WO2010101448A2 - 고온강도가 우수한 스테인레스 강재 및 그 제조방법 - Google Patents

고온강도가 우수한 스테인레스 강재 및 그 제조방법 Download PDF

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Publication number
WO2010101448A2
WO2010101448A2 PCT/KR2010/001436 KR2010001436W WO2010101448A2 WO 2010101448 A2 WO2010101448 A2 WO 2010101448A2 KR 2010001436 W KR2010001436 W KR 2010001436W WO 2010101448 A2 WO2010101448 A2 WO 2010101448A2
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WO
WIPO (PCT)
Prior art keywords
stainless steel
steel material
temperature strength
production method
method therefor
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Application number
PCT/KR2010/001436
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English (en)
French (fr)
Other versions
WO2010101448A3 (ko
Inventor
이승철
박대범
정우상
김동익
이영수
김덕령
이동희
Original Assignee
한국과학기술연구원
포스코특수강 주식회사
심재혁
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 한국과학기술연구원, 포스코특수강 주식회사, 심재혁 filed Critical 한국과학기술연구원
Priority to EP10748990.8A priority Critical patent/EP2405027A4/en
Priority to US13/254,923 priority patent/US20120018054A1/en
Publication of WO2010101448A2 publication Critical patent/WO2010101448A2/ko
Publication of WO2010101448A3 publication Critical patent/WO2010101448A3/ko

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    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • 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
    • 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
    • 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
    • C22C38/06—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
    • C22C38/18—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
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • 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
    • C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
    • 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

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

Abstract

본 발명은 고온강도가 우수한 스테인레스 강재 및 그 제조방법에 관한 것으로, 보다 상세하게는 발전 플랜트 등과 같이 고온의 부식성 환경에서 사용하여도 우수한 내식성은 물론이고 고온 강도 및 크리프(creep)강도가 우수한 오스테나이트계 스테인레스 강재 및 그 제조방법에 관한 것이다. 상기 본 발명의 과제를 해결하기 위한 본 발명의 스테인레스 강재는 석출지수가 1.5~2.5인 것을 특징으로 한다.
PCT/KR2010/001436 2009-03-06 2010-03-08 고온강도가 우수한 스테인레스 강재 및 그 제조방법 WO2010101448A2 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP10748990.8A EP2405027A4 (en) 2009-03-06 2010-03-08 STAINLESS STEEL MATERIAL HAVING EXCEPTIONAL HIGH TEMPERATURE RESISTANCE AND METHOD FOR PRODUCING THE SAME
US13/254,923 US20120018054A1 (en) 2009-03-06 2010-03-08 Stainless steel material having outstanding high-temperature strength, and a production method therefor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2009-0019174 2009-03-06
KR1020090019174A KR101091863B1 (ko) 2009-03-06 2009-03-06 고온강도가 우수한 스테인레스 강재 및 그 제조방법

Publications (2)

Publication Number Publication Date
WO2010101448A2 true WO2010101448A2 (ko) 2010-09-10
WO2010101448A3 WO2010101448A3 (ko) 2010-12-09

Family

ID=42710141

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2010/001436 WO2010101448A2 (ko) 2009-03-06 2010-03-08 고온강도가 우수한 스테인레스 강재 및 그 제조방법

Country Status (4)

Country Link
US (1) US20120018054A1 (ko)
EP (1) EP2405027A4 (ko)
KR (1) KR101091863B1 (ko)
WO (1) WO2010101448A2 (ko)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011054718B4 (de) * 2011-10-21 2014-02-13 Hitachi Power Europe Gmbh Verfahren zur Erzeugung einer Spannungsverminderung in errichteten Rohrwänden eines Dampferzeugers
JP6244939B2 (ja) * 2014-01-24 2017-12-13 新日鐵住金株式会社 オーステナイト系ステンレス鋼管
JP6244938B2 (ja) * 2014-01-24 2017-12-13 新日鐵住金株式会社 オーステナイト系ステンレス鋼溶接継手
CN104120368B (zh) * 2014-06-26 2018-11-06 宝钢不锈钢有限公司 一种汽车车架用高强度奥氏体不锈钢及其制造方法
US11149324B2 (en) * 2015-03-26 2021-10-19 Nippon Steel Stainless Steel Corporation High strength austenitic stainless steel having excellent resistance to hydrogen embrittlement, method for manufacturing the same, and hydrogen equipment used for high-pressure hydrogen gas and liquid hydrogen environment
CN105671453A (zh) * 2016-03-19 2016-06-15 上海大学 一种高持久强度奥氏体耐热钢
CN109554629A (zh) * 2017-09-27 2019-04-02 宝山钢铁股份有限公司 一种超超临界火电机组用钢及其制备方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002212634A (ja) * 2000-11-17 2002-07-31 Nippon Steel Corp クリープ破断強度に優れたオーステナイト系耐熱鋼管の製造方法
US20020110476A1 (en) * 2000-12-14 2002-08-15 Maziasz Philip J. Heat and corrosion resistant cast stainless steels with improved high temperature strength and ductility
JP3632672B2 (ja) * 2002-03-08 2005-03-23 住友金属工業株式会社 耐水蒸気酸化性に優れたオーステナイト系ステンレス鋼管およびその製造方法
JP3838216B2 (ja) * 2003-04-25 2006-10-25 住友金属工業株式会社 オーステナイト系ステンレス鋼
CN1833043B (zh) * 2003-06-10 2010-09-22 住友金属工业株式会社 氢气用奥氏体不锈钢及其制造方法
KR100931448B1 (ko) * 2005-04-04 2009-12-11 수미도모 메탈 인더스트리즈, 리미티드 오스테나이트계 스테인레스강
EP2119802B1 (en) * 2007-01-15 2019-03-20 Nippon Steel & Sumitomo Metal Corporation Austenitic stainless steel welded joint and austenitic stainless steel welding material
CN104611624B (zh) * 2007-10-04 2018-04-03 新日铁住金株式会社 奥氏体系不锈钢

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
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Also Published As

Publication number Publication date
KR101091863B1 (ko) 2011-12-12
WO2010101448A3 (ko) 2010-12-09
KR20100100344A (ko) 2010-09-15
EP2405027A2 (en) 2012-01-11
EP2405027A4 (en) 2013-06-12
US20120018054A1 (en) 2012-01-26

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