EP3239341A4 - Austenitic stainless steel having excellent flexibility - Google Patents

Austenitic stainless steel having excellent flexibility Download PDF

Info

Publication number
EP3239341A4
EP3239341A4 EP15873501.9A EP15873501A EP3239341A4 EP 3239341 A4 EP3239341 A4 EP 3239341A4 EP 15873501 A EP15873501 A EP 15873501A EP 3239341 A4 EP3239341 A4 EP 3239341A4
Authority
EP
European Patent Office
Prior art keywords
stainless steel
austenitic stainless
excellent flexibility
flexibility
austenitic
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.)
Withdrawn
Application number
EP15873501.9A
Other languages
German (de)
French (fr)
Other versions
EP3239341A1 (en
Inventor
Hyung Gu Kang
Gyu Jin Jo
Dong Chul Chae
Jae Hwa Lee
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 EP3239341A1 publication Critical patent/EP3239341A1/en
Publication of EP3239341A4 publication Critical patent/EP3239341A4/en
Withdrawn legal-status Critical Current

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
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
    • 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
    • C21D8/105—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies 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
    • 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
    • C22C2202/00—Physical properties

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical 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 Sheet Steel (AREA)
  • Materials For Medical Uses (AREA)
EP15873501.9A 2014-12-26 2015-12-01 Austenitic stainless steel having excellent flexibility Withdrawn EP3239341A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020140191165A KR101659186B1 (en) 2014-12-26 2014-12-26 Austenitic stainless steels with increased flexibility
PCT/KR2015/012973 WO2016104974A1 (en) 2014-12-26 2015-12-01 Austenitic stainless steel having excellent flexibility

Publications (2)

Publication Number Publication Date
EP3239341A1 EP3239341A1 (en) 2017-11-01
EP3239341A4 true EP3239341A4 (en) 2018-10-31

Family

ID=56150947

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15873501.9A Withdrawn EP3239341A4 (en) 2014-12-26 2015-12-01 Austenitic stainless steel having excellent flexibility

Country Status (6)

Country Link
US (1) US20170349985A1 (en)
EP (1) EP3239341A4 (en)
JP (1) JP2018502991A (en)
KR (1) KR101659186B1 (en)
CN (1) CN107429367A (en)
WO (1) WO2016104974A1 (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101756701B1 (en) * 2015-12-23 2017-07-12 주식회사 포스코 Austenitic stainless steel with increased workability
CN108200771B (en) * 2016-03-28 2021-02-12 Lg电子株式会社 Stainless steel and pipe made of the same
KR101923922B1 (en) 2016-12-23 2018-11-30 주식회사 포스코 Austenitic stainless steel product having excellent surface properties and manufacturing method of the same
KR20180104514A (en) * 2017-03-13 2018-09-21 엘지전자 주식회사 Air conditioner
KR20180104520A (en) * 2017-03-13 2018-09-21 엘지전자 주식회사 Air conditioner
KR102357608B1 (en) * 2017-03-13 2022-02-04 엘지전자 주식회사 Air conditioner
KR20180104508A (en) 2017-03-13 2018-09-21 엘지전자 주식회사 Air conditioner
KR20180104521A (en) 2017-03-13 2018-09-21 엘지전자 주식회사 Air conditioner
KR20180104507A (en) 2017-03-13 2018-09-21 엘지전자 주식회사 Air conditioner
KR20180104511A (en) 2017-03-13 2018-09-21 엘지전자 주식회사 Air conditioner
KR20180104519A (en) * 2017-03-13 2018-09-21 엘지전자 주식회사 Air conditioner
KR20180104509A (en) 2017-03-13 2018-09-21 엘지전자 주식회사 Air conditioner
KR20180104506A (en) 2017-03-13 2018-09-21 엘지전자 주식회사 Air conditioner
KR20180104513A (en) * 2017-03-13 2018-09-21 엘지전자 주식회사 Air conditioner
KR20180111417A (en) 2017-03-31 2018-10-11 엘지전자 주식회사 Ductile stainless steel pipe
KR20190000254A (en) 2017-06-22 2019-01-02 엘지전자 주식회사 Air conditioner
KR102419898B1 (en) * 2017-06-26 2022-07-12 엘지전자 주식회사 Gas heat pump system
KR102364389B1 (en) * 2017-09-27 2022-02-17 엘지전자 주식회사 Air conditioner
US11457783B2 (en) 2019-06-05 2022-10-04 Lg Electronics Inc. Cleaner

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0387336A (en) * 1989-08-30 1991-04-12 Nisshin Steel Co Ltd Non-magnetic austenitic stainless steel for quality dinnerware
JPH0770705A (en) * 1993-09-03 1995-03-14 Aichi Steel Works Ltd Austenitic stainless steel excellent in thermal expansion property
JPH07150307A (en) * 1993-11-30 1995-06-13 Kurimoto Ltd T bolt made of austenitic stainless steel and manufacture thereof
JPH09263905A (en) * 1996-03-29 1997-10-07 Nisshin Steel Co Ltd Soft austenitic stainless steel
JPH11181550A (en) * 1997-12-17 1999-07-06 Sanyo Special Steel Co Ltd Austenitic stainless steel excellent in cold workability
JPH11350089A (en) * 1998-06-12 1999-12-21 Nisshin Steel Co Ltd Austenitic stainless steel having excellent antibacterial characteristic and high workability, and its production
JP2000248339A (en) * 1999-02-26 2000-09-12 Nisshin Steel Co Ltd Austenitic free cutting stainless steel excellent in workability and corrosion resistance
JP2000303152A (en) * 1999-04-20 2000-10-31 Nisshin Steel Co Ltd Austenitic stainless steel excellent in antibacterial property and hole expanding workability in secondary working and its production
US20020015655A1 (en) * 2000-05-16 2002-02-07 Satoshi Suzuki Austenitic stainless steel excellent in fine blankability
EP1221494A1 (en) * 2001-01-09 2002-07-10 Nisshin Steel Co., Ltd. An austenitic stainless steel less crack-sensitive during forming and a manufacturing method thereof
EP1306258A1 (en) * 2000-08-01 2003-05-02 Nisshin Steel Co., Ltd. Stainless steel fuel tank for automobile
EP1306600A1 (en) * 2000-08-01 2003-05-02 Nisshin Steel Co., Ltd. Stainless steel oil feeding pipe
JP2003129188A (en) * 2001-10-16 2003-05-08 Nisshin Steel Co Ltd Flexible pipe or duct pipe made from stainless steel
EP2060646A1 (en) * 2006-12-27 2009-05-20 Nippon Steel & Sumikin Stainless Steel Corporation Stainless steel sheet for structural members excellent in impact -absorbing characteristics

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09310155A (en) * 1996-05-16 1997-12-02 Nkk Corp Austenitic stainless steel excellent in surface characteristic after working
JPH1036922A (en) * 1996-07-23 1998-02-10 Kawasaki Steel Corp Method for controlling crystalline grain diameter austenitic stainless steel sheet
JP4907151B2 (en) * 2005-11-01 2012-03-28 新日鐵住金ステンレス株式会社 Austenitic high Mn stainless steel for high-pressure hydrogen gas
JP2008208430A (en) * 2007-02-27 2008-09-11 Nippon Steel & Sumikin Stainless Steel Corp Soft austenitic stainless steel and manufacturing method therefor
US8337749B2 (en) * 2007-12-20 2012-12-25 Ati Properties, Inc. Lean austenitic stainless steel
RU2461641C2 (en) 2007-12-20 2012-09-20 ЭйТиАй ПРОПЕРТИЗ, ИНК. Austenitic stainless steel with low content of nickel and including stabilising elements
JP5448023B2 (en) * 2008-02-12 2014-03-19 独立行政法人物質・材料研究機構 Steel fine wire or strip steel plate with excellent plastic workability
JP5308726B2 (en) * 2008-06-17 2013-10-09 新日鐵住金ステンレス株式会社 Austenitic stainless steel sheet for press forming having a fine grain structure and method for producing the same
KR20100069875A (en) * 2008-12-17 2010-06-25 주식회사 포스코 Austenitic stainless steel having excellent hot workability with high manganese
JP5500960B2 (en) * 2009-12-01 2014-05-21 新日鐵住金ステンレス株式会社 Fine grain austenitic stainless steel sheet with excellent stress corrosion cracking resistance and workability
KR101177488B1 (en) * 2009-12-29 2012-08-27 주식회사 포스코 Ultra High strength and high corrosion resistant stainless steel alloy and method for manufacturing the same
US20140060428A1 (en) * 2011-03-01 2014-03-06 Nippon Steel & Sumitomo Metal Corporation Metal plate for laser processing and method for producing stainless steel plate for laser processing
JP5920691B2 (en) * 2011-06-22 2016-05-18 日本精線株式会社 High-strength fine metal wire for saw wire, method for producing the same, and saw wire using the fine metal wire
KR101554771B1 (en) * 2012-12-20 2015-09-21 주식회사 포스코 Super ductile lean duplex stainless steel
JP6340870B2 (en) * 2014-03-31 2018-06-13 新日鐵住金株式会社 Austenitic stainless steel

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0387336A (en) * 1989-08-30 1991-04-12 Nisshin Steel Co Ltd Non-magnetic austenitic stainless steel for quality dinnerware
JPH0770705A (en) * 1993-09-03 1995-03-14 Aichi Steel Works Ltd Austenitic stainless steel excellent in thermal expansion property
JPH07150307A (en) * 1993-11-30 1995-06-13 Kurimoto Ltd T bolt made of austenitic stainless steel and manufacture thereof
JPH09263905A (en) * 1996-03-29 1997-10-07 Nisshin Steel Co Ltd Soft austenitic stainless steel
JPH11181550A (en) * 1997-12-17 1999-07-06 Sanyo Special Steel Co Ltd Austenitic stainless steel excellent in cold workability
JPH11350089A (en) * 1998-06-12 1999-12-21 Nisshin Steel Co Ltd Austenitic stainless steel having excellent antibacterial characteristic and high workability, and its production
JP2000248339A (en) * 1999-02-26 2000-09-12 Nisshin Steel Co Ltd Austenitic free cutting stainless steel excellent in workability and corrosion resistance
JP2000303152A (en) * 1999-04-20 2000-10-31 Nisshin Steel Co Ltd Austenitic stainless steel excellent in antibacterial property and hole expanding workability in secondary working and its production
US20020015655A1 (en) * 2000-05-16 2002-02-07 Satoshi Suzuki Austenitic stainless steel excellent in fine blankability
EP1306258A1 (en) * 2000-08-01 2003-05-02 Nisshin Steel Co., Ltd. Stainless steel fuel tank for automobile
EP1306600A1 (en) * 2000-08-01 2003-05-02 Nisshin Steel Co., Ltd. Stainless steel oil feeding pipe
EP1221494A1 (en) * 2001-01-09 2002-07-10 Nisshin Steel Co., Ltd. An austenitic stainless steel less crack-sensitive during forming and a manufacturing method thereof
JP2003129188A (en) * 2001-10-16 2003-05-08 Nisshin Steel Co Ltd Flexible pipe or duct pipe made from stainless steel
EP2060646A1 (en) * 2006-12-27 2009-05-20 Nippon Steel & Sumikin Stainless Steel Corporation Stainless steel sheet for structural members excellent in impact -absorbing characteristics

Also Published As

Publication number Publication date
KR101659186B1 (en) 2016-09-23
JP2018502991A (en) 2018-02-01
US20170349985A1 (en) 2017-12-07
WO2016104974A1 (en) 2016-06-30
EP3239341A1 (en) 2017-11-01
KR20160079998A (en) 2016-07-07
CN107429367A (en) 2017-12-01

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