DE60002392D1 - Rostfreier ferritisch-austenitischer Duplexstahl - Google Patents

Rostfreier ferritisch-austenitischer Duplexstahl

Info

Publication number
DE60002392D1
DE60002392D1 DE60002392T DE60002392T DE60002392D1 DE 60002392 D1 DE60002392 D1 DE 60002392D1 DE 60002392 T DE60002392 T DE 60002392T DE 60002392 T DE60002392 T DE 60002392T DE 60002392 D1 DE60002392 D1 DE 60002392D1
Authority
DE
Germany
Prior art keywords
over
ferritic
duplex steel
austenitic duplex
stainless ferritic
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.)
Expired - Lifetime
Application number
DE60002392T
Other languages
English (en)
Other versions
DE60002392T2 (de
Inventor
Makoto Hineno
Takeshi Torigoe
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.)
Kubota Corp
Original Assignee
Kubota 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=15861485&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE60002392(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Kubota Corp filed Critical Kubota Corp
Publication of DE60002392D1 publication Critical patent/DE60002392D1/de
Application granted granted Critical
Publication of DE60002392T2 publication Critical patent/DE60002392T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
    • 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
    • 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
    • C22C38/18—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
    • 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)
  • Paper (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
DE60002392T 1999-06-15 2000-06-14 Rostfreier ferritisch-austenitischer Duplexstahl Expired - Lifetime DE60002392T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP16808099 1999-06-15
JP16808099A JP3508095B2 (ja) 1999-06-15 1999-06-15 耐熱疲労性・耐腐食疲労性およびドリル加工性等に優れたフェライト−オーステナイト二相ステンレス鋼および製紙用サクションロール胴部材

Publications (2)

Publication Number Publication Date
DE60002392D1 true DE60002392D1 (de) 2003-06-05
DE60002392T2 DE60002392T2 (de) 2004-03-25

Family

ID=15861485

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60002392T Expired - Lifetime DE60002392T2 (de) 1999-06-15 2000-06-14 Rostfreier ferritisch-austenitischer Duplexstahl

Country Status (5)

Country Link
US (1) US6344094B1 (de)
EP (1) EP1061151B1 (de)
JP (1) JP3508095B2 (de)
AT (1) ATE239104T1 (de)
DE (1) DE60002392T2 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6551420B1 (en) * 2001-10-16 2003-04-22 Ati Properties, Inc. Duplex stainless steel
IL161289A0 (en) 2001-10-30 2004-09-27 Ati Properties Inc Duplex stainless steels
DE10318577A1 (de) * 2003-04-24 2004-11-11 Voith Paper Patent Gmbh Dichtungseinrichtung für eine Papiermaschine
KR20090005252A (ko) * 2004-01-29 2009-01-12 제이에프이 스틸 가부시키가이샤 오스테나이트·페라이트계 스테인레스 강
SE528375C2 (sv) * 2004-09-07 2006-10-31 Outokumpu Stainless Ab En sugvalsmantel av stål samt en metod för tillverkning av en sugvalsmantel
CN101168825B (zh) * 2006-10-23 2010-05-12 宝山钢铁股份有限公司 具有特殊磁性能的双相不锈钢及其制造方法
GB0719288D0 (en) * 2007-10-03 2007-11-14 Weir Materials Ltd Duplex stainless steel casting alloy compsotion
KR101587392B1 (ko) 2007-11-29 2016-01-21 에이티아이 프로퍼티즈, 인코퍼레이티드 린 오스테나이트계 스테인리스 강
WO2009082501A1 (en) 2007-12-20 2009-07-02 Ati Properties, Inc. Corrosion resistant lean austenitic stainless steel
US8337749B2 (en) 2007-12-20 2012-12-25 Ati Properties, Inc. Lean austenitic stainless steel
DK2245202T3 (da) 2007-12-20 2011-12-19 Ati Properties Inc Austenitisk rustfrit stål med lavt nikkelindhold indeholdende stabiliserende grundstoffer
EP2108736A3 (de) * 2008-04-08 2012-12-26 Voith Patent GmbH Verfahren zur Herstellung von Maschinenteilen und danach hergestellter Walzenmantel
EP2093303A1 (de) * 2008-09-04 2009-08-26 Scanpump AB Duplexstahl
KR20120132691A (ko) * 2010-04-29 2012-12-07 오또꿈뿌 오와이제이 높은 성형성을 구비하는 페라이트-오스테나이트계 스테인리스 강의 제조 및 사용 방법
FI126574B (fi) * 2011-09-07 2017-02-28 Outokumpu Oy Dupleksinen ruostumaton teräs
CN103938106B (zh) * 2013-01-21 2016-03-30 学修机械科技(上海)有限公司 铬镍铜钒铌氮高温耐热耐磨铸钢
RU2522914C1 (ru) * 2013-02-27 2014-07-20 Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Уральский федеральный университет имени первого Президента России Б.Н. Ельцина" Аустенитно-ферритная сталь с высокой прочностью
CN103820739B (zh) * 2014-02-28 2017-10-27 中车戚墅堰机车车辆工艺研究所有限公司 铁素体耐热铸钢及其制备方法和应用
KR101918329B1 (ko) 2014-10-08 2018-11-14 현대자동차주식회사 Ni 저감형 오스테나이트계 고내열 주강 및 이를 이용한 EGR 쿨러 장치
JP6513495B2 (ja) * 2015-06-09 2019-05-15 株式会社神戸製鋼所 二相ステンレス鋼材および二相ステンレス鋼管
CN110691860B (zh) 2017-05-22 2022-08-09 山特维克知识产权股份有限公司 新型双相不锈钢
CN107502836B (zh) * 2017-08-07 2019-03-01 南京钢铁股份有限公司 一种提高低温韧性的厚壁大口径高钢级管线钢及其制造方法
JP6720942B2 (ja) * 2017-08-29 2020-07-08 Ｊｆｅスチール株式会社 耐食性及び耐水素脆性に優れた二相ステンレス鋼
JP6809414B2 (ja) * 2017-08-29 2021-01-06 Ｊｆｅスチール株式会社 耐食性及び耐水素脆性に優れた二相ステンレス鋼板
CN109295387B (zh) * 2018-10-08 2020-05-29 鞍钢股份有限公司 一种耐腐蚀性能良好的双相不锈钢板及其制造方法
CN113061804A (zh) * 2021-03-03 2021-07-02 陈兆启 一种高耐腐蚀不锈钢及其制造方法
CN115537675B (zh) * 2022-09-15 2023-09-26 武汉钢铁有限公司 一种800MPa级免表面处理商用车用钢及其生产方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1242095A (en) 1984-02-07 1988-09-20 Akira Yoshitake Ferritic-austenitic duplex stainless steel
SE451465B (sv) 1984-03-30 1987-10-12 Sandvik Steel Ab Ferrit-austenitiskt rostfritt stal mikrolegerat med molybden och koppar och anvendning av stalet
FR2630132B1 (fr) 1988-04-15 1990-08-24 Creusot Loire Acier inoxydable austeno-ferritique
JPH06145903A (ja) 1992-11-05 1994-05-27 Kubota Corp 高腐食疲労強度ステンレス鋼
US5672315A (en) 1995-11-03 1997-09-30 Nippon Yakin Kogyo Co., Ltd. Superplastic dual-phase stainless steels having a small deformation resistance and excellent elongation properties
JPH10102206A (ja) 1996-09-27 1998-04-21 Kubota Corp 高耐食・高腐食疲労強度二相ステンレス鋼

Also Published As

Publication number Publication date
ATE239104T1 (de) 2003-05-15
US6344094B1 (en) 2002-02-05
JP3508095B2 (ja) 2004-03-22
EP1061151B1 (de) 2003-05-02
EP1061151A1 (de) 2000-12-20
JP2000355738A (ja) 2000-12-26
DE60002392T2 (de) 2004-03-25

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings