EP2476771A4 - Acier inoxydable à deux phases - Google Patents

Acier inoxydable à deux phases

Info

Publication number
EP2476771A4
EP2476771A4 EP10815306.5A EP10815306A EP2476771A4 EP 2476771 A4 EP2476771 A4 EP 2476771A4 EP 10815306 A EP10815306 A EP 10815306A EP 2476771 A4 EP2476771 A4 EP 2476771A4
Authority
EP
European Patent Office
Prior art keywords
stainless steel
phase stainless
phase
steel
stainless
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.)
Granted
Application number
EP10815306.5A
Other languages
German (de)
English (en)
Other versions
EP2476771A1 (fr
EP2476771B1 (fr
Inventor
Hisashi Amaya
Hideki Takabe
Kazuhiro Ogawa
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.)
Nippon Steel Corp
Original Assignee
Nippon Steel and Sumitomo Metal Corp
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 Nippon Steel and Sumitomo Metal Corp filed Critical Nippon Steel and Sumitomo Metal Corp
Priority to EP15156371.5A priority Critical patent/EP2902525B1/fr
Publication of EP2476771A1 publication Critical patent/EP2476771A1/fr
Publication of EP2476771A4 publication Critical patent/EP2476771A4/fr
Application granted granted Critical
Publication of EP2476771B1 publication Critical patent/EP2476771B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C22C38/44—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
    • C22C1/00—Making non-ferrous alloys
    • C22C1/02—Making non-ferrous alloys by melting
    • 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
    • C22C38/18—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
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
  • Arc Welding In General (AREA)
EP10815306.5A 2009-09-10 2010-09-01 Acier inoxydable à deux phases Active EP2476771B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP15156371.5A EP2902525B1 (fr) 2009-09-10 2010-09-01 Aciers inoxydables duplexes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009209160 2009-09-10
PCT/JP2010/064953 WO2011030709A1 (fr) 2009-09-10 2010-09-01 Acier inoxydable à deux phases

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP15156371.5A Division EP2902525B1 (fr) 2009-09-10 2010-09-01 Aciers inoxydables duplexes

Publications (3)

Publication Number Publication Date
EP2476771A1 EP2476771A1 (fr) 2012-07-18
EP2476771A4 true EP2476771A4 (fr) 2014-07-23
EP2476771B1 EP2476771B1 (fr) 2015-03-04

Family

ID=43732382

Family Applications (2)

Application Number Title Priority Date Filing Date
EP15156371.5A Active EP2902525B1 (fr) 2009-09-10 2010-09-01 Aciers inoxydables duplexes
EP10815306.5A Active EP2476771B1 (fr) 2009-09-10 2010-09-01 Acier inoxydable à deux phases

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP15156371.5A Active EP2902525B1 (fr) 2009-09-10 2010-09-01 Aciers inoxydables duplexes

Country Status (10)

Country Link
US (1) US20120177529A1 (fr)
EP (2) EP2902525B1 (fr)
JP (1) JP4640536B1 (fr)
CN (1) CN102482746B (fr)
AU (1) AU2010293591B2 (fr)
BR (1) BR112012005005B1 (fr)
CA (1) CA2770378C (fr)
IN (1) IN2012DN01250A (fr)
MX (2) MX2012002870A (fr)
WO (1) WO2011030709A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2677056B1 (fr) * 2011-02-14 2016-05-18 Nippon Steel & Sumitomo Metal Corporation Acier inoxydable duplex
EP2677054B1 (fr) * 2011-02-14 2020-03-25 Nippon Steel Corporation Tole ou tuyau d'acier inoxydable duplex et procédé pour la production de celui-ci
CN103781931B (zh) * 2011-09-06 2016-06-22 新日铁住金株式会社 双相不锈钢
ES2709028T3 (es) * 2012-03-30 2019-04-12 Nippon Steel & Sumitomo Metal Corp Proceso para la producción de junta soldada
CN103014549B (zh) * 2012-12-26 2015-11-18 振石集团东方特钢股份有限公司 一种高性能双相不锈钢及其加工方法
CN103602915B (zh) * 2013-11-22 2015-11-18 山东建筑大学 高碳高铬双相不锈钢
CN109072386A (zh) 2016-06-01 2018-12-21 新日铁住金株式会社 双相不锈钢和双相不锈钢的制造方法
JP6780426B2 (ja) * 2016-10-06 2020-11-04 日本製鉄株式会社 二相ステンレス鋼
JP6946737B2 (ja) * 2017-05-18 2021-10-06 日本製鉄株式会社 二相ステンレス鋼材及びその製造方法
CN107829029B (zh) * 2017-11-10 2020-02-07 洛阳双瑞特种装备有限公司 一种ZG022Cr22Ni5Mo3N材质双相不锈钢冶炼工艺方法
CN115584443A (zh) * 2021-07-05 2023-01-10 中国石油天然气集团有限公司 一种含铜抗菌双相不锈钢连续管及加工方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55158256A (en) * 1979-05-29 1980-12-09 Daido Steel Co Ltd Ferritic-austenitic two-phase stainless steel
GB2166159A (en) * 1983-01-05 1986-04-30 Carpenter Technology Corp Method of enhancing intergranular corrosion resistance of a weld of the stainless duplex ferritic austenitic steel
EP0261345A1 (fr) * 1986-08-29 1988-03-30 SANDUSKY FOUNDRY & MACHINE Co. Acier inoxydable à microstructure biphasée, résistant à la corrosion par formation de piqûres
US4816085A (en) * 1987-08-14 1989-03-28 Haynes International, Inc. Tough weldable duplex stainless steel wire
JP2000313940A (ja) * 1999-04-27 2000-11-14 Sumitomo Metal Ind Ltd 二相ステンレス鋼材およびその製造方法
WO2001000898A1 (fr) * 1999-06-29 2001-01-04 Sandvik Ab; (Publ) Acier inoxydable duplex

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4604887A (en) * 1984-11-30 1986-08-12 Kawasaki Steel Corporation Duplex stainless steel seamless pipe and a method for producing the same
JP3155431B2 (ja) * 1994-10-26 2001-04-09 株式会社安来製作所 ２相ステンレス鋳造部材およびその製造方法
EP0750053B1 (fr) 1994-12-16 2001-10-10 Sumitomo Metal Industries, Ltd. Acier inoxydable duplex presentant une remarquable resistance a la corrosion
JPH1060598A (ja) * 1996-08-19 1998-03-03 Nkk Corp 耐海水性用析出強化型二相ステンレス鋼
US6033497A (en) * 1997-09-05 2000-03-07 Sandusky International, Inc. Pitting resistant duplex stainless steel alloy with improved machinability and method of making thereof
JP2003171743A (ja) 2001-12-06 2003-06-20 Aichi Steel Works Ltd 強度、靭性、耐海水性の優れた二相ステンレス鋼及びその製造方法
JP2004277767A (ja) * 2003-03-13 2004-10-07 Nisshin Steel Co Ltd 自動車の給油管および燃料タンク用オーステナイト系ステンレス鋼並びに自動車の給油管および燃料タンク
JP4915121B2 (ja) * 2006-03-31 2012-04-11 住友金属工業株式会社 二相ステンレス鋼継目無管の製造方法
JP5072285B2 (ja) * 2006-08-08 2012-11-14 新日鐵住金ステンレス株式会社 二相ステンレス鋼
JP5171197B2 (ja) * 2007-10-10 2013-03-27 新日鐵住金ステンレス株式会社 冷間鍛造性に優れた高強度・高耐食ボルト用２相ステンレス鋼線材、鋼線およびボルト並びにその製造方法
EP2677054B1 (fr) * 2011-02-14 2020-03-25 Nippon Steel Corporation Tole ou tuyau d'acier inoxydable duplex et procédé pour la production de celui-ci
EP2677056B1 (fr) * 2011-02-14 2016-05-18 Nippon Steel & Sumitomo Metal Corporation Acier inoxydable duplex

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55158256A (en) * 1979-05-29 1980-12-09 Daido Steel Co Ltd Ferritic-austenitic two-phase stainless steel
GB2166159A (en) * 1983-01-05 1986-04-30 Carpenter Technology Corp Method of enhancing intergranular corrosion resistance of a weld of the stainless duplex ferritic austenitic steel
EP0261345A1 (fr) * 1986-08-29 1988-03-30 SANDUSKY FOUNDRY & MACHINE Co. Acier inoxydable à microstructure biphasée, résistant à la corrosion par formation de piqûres
US4816085A (en) * 1987-08-14 1989-03-28 Haynes International, Inc. Tough weldable duplex stainless steel wire
JP2000313940A (ja) * 1999-04-27 2000-11-14 Sumitomo Metal Ind Ltd 二相ステンレス鋼材およびその製造方法
WO2001000898A1 (fr) * 1999-06-29 2001-01-04 Sandvik Ab; (Publ) Acier inoxydable duplex

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2011030709A1 *

Also Published As

Publication number Publication date
MX352395B (es) 2017-11-22
IN2012DN01250A (fr) 2015-05-15
BR112012005005B1 (pt) 2023-01-24
CN102482746B (zh) 2016-06-22
AU2010293591A1 (en) 2012-03-01
CN102482746A (zh) 2012-05-30
EP2476771A1 (fr) 2012-07-18
EP2476771B1 (fr) 2015-03-04
EP2902525A1 (fr) 2015-08-05
CA2770378C (fr) 2014-02-18
EP2902525B1 (fr) 2016-05-11
JPWO2011030709A1 (ja) 2013-02-07
JP4640536B1 (ja) 2011-03-02
US20120177529A1 (en) 2012-07-12
WO2011030709A1 (fr) 2011-03-17
AU2010293591B2 (en) 2013-01-17
BR112012005005A2 (pt) 2016-05-03
CA2770378A1 (fr) 2011-03-17
MX2012002870A (es) 2012-04-20

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