EP3556892A4 - Tôle d'acier faiblement allié ayant une résistance et une ductilité excellentes - Google Patents

Tôle d'acier faiblement allié ayant une résistance et une ductilité excellentes Download PDF

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Publication number
EP3556892A4
EP3556892A4 EP17881659.1A EP17881659A EP3556892A4 EP 3556892 A4 EP3556892 A4 EP 3556892A4 EP 17881659 A EP17881659 A EP 17881659A EP 3556892 A4 EP3556892 A4 EP 3556892A4
Authority
EP
European Patent Office
Prior art keywords
ductility
steel sheet
alloy steel
excellent strength
low alloy
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Withdrawn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
EP17881659.1A
Other languages
German (de)
English (en)
Other versions
EP3556892A1 (fr
Inventor
Jeom Yong Choi
Mi Nam Park
Min Hyoung 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 EP3556892A1 publication Critical patent/EP3556892A1/fr
Publication of EP3556892A4 publication Critical patent/EP3556892A4/fr
Withdrawn legal-status Critical Current

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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
    • C22C38/18—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
    • C22C38/001—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
    • C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
    • 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
    • C22C38/22—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
    • C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
    • C22C38/38—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
    • 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
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • 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
    • C21D2211/005—Ferrite
    • 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
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—Hot rolling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
EP17881659.1A 2016-12-13 2017-05-24 Tôle d'acier faiblement allié ayant une résistance et une ductilité excellentes Withdrawn EP3556892A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020160169693A KR101903174B1 (ko) 2016-12-13 2016-12-13 강도 및 연성이 우수한 저합금 강판
PCT/KR2017/005381 WO2018110779A1 (fr) 2016-12-13 2017-05-24 Tôle d'acier faiblement allié ayant une résistance et une ductilité excellentes

Publications (2)

Publication Number Publication Date
EP3556892A1 EP3556892A1 (fr) 2019-10-23
EP3556892A4 true EP3556892A4 (fr) 2019-10-23

Family

ID=62559145

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17881659.1A Withdrawn EP3556892A4 (fr) 2016-12-13 2017-05-24 Tôle d'acier faiblement allié ayant une résistance et une ductilité excellentes

Country Status (6)

Country Link
US (1) US20200080178A1 (fr)
EP (1) EP3556892A4 (fr)
JP (1) JP2020509175A (fr)
KR (1) KR101903174B1 (fr)
CN (1) CN110062814A (fr)
WO (1) WO2018110779A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101952818B1 (ko) * 2017-09-25 2019-02-28 주식회사포스코 강도 및 연성이 우수한 저합금 강판 및 이의 제조방법
CN110396691B (zh) * 2019-08-27 2021-08-24 贵州大学 一种6061铝合金表面处理方法
KR102326684B1 (ko) 2019-09-17 2021-11-17 주식회사 포스코 크리프 강도와 고온 연성이 우수한 크롬강판 및 그 제조방법
KR102272785B1 (ko) * 2019-10-29 2021-07-05 주식회사 포스코 항복비가 향상된 오스테나이트계 스테인리스강 및 그 제조 방법
KR102385472B1 (ko) * 2020-04-22 2022-04-13 주식회사 포스코 고강도, 고성형의 저원가 오스테나이트계 스테인리스강 및 그 제조방법
KR102403849B1 (ko) * 2020-06-23 2022-05-30 주식회사 포스코 생산성 및 원가 절감 효과가 우수한 고강도 오스테나이트계 스테인리스강 및 이의 제조방법

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH032357A (ja) * 1989-05-31 1991-01-08 Nippon Metal Ind Co Ltd ニッケル節減型オーステナイト系ステンレス鋼
JP2009030128A (ja) * 2007-07-30 2009-02-12 Nippon Steel & Sumikin Stainless Steel Corp 衝撃吸収特性に優れた構造部材用オーステナイト系ステンレス鋼板
JP2011202237A (ja) * 2010-03-26 2011-10-13 Nippon Steel & Sumikin Stainless Steel Corp 構造部材用高強度および高延性オーステナイト系ステンレス鋼板およびその製造方法
JP2012126992A (ja) * 2010-11-25 2012-07-05 Jfe Steel Corp 燃料タンク用オーステナイト・フェライト系二相ステンレス鋼
WO2013133259A1 (fr) * 2012-03-09 2013-09-12 新日鐵住金ステンレス株式会社 Plaque d'acier inoxydable à 2 phases austénitique/ferritique ayant une anisotropie faible dans le plan et procédé de production associé
WO2016027009A1 (fr) * 2014-08-21 2016-02-25 Outokumpu Oyj Acier inoxydable austénitique à résistance élevée et son procédé de production

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JPS505968B1 (fr) * 1970-04-30 1975-03-10
FR2766843B1 (fr) * 1997-07-29 1999-09-03 Usinor Acier inoxydable austenitique comportant une tres faible teneur en nickel
DE102005024029B3 (de) 2005-05-23 2007-01-04 Technische Universität Bergakademie Freiberg Austenitischer Leichtbaustahl und seine Verwendung
DE102005030413C5 (de) 2005-06-28 2009-12-10 Technische Universität Bergakademie Freiberg Hochfester austenitisch-martensitischer Leichtbaustahl und seine Verwendung
US7682471B2 (en) * 2006-07-10 2010-03-23 Trw Automotive U.S. Llc Austenitic iron-based alloy
JP4976985B2 (ja) * 2007-11-14 2012-07-18 株式会社神戸製鋼所 低温ねじれ特性に優れた線材・棒鋼の製造方法
JP2011219809A (ja) * 2010-04-08 2011-11-04 Honda Motor Co Ltd 高強度鋼板
IT1403129B1 (it) 2010-12-07 2013-10-04 Ct Sviluppo Materiali Spa Procedimento per la produzione di acciaio ad alto manganese con resistenza meccanica e formabilità elevate, ed acciaio così ottenibile.
KR20120063793A (ko) * 2010-12-08 2012-06-18 주식회사 포스코 가공성이 우수한 페라이트계 스테인레스강
JP5440672B2 (ja) * 2011-09-16 2014-03-12 Ｊｆｅスチール株式会社 加工性に優れた高強度鋼板およびその製造方法
CN104379773B (zh) * 2012-01-20 2017-09-12 索罗不锈有限责任公司 奥氏体不锈钢产品及其制造方法
ITRM20120647A1 (it) * 2012-12-19 2014-06-20 Ct Sviluppo Materiali Spa ACCIAIO INOSSIDABILE AUSTENITICO AD ELEVATA PLASTICITÀ INDOTTA DA GEMINAZIONE, PROCEDIMENTO PER LA SUA PRODUZIONE, E SUO USO NELLÂeuro¿INDUSTRIA MECCANICA.
CN103205655A (zh) * 2013-03-21 2013-07-17 宝钢不锈钢有限公司 一种含Sn奥氏体不锈钢及其制造方法
CN103966528A (zh) * 2014-04-29 2014-08-06 宝钢不锈钢有限公司 一种含Sn奥氏体不锈钢及其制造方法
KR101668533B1 (ko) * 2014-12-26 2016-10-24 주식회사 포스코 표면 품질이 우수한 듀플렉스 스테인리스강

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH032357A (ja) * 1989-05-31 1991-01-08 Nippon Metal Ind Co Ltd ニッケル節減型オーステナイト系ステンレス鋼
JP2009030128A (ja) * 2007-07-30 2009-02-12 Nippon Steel & Sumikin Stainless Steel Corp 衝撃吸収特性に優れた構造部材用オーステナイト系ステンレス鋼板
JP2011202237A (ja) * 2010-03-26 2011-10-13 Nippon Steel & Sumikin Stainless Steel Corp 構造部材用高強度および高延性オーステナイト系ステンレス鋼板およびその製造方法
JP2012126992A (ja) * 2010-11-25 2012-07-05 Jfe Steel Corp 燃料タンク用オーステナイト・フェライト系二相ステンレス鋼
WO2013133259A1 (fr) * 2012-03-09 2013-09-12 新日鐵住金ステンレス株式会社 Plaque d'acier inoxydable à 2 phases austénitique/ferritique ayant une anisotropie faible dans le plan et procédé de production associé
WO2016027009A1 (fr) * 2014-08-21 2016-02-25 Outokumpu Oyj Acier inoxydable austénitique à résistance élevée et son procédé de production

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2018110779A1 *

Also Published As

Publication number Publication date
WO2018110779A1 (fr) 2018-06-21
KR20180068088A (ko) 2018-06-21
KR101903174B1 (ko) 2018-10-01
US20200080178A1 (en) 2020-03-12
EP3556892A1 (fr) 2019-10-23
CN110062814A (zh) 2019-07-26
JP2020509175A (ja) 2020-03-26

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