EP3730649A4 - STEEL MATERIAL WITH EXCELLENT WEAR RESISTANCE AND ITS MANUFACTURING PROCESS - Google Patents

STEEL MATERIAL WITH EXCELLENT WEAR RESISTANCE AND ITS MANUFACTURING PROCESS Download PDF

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Publication number
EP3730649A4
EP3730649A4 EP18890993.1A EP18890993A EP3730649A4 EP 3730649 A4 EP3730649 A4 EP 3730649A4 EP 18890993 A EP18890993 A EP 18890993A EP 3730649 A4 EP3730649 A4 EP 3730649A4
Authority
EP
European Patent Office
Prior art keywords
manufacturing
same
wear resistance
steel material
excellent wear
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.)
Pending
Application number
EP18890993.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3730649A1 (en
Inventor
Yong-Jin Kim
Young-Deok JUNG
Myeong-Hun KANG
Yeo-Sun YUN
Soo-Gil Park
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.)
Posco Holdings Inc
Original Assignee
Posco Co Ltd
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 Posco Co Ltd filed Critical Posco Co Ltd
Publication of EP3730649A4 publication Critical patent/EP3730649A4/en
Publication of EP3730649A1 publication Critical patent/EP3730649A1/en
Pending legal-status Critical Current

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Classifications

    • 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
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • 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
    • 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
    • C21D6/00—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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/002—Heat treatment of ferrous alloys containing Cr
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/005—Heat treatment of ferrous alloys containing Mn
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • 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
    • 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
    • C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0081—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for slabs; for billets
    • 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
    • C22C38/02—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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with copper
    • 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
    • C21D2211/001—Austenite
    • 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
    • C21D2211/004—Dispersions; Precipitations

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)
EP18890993.1A 2017-12-22 2018-12-20 Steel material having excellent wear resistance and manufacturing method for same Pending EP3730649A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020170178865A KR102020381B1 (ko) 2017-12-22 2017-12-22 내마모성이 우수한 강재 및 그 제조방법
PCT/KR2018/016384 WO2019125023A1 (ko) 2017-12-22 2018-12-20 내마모성이 우수한 강재 및 그 제조방법

Publications (2)

Publication Number Publication Date
EP3730649A4 true EP3730649A4 (en) 2020-10-28
EP3730649A1 EP3730649A1 (en) 2020-10-28

Family

ID=66994233

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18890993.1A Pending EP3730649A1 (en) 2017-12-22 2018-12-20 Steel material having excellent wear resistance and manufacturing method for same

Country Status (5)

Country Link
US (1) US20210164068A1 (zh)
EP (1) EP3730649A1 (zh)
KR (1) KR102020381B1 (zh)
CN (1) CN111492082B (zh)
WO (1) WO2019125023A1 (zh)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120288396A1 (en) * 2009-12-28 2012-11-15 Posco Austenite steel material having superior ductility
US20140261918A1 (en) * 2013-03-15 2014-09-18 Exxonmobil Research And Engineering Company Enhanced wear resistant steel and methods of making the same
EP2799582A1 (en) * 2011-12-28 2014-11-05 Posco Wear resistant austenitic steel having superior machinability and ductility method for producing same
US20140373588A1 (en) * 2011-12-28 2014-12-25 Posco Wear resistant austenitic steel having superior machinability and toughness in weld heat affected zones thereof and method for producing same
KR20160075927A (ko) * 2014-12-19 2016-06-30 주식회사 포스코 두께 중심부 강도 및 인성이 우수한 강재 및 이의 제조방법
EP3088555A1 (en) * 2013-12-25 2016-11-02 Posco Steel for low-temperature service having excellent surface processing quality
WO2017105134A1 (ko) * 2015-12-18 2017-06-22 주식회사 포스코 인성 및 내부품질이 우수한 내마모 강재 및 그 제조방법
WO2017111510A1 (ko) * 2015-12-23 2017-06-29 주식회사 포스코 열간 가공성이 우수한 비자성 강재 및 그 제조방법
US20170349983A1 (en) * 2016-06-06 2017-12-07 Exxonmobil Research And Engineering Company High strength cryogenic high manganese steels and methods of making the same

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100320959B1 (ko) * 1996-12-30 2002-06-20 전선기 극저온충격특성이우수한고망간강및그제조방법
KR20000041265A (ko) * 1998-12-22 2000-07-15 이구택 표면스켑결함과 크랙결함을 동시에 방지하는 미니밀공정에 의한고망간강 열연강판의 제조방법
FR2857980B1 (fr) * 2003-07-22 2006-01-13 Usinor Procede de fabrication de toles d'acier austenitique fer-carbone-manganese, a haute resistance, excellente tenacite et aptitude a la mise en forme a froid, et toles ainsi produites
FR2878257B1 (fr) * 2004-11-24 2007-01-12 Usinor Sa Procede de fabrication de toles d'acier austenitique, fer-carbone-manganese a tres hautes caracteristiques de resistance et d'allongement, et excellente homogeneite
JP5360086B2 (ja) * 2011-02-08 2013-12-04 新日鐵住金株式会社 非磁性鋼の連続鋳造を用いた製造方法
JP2013249500A (ja) * 2012-05-31 2013-12-12 Nsk Ltd 転がり軸受
BR112015005020B1 (pt) * 2012-09-27 2020-05-05 Nippon Steel & Sumitomo Metal Corp chapa de aço laminada a quente e método para fabricar a mesma
KR101665801B1 (ko) 2014-12-23 2016-10-13 주식회사 포스코 도금 품질이 우수한 오스테나이트계 고강도 고망간 용융 알루미늄 도금강판 및 그의 제조방법
JP6390573B2 (ja) * 2015-09-29 2018-09-19 Ｊｆｅスチール株式会社 冷延鋼板およびその製造方法
KR101917473B1 (ko) * 2016-12-23 2018-11-09 주식회사 포스코 내마모성과 인성이 우수한 오스테나이트계 강재 및 그 제조방법

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120288396A1 (en) * 2009-12-28 2012-11-15 Posco Austenite steel material having superior ductility
EP2799582A1 (en) * 2011-12-28 2014-11-05 Posco Wear resistant austenitic steel having superior machinability and ductility method for producing same
US20140373588A1 (en) * 2011-12-28 2014-12-25 Posco Wear resistant austenitic steel having superior machinability and toughness in weld heat affected zones thereof and method for producing same
US20140261918A1 (en) * 2013-03-15 2014-09-18 Exxonmobil Research And Engineering Company Enhanced wear resistant steel and methods of making the same
EP3088555A1 (en) * 2013-12-25 2016-11-02 Posco Steel for low-temperature service having excellent surface processing quality
KR20160075927A (ko) * 2014-12-19 2016-06-30 주식회사 포스코 두께 중심부 강도 및 인성이 우수한 강재 및 이의 제조방법
WO2017105134A1 (ko) * 2015-12-18 2017-06-22 주식회사 포스코 인성 및 내부품질이 우수한 내마모 강재 및 그 제조방법
WO2017111510A1 (ko) * 2015-12-23 2017-06-29 주식회사 포스코 열간 가공성이 우수한 비자성 강재 및 그 제조방법
US20170349983A1 (en) * 2016-06-06 2017-12-07 Exxonmobil Research And Engineering Company High strength cryogenic high manganese steels and methods of making the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019125023A1 *

Also Published As

Publication number Publication date
CN111492082A (zh) 2020-08-04
KR102020381B1 (ko) 2019-09-10
US20210164068A1 (en) 2021-06-03
KR20190076795A (ko) 2019-07-02
WO2019125023A8 (ko) 2020-02-27
CN111492082B (zh) 2021-10-26
WO2019125023A1 (ko) 2019-06-27
EP3730649A1 (en) 2020-10-28

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