EP1645650A4 - STAINLESS STEEL WITH TWO LAYERS - Google Patents

STAINLESS STEEL WITH TWO LAYERS

Info

Publication number: EP1645650A4
Authority: EP; European Patent Office
Prior art keywords: layers; stainless steel; stainless; steel
Prior art date: 2003-06-30
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP04746980A

Other languages

German (de)

French (fr)

Other versions

EP1645650A1 (en

Inventor

Kazuhiro Ogawa

Tomohiko Omura

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

Sumitomo Metal Industries 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.)

2003-06-30

Filing date

2004-06-29

Publication date

2007-07-25

2004-06-29 Application filed by Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd

2006-04-12 Publication of EP1645650A1 publication Critical patent/EP1645650A1/en

2007-07-25 Publication of EP1645650A4 publication Critical patent/EP1645650A4/en

Status Withdrawn legal-status Critical Current

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
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Treatment Of Steel In Its Molten State (AREA)
Heat Treatment Of Steel (AREA)

EP04746980A 2003-06-30 2004-06-29 STAINLESS STEEL WITH TWO LAYERS Withdrawn EP1645650A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2003188045		2003-06-30
PCT/JP2004/009511 WO2005001151A1 (en)	2003-06-30	2004-06-29	Duplex stainless steel

Publications (2)

Publication Number	Publication Date
EP1645650A1 EP1645650A1 (en)	2006-04-12
EP1645650A4 true EP1645650A4 (en)	2007-07-25

Family

ID=33549741

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP04746980A Withdrawn EP1645650A4 (en)	2003-06-30	2004-06-29	STAINLESS STEEL WITH TWO LAYERS

Country Status (9)

Country	Link
US (1)	US20060191605A1 (en)
EP (1)	EP1645650A4 (en)
JP (1)	JP4265605B2 (en)
KR (1)	KR100704201B1 (en)
CN (1)	CN100497704C (en)
AU (1)	AU2004252373B2 (en)
BR (1)	BRPI0412092A (en)
NO (1)	NO20056009L (en)
WO (1)	WO2005001151A1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE530847C2 (en) *	2006-12-14	2008-09-30	Sandvik Intellectual Property	Plate for plate heat exchangers, plate heat exchangers made up of such plates and use of this plate heat exchanger
SE531593C2 (en) *	2007-10-26	2009-06-02	Sandvik Intellectual Property	Heat exchanger for phosphoric acid environment
EP2220261B1 (en)	2007-11-29	2018-12-26	ATI Properties LLC	Lean austenitic stainless steel
KR101467616B1 (en)	2007-12-20	2014-12-01	에이티아이 프로퍼티즈, 인코퍼레이티드	Corrosion resistant lean austenitic stainless steel
WO2009082498A1 (en)	2007-12-20	2009-07-02	Ati Properties, Inc.	Austenitic stainless steel low in nickel containing stabilizing elements
US8337749B2 (en)	2007-12-20	2012-12-25	Ati Properties, Inc.	Lean austenitic stainless steel
JP5018863B2 (en) *	2009-11-13	2012-09-05	住友金属工業株式会社	Duplex stainless steel with excellent alkali resistance
CN102296248B (en) *	2011-08-29	2013-04-24	江苏九胜特钢制品有限公司	Diphase tungsten stainless steel alloy material and preparation method thereof
CN102296249A (en) *	2011-08-29	2011-12-28	江苏九胜特钢制品有限公司	Diphase stainless steel alloy material substituting tungsten for molybdenum and preparation method thereof
JP6327633B2 (en) *	2013-09-19	2018-05-23	セイコーインスツル株式会社	Diaphragm made of duplex stainless steel
CN103602915B (en) *	2013-11-22	2015-11-18	山东建筑大学	High carbon and chromium duplex stainless steel
CN107075639B (en) *	2014-10-24	2019-09-27	日本制铁株式会社	Duplex stainless steel and manufacturing method thereof
CN108048755B (en) *	2017-11-10	2019-06-28	洛阳双瑞特种装备有限公司	A kind of high rigidity anticorrosive cast stainless steel for fluid conveying
CN110016625B (en) *	2019-05-15	2021-08-03	丹阳市华龙特钢有限公司	High-purity corrosion-resistant alloy material
EP4234739A1 (en)	2020-10-23	2023-08-30	Nippon Steel Corporation	Two-phase stainless steel welded joint
CN113337779A (en) *	2021-05-21	2021-09-03	烟台恒邦合金材料有限公司	Wear-resistant and corrosion-resistant stainless steel material for pumps and preparation method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0545753A1 (en) *	1991-11-11	1993-06-09	Sumitomo Metal Industries, Ltd.	Duplex stainless steel having improved strength and corrosion resistance
JPH08176742A (en) *	1994-12-27	1996-07-09	Sumitomo Metal Ind Ltd	Duplex stainless steel with excellent corrosion resistance in hydrogen sulfide environment
US5582656A (en) *	1993-06-21	1996-12-10	Sandvik Ab	Ferritic-austenitic stainless steel
JPH09241746A (en) *	1996-03-07	1997-09-16	Sumitomo Metal Ind Ltd	Method for producing high strength duplex stainless steel pipe
US6048413A (en) *	1994-05-21	2000-04-11	Park; Yong Soo	Duplex stainless steel with high corrosion resistance
WO2001000898A1 (en) *	1999-06-29	2001-01-04	Sandvik Ab; (Publ)	Duplex stainless steel

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5079152A (en) *	1987-05-28	1992-01-07	Scripps Clinic And Research Foundation	Antibody combining sites that exhibit stereoselective synthase activity, and methods using the same
JP3446294B2 (en) *	1994-04-05	2003-09-16	住友金属工業株式会社	Duplex stainless steel
JPH0813094A (en) *	1994-06-24	1996-01-16	Sumitomo Metal Mining Co Ltd	Duplex stainless cast steel and production thereof
JP3127822B2 (en) *	1996-04-10	2001-01-29	住友金属工業株式会社	Manufacturing method of seamless stainless steel pipe made of duplex stainless steel
JPH1088288A (en) *	1996-09-18	1998-04-07	Sumitomo Metal Ind Ltd	Duplex stainless steel for high-purity gas and method for producing the same
JP3534032B2 (en) *	2000-02-03	2004-06-07	住友金属工業株式会社	Method for producing duplex stainless steel pipe
JP3758508B2 (en) *	2001-02-13	2006-03-22	住友金属工業株式会社	Manufacturing method of duplex stainless steel pipe
SE524951C2 (en) *	2001-09-02	2004-10-26	Sandvik Ab	Use of a duplex stainless steel alloy

2004
- 2004-06-29 CN CNB2004800188034A patent/CN100497704C/en not_active Expired - Lifetime
- 2004-06-29 AU AU2004252373A patent/AU2004252373B2/en not_active Expired
- 2004-06-29 JP JP2005511147A patent/JP4265605B2/en not_active Expired - Lifetime
- 2004-06-29 KR KR1020057025084A patent/KR100704201B1/en active IP Right Grant
- 2004-06-29 EP EP04746980A patent/EP1645650A4/en not_active Withdrawn
- 2004-06-29 BR BRPI0412092-2A patent/BRPI0412092A/en not_active Application Discontinuation
- 2004-06-29 WO PCT/JP2004/009511 patent/WO2005001151A1/en active IP Right Grant
2005
- 2005-12-16 NO NO20056009A patent/NO20056009L/en not_active Application Discontinuation
- 2005-12-23 US US11/315,203 patent/US20060191605A1/en not_active Abandoned

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0545753A1 (en) *	1991-11-11	1993-06-09	Sumitomo Metal Industries, Ltd.	Duplex stainless steel having improved strength and corrosion resistance
US5582656A (en) *	1993-06-21	1996-12-10	Sandvik Ab	Ferritic-austenitic stainless steel
US6048413A (en) *	1994-05-21	2000-04-11	Park; Yong Soo	Duplex stainless steel with high corrosion resistance
JPH08176742A (en) *	1994-12-27	1996-07-09	Sumitomo Metal Ind Ltd	Duplex stainless steel with excellent corrosion resistance in hydrogen sulfide environment
JPH09241746A (en) *	1996-03-07	1997-09-16	Sumitomo Metal Ind Ltd	Method for producing high strength duplex stainless steel pipe
WO2001000898A1 (en) *	1999-06-29	2001-01-04	Sandvik Ab; (Publ)	Duplex stainless steel

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
OGAWA K ET AL: "EFFECTS OF TUNGSTEN ON PITTING CORROSION RESISTANCE AND IMPACT TOUGHNESS IN THE HAZ OF DUPLEX STAINLESS STEEL - STUDY OF WELDABILITY OF HIGH-TUNGSTEN DUPLEX STAINLESS STEEL (1ST REPORT)", WELDING INTERNATIONAL, WOODHEAD PUBLISHING LIMITED, CAMBRIDGESHIRE, GB, vol. 10, no. 6, 1996, pages 466 - 472, XP000593558, ISSN: 0950-7116 *
OKAMOTO H ET AL: "A NEW TUNGSTEN ALLOYED SUPER DUPLEX STAINLESS STEEL DP3W", SUMITOMO SEARCH, SUMITOMO METAL INDUSTRIES, TOKYO, JP, no. 54, October 1993 (1993-10-01), pages 21 - 29, XP009083900, ISSN: 0585-9131 *
See also references of WO2005001151A1 *

Also Published As

Publication number	Publication date
BRPI0412092A (en)	2006-09-05
CN1816640A (en)	2006-08-09
JPWO2005001151A1 (en)	2006-08-10
NO20056009L (en)	2006-01-11
KR100704201B1 (en)	2007-04-09
JP4265605B2 (en)	2009-05-20
US20060191605A1 (en)	2006-08-31
WO2005001151A1 (en)	2005-01-06
AU2004252373A1 (en)	2005-01-06
CN100497704C (en)	2009-06-10
EP1645650A1 (en)	2006-04-12
AU2004252373B2 (en)	2007-02-22
KR20060026898A (en)	2006-03-24

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AU158144S (en)	2005-07-22	A chair
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AU158387S (en)	2005-11-15	A chair
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Legal Events

Date	Code	Title	Description
2006-02-24	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2006-04-12	17P	Request for examination filed	Effective date: 20051215
2006-04-12	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): GB IT SE
2006-10-04	DAX	Request for extension of the european patent (deleted)
2006-10-04	RBV	Designated contracting states (corrected)	Designated state(s): GB IT SE
2007-07-25	A4	Supplementary search report drawn up and despatched	Effective date: 20070622
2007-10-24	17Q	First examination report despatched	Effective date: 20070919
2008-12-12	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2009-01-14	18D	Application deemed to be withdrawn	Effective date: 20080724