resistance, rolling fatigue resistance, and spalling resistance, while also having exceptional high -temperature yield strength and high ductility.
IN7985DEN2014 2012-04-27 2013-04-08 IN2014DN07985A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012102821A JP5761116B2 (en) 2012-04-27 2012-04-27 Wheel steel
PCT/JP2013/060588 WO2013161548A1 (en) 2012-04-27 2013-04-08 Steel for vehicle wheel

Publications (1)

Publication Number Publication Date
IN2014DN07985A true IN2014DN07985A (en) 2015-05-01

Family

ID=49482879

Family Applications (1)

Application Number Title Priority Date Filing Date
IN7985DEN2014 IN2014DN07985A (en) 2012-04-27 2013-04-08

Country Status (13)

Country Link
US (1) US9850560B2 (en)
EP (1) EP2843071B1 (en)
JP (1) JP5761116B2 (en)
CN (1) CN104254631B (en)
AU (1) AU2013253847B2 (en)
BR (1) BR112014024393B1 (en)
CA (1) CA2869139C (en)
ES (1) ES2744712T3 (en)
IN (1) IN2014DN07985A (en)
RU (1) RU2705328C2 (en)
TW (1) TWI476286B (en)
WO (1) WO2013161548A1 (en)
ZA (1) ZA201407311B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2015272889B2 (en) * 2014-06-11 2018-06-21 Jfe Steel Corporation Wheel for railroad car and method for manufacturing wheel for railroad car
CA3006945C (en) 2015-12-15 2021-11-02 Jfe Steel Corporation Method for selecting rail steel and wheel steel
JP6528894B2 (en) 2016-03-02 2019-06-12 日本製鉄株式会社 Railway wheel
CN106521315B (en) * 2016-11-10 2018-06-19 钢铁研究总院 A kind of high-intensity and high-tenacity heavy haul train wheel-use steel material and its heat treatment method
WO2018181862A1 (en) 2017-03-31 2018-10-04 新日鐵住金株式会社 Method for producing rail wheel and rail wheel
JP6443606B1 (en) * 2017-03-31 2018-12-26 新日鐵住金株式会社 Railway wheels
JP6737427B1 (en) * 2018-09-28 2020-08-12 日本製鉄株式会社 Railway wheels
WO2020067520A1 (en) 2018-09-28 2020-04-02 日本製鉄株式会社 Railway wheel
JP7332886B2 (en) * 2019-10-11 2023-08-24 日本製鉄株式会社 train wheels
WO2021193808A1 (en) 2020-03-26 2021-09-30 日本製鉄株式会社 Train wheel
CN117203361B (en) * 2021-04-16 2026-02-06 日本制铁株式会社 Railway wheel
US20240399789A1 (en) * 2021-10-14 2024-12-05 Nippon Steel Corporation Railway wheel

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Publication number Priority date Publication date Assignee Title
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Also Published As

Publication number Publication date
CN104254631A (en) 2014-12-31
RU2705328C2 (en) 2019-11-06
EP2843071A1 (en) 2015-03-04
RU2014147718A (en) 2016-06-20
EP2843071B1 (en) 2019-07-31
WO2013161548A1 (en) 2013-10-31
JP2013231212A (en) 2013-11-14
BR112014024393B1 (en) 2019-11-26
CA2869139A1 (en) 2013-10-31
US9850560B2 (en) 2017-12-26
HK1204018A1 (en) 2015-11-06
JP5761116B2 (en) 2015-08-12
CN104254631B (en) 2016-08-24
US20150147224A1 (en) 2015-05-28
TW201408791A (en) 2014-03-01
EP2843071A4 (en) 2016-04-20
CA2869139C (en) 2017-11-14
ES2744712T3 (en) 2020-02-26
TWI476286B (en) 2015-03-11
AU2013253847B2 (en) 2015-11-26
AU2013253847A1 (en) 2014-10-16
ZA201407311B (en) 2020-05-27

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