EP1645650A4 - DUPLEX STAINLESS STEEL - Google Patents

DUPLEX STAINLESS STEEL

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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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)

English (en)

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Status Withdrawn legal-status Critical Current

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
- 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 DUPLEX STAINLESS STEEL Withdrawn EP1645650A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2003188045		2003-06-30
PCT/JP2004/009511 WO2005001151A1 (ja)	2003-06-30	2004-06-29	二相ステンレス鋼

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	DUPLEX STAINLESS STEEL

Country Status (9)

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

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE530847C2 (sv) *	2006-12-14	2008-09-30	Sandvik Intellectual Property	Platta till plattvärmeväxlare, plattvärmeväxlare uppbyggd av sådana plattor samt användning av denna plattvärmeväxlare
SE531593C2 (sv) *	2007-10-26	2009-06-02	Sandvik Intellectual Property	Värmeväxlare för fosforsyramiljö
AU2008330048B2 (en)	2007-11-29	2012-11-08	Ati Properties Llc	Lean austenitic stainless steel
DK2245202T3 (da)	2007-12-20	2011-12-19	Ati Properties Inc	Austenitisk rustfrit stål med lavt nikkelindhold indeholdende stabiliserende grundstoffer
US8337749B2 (en)	2007-12-20	2012-12-25	Ati Properties, Inc.	Lean austenitic stainless steel
PL2229463T3 (pl)	2007-12-20	2018-01-31	Ati Properties Llc	Odporna na korozję zubożona austenityczna stal nierdzewna
JP5018863B2 (ja) *	2009-11-13	2012-09-05	住友金属工業株式会社	耐アルカリ性に優れた二相ステンレス鋼
CN102296248B (zh) *	2011-08-29	2013-04-24	江苏九胜特钢制品有限公司	一种双相钨不锈钢合金材料及其制备方法
CN102296249A (zh) *	2011-08-29	2011-12-28	江苏九胜特钢制品有限公司	以钨代钼的双相不锈钢合金材料及其制备方法
JP6327633B2 (ja) *	2013-09-19	2018-05-23	セイコーインスツル株式会社	二相ステンレス鋼からなるダイヤフラム
CN103602915B (zh) *	2013-11-22	2015-11-18	山东建筑大学	高碳高铬双相不锈钢
EP3211107A4 (en) *	2014-10-24	2018-05-09	Nippon Steel & Sumitomo Metal Corporation	Two-phase stainless steel and production method therefor
CN108048755B (zh) *	2017-11-10	2019-06-28	洛阳双瑞特种装备有限公司	一种用于流体输送的高硬度耐蚀铸造不锈钢
CN110016625B (zh) *	2019-05-15	2021-08-03	丹阳市华龙特钢有限公司	高纯净耐腐蚀合金材料
EP4234739A4 (en)	2020-10-23	2025-07-30	Nippon Steel Corp	Two-phase stainless steel welded joint
CN113337779A (zh) *	2021-05-21	2021-09-03	烟台恒邦合金材料有限公司	一种耐磨耐腐蚀泵用不锈钢材料及其制备方法

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 (ja) *	1994-12-27	1996-07-09	Sumitomo Metal Ind Ltd	硫化水素環境での耐食性に優れた２相ステンレス鋼
US5582656A (en) *	1993-06-21	1996-12-10	Sandvik Ab	Ferritic-austenitic stainless steel
JPH09241746A (ja) *	1996-03-07	1997-09-16	Sumitomo Metal Ind Ltd	高強度二相ステンレス鋼管の製造方法
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 (ja) *	1994-04-05	2003-09-16	住友金属工業株式会社	二相ステンレス鋼
JPH0813094A (ja) *	1994-06-24	1996-01-16	Sumitomo Metal Mining Co Ltd	二相ステンレス鋳鋼およびその製法
JP3127822B2 (ja) *	1996-04-10	2001-01-29	住友金属工業株式会社	二相ステンレス鋼製継目無鋼管の製造方法
JPH1088288A (ja) *	1996-09-18	1998-04-07	Sumitomo Metal Ind Ltd	高純度ガス用二相ステンレス鋼材およびその製造方法
JP3534032B2 (ja) *	2000-02-03	2004-06-07	住友金属工業株式会社	２相ステンレス鋼製鋼管の製造方法
JP3758508B2 (ja) *	2001-02-13	2006-03-22	住友金属工業株式会社	二相ステンレス鋼管の製造方法
SE524951C2 (sv) *	2001-09-02	2004-10-26	Sandvik Ab	Användning av en duplex rostfri stållegering

2004
- 2004-06-29 EP EP04746980A patent/EP1645650A4/en not_active Withdrawn
- 2004-06-29 KR KR1020057025084A patent/KR100704201B1/ko not_active Expired - Fee Related
- 2004-06-29 WO PCT/JP2004/009511 patent/WO2005001151A1/ja not_active Ceased
- 2004-06-29 CN CNB2004800188034A patent/CN100497704C/zh not_active Expired - Lifetime
- 2004-06-29 AU AU2004252373A patent/AU2004252373B2/en not_active Expired
- 2004-06-29 BR BRPI0412092-2A patent/BRPI0412092A/pt not_active Application Discontinuation
- 2004-06-29 JP JP2005511147A patent/JP4265605B2/ja not_active Expired - Lifetime
2005
- 2005-12-16 NO NO20056009A patent/NO20056009L/no 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 (ja) *	1994-12-27	1996-07-09	Sumitomo Metal Ind Ltd	硫化水素環境での耐食性に優れた２相ステンレス鋼
JPH09241746A (ja) *	1996-03-07	1997-09-16	Sumitomo Metal Ind Ltd	高強度二相ステンレス鋼管の製造方法
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
AU2004252373B2 (en)	2007-02-22
US20060191605A1 (en)	2006-08-31
JP4265605B2 (ja)	2009-05-20
NO20056009L (no)	2006-01-11
CN1816640A (zh)	2006-08-09
BRPI0412092A (pt)	2006-09-05
KR100704201B1 (ko)	2007-04-09
AU2004252373A1 (en)	2005-01-06
KR20060026898A (ko)	2006-03-24
EP1645650A1 (en)	2006-04-12
CN100497704C (zh)	2009-06-10
WO2005001151A1 (ja)	2005-01-06
JPWO2005001151A1 (ja)	2006-08-10

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

Publication	Publication Date	Title
PL1566138T3 (pl)	2008-02-29	Zmywarka do naczyń z koszem na naczynia
FR2847640B1 (fr)	2007-04-27	Vannes a deux voies.
GB2416194B (en)	2006-08-16	A spacer arrangement
GB2429910B (en)	2007-09-19	Airbed combination
GB0405096D0 (en)	2004-04-07	A cryogenic hose configuration
EP1885318A4 (en)	2013-07-31	WHEELCHAIR
EP1736305A4 (en)	2008-08-20	COMPOSITE PIPE
GB0400406D0 (en)	2004-02-11	Chair with a get-up aid
GB2417434B (en)	2009-03-25	A construction element
GB0518886D0 (en)	2005-10-26	A cot
GB2424577B (en)	2009-07-01	A mattress
PH32005000315S1 (en)	2006-12-04	A beach chair
AU156040S (en)	2004-07-28	A chair
AU157751S (en)	2005-03-15	A chair
AU158144S (en)	2005-07-22	A chair
AU156739S (en)	2004-10-21	A chair
AU158387S (en)	2005-11-15	A chair
AU155666S (en)	2004-06-03	A chair
AU304604S (en)	2005-12-13	A chair
AU158143S (en)	2005-07-22	A chair
AU158081S (en)	2005-06-07	A chair
AU157752S (en)	2005-03-15	A chair
AU300982S (en)	2005-03-14	A chair
PH32005000294S1 (en)	2006-12-04	A chair
PH32005000305S1 (en)	2006-12-04	A chair