EP2172574A4 - Ferritisch-austenitischer edelstahl mit hervorragender korrosionsbeständigkeit und bearbeitbarkeit sowie herstellungsverfahren dafür - Google Patents

Ferritisch-austenitischer edelstahl mit hervorragender korrosionsbeständigkeit und bearbeitbarkeit sowie herstellungsverfahren dafür Download PDF

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Publication number
EP2172574A4
EP2172574A4 EP08792317.3A EP08792317A EP2172574A4 EP 2172574 A4 EP2172574 A4 EP 2172574A4 EP 08792317 A EP08792317 A EP 08792317A EP 2172574 A4 EP2172574 A4 EP 2172574A4
Authority
EP
European Patent Office
Prior art keywords
ferritic
workability
manufacturing
stainless steel
same
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
EP08792317.3A
Other languages
English (en)
French (fr)
Other versions
EP2172574A1 (de
EP2172574B1 (de
Inventor
Masaharu Hatano
Akihiko Takahashi
Eiichiro Ishimaru
Ken Kimura
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 Stainless Steel Corp
Original Assignee
Nippon Steel and Sumikin Stainless Steel 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
Priority claimed from JP2007202016A external-priority patent/JP5156293B2/ja
Priority claimed from JP2007222259A external-priority patent/JP5213386B2/ja
Application filed by Nippon Steel and Sumikin Stainless Steel Corp filed Critical Nippon Steel and Sumikin Stainless Steel Corp
Priority to EP18188353.9A priority Critical patent/EP3434802B1/de
Publication of EP2172574A1 publication Critical patent/EP2172574A1/de
Publication of EP2172574A4 publication Critical patent/EP2172574A4/de
Application granted granted Critical
Publication of EP2172574B1 publication Critical patent/EP2172574B1/de
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
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/005—Heat treatment of ferrous alloys containing Mn
    • 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
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0236—Cold 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • 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
    • 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

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 Sheet Steel (AREA)
EP08792317.3A 2007-08-02 2008-08-01 Ferritisch-austenitischer edelstahl mit hervorragender korrosionsbeständigkeit und bearbeitbarkeit sowie herstellungsverfahren dafür Active EP2172574B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP18188353.9A EP3434802B1 (de) 2007-08-02 2008-08-01 Ferritisch-austenitischer edelstahl mit hervorragender korrosionsbeständigkeit und bearbeitbarkeit

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2007202016A JP5156293B2 (ja) 2007-08-02 2007-08-02 耐食性と加工性に優れたフェライト・オーステナイト系ステンレス鋼およびその製造方法
JP2007222259A JP5213386B2 (ja) 2007-08-29 2007-08-29 成形性に優れたフェライト・オーステナイト系ステンレス鋼薄板及びその製造方法
PCT/JP2008/064260 WO2009017258A1 (ja) 2007-08-02 2008-08-01 耐食性と加工性に優れたフェライト・オーステナイト系ステンレス鋼およびその製造方法

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP18188353.9A Division EP3434802B1 (de) 2007-08-02 2008-08-01 Ferritisch-austenitischer edelstahl mit hervorragender korrosionsbeständigkeit und bearbeitbarkeit
EP18188353.9A Division-Into EP3434802B1 (de) 2007-08-02 2008-08-01 Ferritisch-austenitischer edelstahl mit hervorragender korrosionsbeständigkeit und bearbeitbarkeit

Publications (3)

Publication Number Publication Date
EP2172574A1 EP2172574A1 (de) 2010-04-07
EP2172574A4 true EP2172574A4 (de) 2017-06-07
EP2172574B1 EP2172574B1 (de) 2019-01-23

Family

ID=40304477

Family Applications (2)

Application Number Title Priority Date Filing Date
EP18188353.9A Active EP3434802B1 (de) 2007-08-02 2008-08-01 Ferritisch-austenitischer edelstahl mit hervorragender korrosionsbeständigkeit und bearbeitbarkeit
EP08792317.3A Active EP2172574B1 (de) 2007-08-02 2008-08-01 Ferritisch-austenitischer edelstahl mit hervorragender korrosionsbeständigkeit und bearbeitbarkeit sowie herstellungsverfahren dafür

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP18188353.9A Active EP3434802B1 (de) 2007-08-02 2008-08-01 Ferritisch-austenitischer edelstahl mit hervorragender korrosionsbeständigkeit und bearbeitbarkeit

Country Status (6)

Country Link
US (2) US20100126644A1 (de)
EP (2) EP3434802B1 (de)
KR (2) KR101253326B1 (de)
CN (1) CN101765671B (de)
ES (2) ES2817436T3 (de)
WO (1) WO2009017258A1 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI394848B (zh) * 2007-10-10 2013-05-01 Nippon Steel & Sumikin Sst 雙相不銹鋼線材、鋼線及螺釘以及其製造方法
JP5335503B2 (ja) * 2009-03-19 2013-11-06 新日鐵住金ステンレス株式会社 プレス成形性に優れた二相ステンレス鋼板
JP5500960B2 (ja) * 2009-12-01 2014-05-21 新日鐵住金ステンレス株式会社 耐応力腐食割れ性と加工性に優れた微細粒オーステナイト系ステンレス鋼板
JP5610796B2 (ja) * 2010-03-08 2014-10-22 新日鐵住金ステンレス株式会社 炭化水素燃焼排ガスから発生する凝縮水環境における耐食性に優れるフェライト系ステンレス鋼
KR20120132691A (ko) * 2010-04-29 2012-12-07 오또꿈뿌 오와이제이 높은 성형성을 구비하는 페라이트-오스테나이트계 스테인리스 강의 제조 및 사용 방법
FI122657B (fi) * 2010-04-29 2012-05-15 Outokumpu Oy Menetelmä korkean muokattavuuden omaavan ferriittis-austeniittisen ruostumattoman teräksen valmistamiseksi ja hyödyntämiseksi
DE102012100908A1 (de) * 2012-02-03 2013-08-08 Klaus Kuhn Edelstahlgiesserei Gmbh Duplexstahl mit verbesserter Kerbschlagzähigkeit und Zerspanbarkeit
JP5869922B2 (ja) * 2012-03-09 2016-02-24 新日鐵住金ステンレス株式会社 面内異方性が小さいフェライト・オーステナイト２相ステンレス鋼板およびその製造方法
SE536835C2 (sv) * 2012-10-05 2014-09-30 Sandvik Intellectual Property En luftledning för elkraft
FI125734B (en) 2013-06-13 2016-01-29 Outokumpu Oy Duplex ferritic austenitic stainless steel
TWI490343B (zh) * 2013-07-04 2015-07-01 China Steel Corp 沃斯田鐵系合金板材及其製造方法
CN103667950A (zh) * 2013-12-05 2014-03-26 宁波宝新不锈钢有限公司 一种适于冷冲压加工的430不锈钢及其制造方法
FI125466B (en) * 2014-02-03 2015-10-15 Outokumpu Oy DUPLEX STAINLESS STEEL
FI126577B (en) * 2014-06-17 2017-02-28 Outokumpu Oy DUPLEX STAINLESS STEEL
WO2016105145A1 (ko) * 2014-12-26 2016-06-30 (주)포스코 린 듀플렉스 스테인리스강 및 그 제조방법
KR101668535B1 (ko) * 2014-12-26 2016-10-24 주식회사 포스코 페라이트계 스테인리스강
KR101668532B1 (ko) * 2014-12-26 2016-10-24 주식회사 포스코 항복강도 및 충격인성이 우수한 슈퍼 듀플렉스 스테인리스강 및 그 제조방법
CN108026620B (zh) * 2015-10-30 2021-02-26 株式会社日立制作所 弥散强化型奥氏体系不锈钢钢材、该不锈钢钢材的制造方法和由该不锈钢钢材形成的制造物
WO2017141907A1 (ja) 2016-02-17 2017-08-24 新日鐵住金ステンレス株式会社 フェライト‐オーステナイト系二相ステンレス鋼材とその製造方法
JP6384638B1 (ja) 2017-01-23 2018-09-05 Ｊｆｅスチール株式会社 フェライト・オーステナイト系二相ステンレス鋼板
JP6347864B1 (ja) * 2017-03-24 2018-06-27 日新製鋼株式会社 オーステナイト系ステンレス鋼スラブの製造方法
KR102326262B1 (ko) * 2019-12-18 2021-11-15 주식회사 포스코 고항복비 고강도 오스테나이트계 스테인리스강
JP7499621B2 (ja) 2020-06-23 2024-06-14 日鉄ステンレス株式会社 二相ステンレス鋼板および二相ステンレス鋼板の製造方法
KR102537950B1 (ko) * 2020-12-14 2023-05-31 주식회사 포스코 고온 연화저항성이 향상된 오스테나이트계 스테인리스강
CN114164373B (zh) * 2021-11-10 2022-11-11 中国兵器科学研究院宁波分院 一种Nb微合金化双相不锈钢及其制备方法
CN114045384B (zh) * 2021-11-10 2023-09-08 中国兵器科学研究院宁波分院 改善低镍铁素体-奥氏体型不锈钢低温冲击韧性的方法
KR20230166672A (ko) * 2022-05-31 2023-12-07 주식회사 포스코 오스테나이트계 스테인리스강 및 그 제조방법
CN115821153A (zh) * 2022-06-27 2023-03-21 浙江吉森金属科技有限公司 一种温度传感器外壳用不锈钢及其制造方法
WO2024172023A1 (ja) * 2023-02-13 2024-08-22 日鉄ステンレス株式会社 フェライト・オーステナイト系二相ステンレス鋼板

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02305940A (ja) * 1989-05-22 1990-12-19 Nippon Steel Corp 建築建材用二相ステンレス鋼
EP0889145A1 (de) * 1997-06-30 1999-01-07 Usinor Rostfreier austenoferritischer Stahl mit sehr niedrigem Nickelgehalt und hoher Zugverformung
JP2006200035A (ja) * 2004-03-16 2006-08-03 Jfe Steel Kk 張り出し成形性と耐隙間部腐食性が優れたフェライト・オーステナイト系ステンレス鋼
JP2006233308A (ja) * 2005-02-28 2006-09-07 Jfe Steel Kk 耐粒界腐食性に優れるオーステナイト・フェライト系ステンレス鋼
EP1715073A1 (de) * 2004-01-29 2006-10-25 JFE Steel Corporation Austenitisch-ferritischer nichtrostender stahl
JP2007154283A (ja) * 2005-12-07 2007-06-21 Jfe Steel Kk 成形性および形状凍結性に優れる高強度鋼板

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JPS6052523A (ja) * 1983-09-01 1985-03-25 Nippon Stainless Steel Co Ltd フエライト−オ−ステナイト二相ステンレス鋼の製造方法
JP2789918B2 (ja) 1992-03-03 1998-08-27 住友金属工業株式会社 耐候性に優れた二相ステンレス鋼
JP3463500B2 (ja) 1997-02-07 2003-11-05 Ｊｆｅスチール株式会社 延性に優れたフェライト系ステンレス鋼およびその製造方法
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
SE517449C2 (sv) 2000-09-27 2002-06-04 Avesta Polarit Ab Publ Ferrit-austenitiskt rostfritt stål
KR100460346B1 (ko) * 2002-03-25 2004-12-08 이인성 금속간상의 형성이 억제된 내식성, 내취화성, 주조성 및열간가공성이 우수한 슈퍼 듀플렉스 스테인리스강
JP4760032B2 (ja) 2004-01-29 2011-08-31 Ｊｆｅスチール株式会社 成形性に優れるオーステナイト・フェライト系ステンレス鋼
JP4760031B2 (ja) 2004-01-29 2011-08-31 Ｊｆｅスチール株式会社 成形性に優れるオーステナイト・フェライト系ステンレス鋼

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02305940A (ja) * 1989-05-22 1990-12-19 Nippon Steel Corp 建築建材用二相ステンレス鋼
EP0889145A1 (de) * 1997-06-30 1999-01-07 Usinor Rostfreier austenoferritischer Stahl mit sehr niedrigem Nickelgehalt und hoher Zugverformung
EP1715073A1 (de) * 2004-01-29 2006-10-25 JFE Steel Corporation Austenitisch-ferritischer nichtrostender stahl
JP2006200035A (ja) * 2004-03-16 2006-08-03 Jfe Steel Kk 張り出し成形性と耐隙間部腐食性が優れたフェライト・オーステナイト系ステンレス鋼
JP2006233308A (ja) * 2005-02-28 2006-09-07 Jfe Steel Kk 耐粒界腐食性に優れるオーステナイト・フェライト系ステンレス鋼
JP2007154283A (ja) * 2005-12-07 2007-06-21 Jfe Steel Kk 成形性および形状凍結性に優れる高強度鋼板

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2009017258A1 *

Also Published As

Publication number Publication date
KR20120011098A (ko) 2012-02-06
ES2717840T3 (es) 2019-06-25
EP2172574A1 (de) 2010-04-07
EP3434802B1 (de) 2020-07-01
US20130118650A1 (en) 2013-05-16
KR101253326B1 (ko) 2013-04-11
EP2172574B1 (de) 2019-01-23
KR20100011989A (ko) 2010-02-03
WO2009017258A1 (ja) 2009-02-05
CN101765671A (zh) 2010-06-30
KR101185978B1 (ko) 2012-09-26
CN101765671B (zh) 2012-01-11
ES2817436T3 (es) 2021-04-07
US20100126644A1 (en) 2010-05-27
EP3434802A1 (de) 2019-01-30

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