CA2785318C - Materiau d'acier austenitique a ductilite superieure - Google Patents

Materiau d'acier austenitique a ductilite superieure Download PDF

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Publication number
CA2785318C
CA2785318C CA2785318A CA2785318A CA2785318C CA 2785318 C CA2785318 C CA 2785318C CA 2785318 A CA2785318 A CA 2785318A CA 2785318 A CA2785318 A CA 2785318A CA 2785318 C CA2785318 C CA 2785318C
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CA
Canada
Prior art keywords
steel
austenite
inventive
manganese
carbon
Prior art date
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Active
Application number
CA2785318A
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English (en)
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CA2785318A1 (fr
Inventor
Soon-Gi Lee
Jong-Kyo Choi
Hyun-Kwan Cho
Hee-Goon Noh
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
Priority claimed from KR1020090132105A external-priority patent/KR101322170B1/ko
Priority claimed from KR1020100133641A external-priority patent/KR101253860B1/ko
Application filed by Posco Co Ltd filed Critical Posco Co Ltd
Publication of CA2785318A1 publication Critical patent/CA2785318A1/fr
Application granted granted Critical
Publication of CA2785318C publication Critical patent/CA2785318C/fr
Active 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
    • C22C38/04—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
    • C22C38/16—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
    • C22C38/20—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
    • C22C38/18—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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

Un aspect de la présente invention concerne un matériau d'acier austénitique à ductilité supérieure, qui comprend, en pourcentage de poids, de 8 à 15% de manganèse (Mn) et pas plus de 3% (à l'exclusion de 0%) de cuivre (Cu), avec une teneur en carbone (C) satisfaisant à la fois 33.5C+Mn=25 et 33.5C-Mn=23, le restant étant constitué par du fer et des impuretés inévitables. La ductilité et la résistance à l'abrasion s'en trouvent améliorées au même titre que la viabilité économique dans la mesure ou l'austénite est stabilisée et qu'il n'y a plus de carbures sous forme réticulée aux frontière des grains d'austénite grâce à l'adjonction de cuivre, lequel permet mieux de supprimer la formation de carbures que le manganèse, et à une limitation appropriée des teneurs en carbone et en manganèse.
CA2785318A 2009-12-28 2010-12-28 Materiau d'acier austenitique a ductilite superieure Active CA2785318C (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
KR10-2009-0132105 2009-12-28
KR1020090132105A KR101322170B1 (ko) 2009-12-28 2009-12-28 연성이 우수한 강재
KR10-2010-0133641 2010-12-23
KR1020100133641A KR101253860B1 (ko) 2010-12-23 2010-12-23 내식성 및 내마모성이 우수한 고연성 강재
PCT/KR2010/009393 WO2011081393A2 (fr) 2009-12-28 2010-12-28 Matériau d'acier austénitique à ductilité supérieure

Publications (2)

Publication Number Publication Date
CA2785318A1 CA2785318A1 (fr) 2011-07-07
CA2785318C true CA2785318C (fr) 2014-06-10

Family

ID=44227000

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2785318A Active CA2785318C (fr) 2009-12-28 2010-12-28 Materiau d'acier austenitique a ductilite superieure

Country Status (6)

Country Link
US (1) US20120288396A1 (fr)
EP (1) EP2520684B9 (fr)
JP (1) JP5668081B2 (fr)
CN (1) CN102906294A (fr)
CA (1) CA2785318C (fr)
WO (1) WO2011081393A2 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10655196B2 (en) 2011-12-27 2020-05-19 Posco Austenitic steel having excellent machinability and ultra-low temperature toughness in weld heat-affected zone, and method of manufacturing the same
WO2013100612A1 (fr) * 2011-12-28 2013-07-04 주식회사 포스코 Acier austénitique résistant à l'usure et présentant une usinabilité et une résistance améliorées dans des zones affectées par la température de soudage, et procédé de production correspondant
CN104204262B (zh) * 2011-12-28 2018-02-02 Posco公司 具有优异的机械加工性及延展性的耐磨奥氏体钢及其生产方法
WO2014104706A1 (fr) 2012-12-26 2014-07-03 주식회사 포스코 Acier à base austénitique à haute résistance ayant une ténacité remarquable d'une zone affectée par la chaleur de soudage et son procédé de préparation
KR101490567B1 (ko) * 2012-12-27 2015-02-05 주식회사 포스코 용접성이 우수한 고망간 내마모강 및 그 제조방법
US10229776B2 (en) * 2013-10-31 2019-03-12 General Electric Company Multi-phase magnetic component and method of forming
US9634549B2 (en) * 2013-10-31 2017-04-25 General Electric Company Dual phase magnetic material component and method of forming
US10229777B2 (en) * 2013-10-31 2019-03-12 General Electric Company Graded magnetic component and method of forming
KR101611697B1 (ko) * 2014-06-17 2016-04-14 주식회사 포스코 확관성과 컬렙스 저항성이 우수한 고강도 확관용 강재 및 확관된 강관과 이들의 제조방법
KR101917473B1 (ko) * 2016-12-23 2018-11-09 주식회사 포스코 내마모성과 인성이 우수한 오스테나이트계 강재 및 그 제조방법
KR102020381B1 (ko) * 2017-12-22 2019-09-10 주식회사 포스코 내마모성이 우수한 강재 및 그 제조방법
CN109023042A (zh) * 2018-07-25 2018-12-18 包头钢铁（集团）有限责任公司 500MPa级抗震耐氯离子腐蚀钢筋及其制造方法
US11661646B2 (en) 2021-04-21 2023-05-30 General Electric Comapny Dual phase magnetic material component and method of its formation
US11926880B2 (en) 2021-04-21 2024-03-12 General Electric Company Fabrication method for a component having magnetic and non-magnetic dual phases

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB584669A (en) * 1942-07-22 1947-01-21 Electro Metallurg Co Improvements in and relating to cold rolled alloy iron or alloy steel articles
AT248481B (de) * 1963-09-03 1966-07-25 Boehler & Co Ag Geb Unmagnetisierbare Manganstähle für Zwecke, bei welchen die Gefahr der Spannungsrißkorrosion bei Einwirkung von neutralen Salzlösungen, insbesondere Seewasser, besteht
JPS5481119A (en) * 1977-12-12 1979-06-28 Sumitomo Metal Ind Ltd Nonmagnetic steel excellent in machinability
JPS6036647A (ja) * 1983-08-06 1985-02-25 Kawasaki Steel Corp 局部腐食抵抗性に優れる高マンガン鋼
JPH02270937A (ja) * 1985-10-18 1990-11-06 Ube Ind Ltd 高ころがり疲労特性を有する高マンガン鋼およびその製造方法
JPS6335758A (ja) * 1986-07-30 1988-02-16 Nippon Kokan Kk <Nkk> 酸化物分散強化型高マンガンオ−ステナイト鋼
FI904500A (fi) * 1990-09-12 1992-03-13 Lokomo Oy Slitstarket staol och foerfarande foer framstaellning av detta.
JPH07107187B2 (ja) * 1990-10-15 1995-11-15 新日本製鐵株式会社 応力腐食割れ感受性の小さい高Ｍｎ非磁性鋼
KR940007374B1 (ko) * 1992-07-24 1994-08-16 포항종합제철 주식회사 성형성, 강도 및 용접성이 우수한 오스테나이트계 고 망간강과 그 제조방법
US6572713B2 (en) * 2000-10-19 2003-06-03 The Frog Switch And Manufacturing Company Grain-refined austenitic manganese steel casting having microadditions of vanadium and titanium and method of manufacturing
DE10128544C2 (de) * 2001-06-13 2003-06-05 Thyssenkrupp Stahl Ag Höherfestes, kaltumformbares Stahlblech, Verfahren zu seiner Herstellung und Verwendung eines solchen Blechs
KR20070099684A (ko) * 2005-02-02 2007-10-09 코루스 스타알 베.뷔. 고강도 및 양호한 성형성을 갖는 오스테나이트계 강, 상기강의 제조방법 및 상기 강의 용도
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Also Published As

Publication number Publication date
EP2520684A2 (fr) 2012-11-07
JP5668081B2 (ja) 2015-02-12
WO2011081393A3 (fr) 2011-11-10
EP2520684B9 (fr) 2017-01-04
JP2013515864A (ja) 2013-05-09
WO2011081393A2 (fr) 2011-07-07
CA2785318A1 (fr) 2011-07-07
EP2520684B1 (fr) 2016-10-26
CN102906294A (zh) 2013-01-30
US20120288396A1 (en) 2012-11-15
EP2520684A4 (fr) 2015-01-14

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