EP1413640A4 - Ferritic stainless steel for member of exhaust gas flow passage - Google Patents

Ferritic stainless steel for member of exhaust gas flow passage

Info

Publication number: EP1413640A4
Authority: EP; European Patent Office
Prior art keywords: exhaust gas; stainless steel; gas flow; flow passage; ferritic stainless
Prior art date: 2001-07-05
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

EP02743819A

Other languages

German (de)

French (fr)

Other versions

EP1413640A1 (en

EP1413640B1 (en

Inventor

Manabu Oku

Yoshitomo Fujimura

Toshirou Nagoya

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 Nisshin Co Ltd

Original Assignee

Nisshin Steel Co 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.)

2001-07-05

Filing date

2002-07-04

Publication date

2004-12-15

2002-07-04 Application filed by Nisshin Steel Co Ltd filed Critical Nisshin Steel Co Ltd

2004-04-28 Publication of EP1413640A1 publication Critical patent/EP1413640A1/en

2004-12-15 Publication of EP1413640A4 publication Critical patent/EP1413640A4/en

2005-05-25 Application granted granted Critical

2005-05-25 Publication of EP1413640B1 publication Critical patent/EP1413640B1/en

2022-07-04 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

229910001220 stainless steel Inorganic materials 0.000 title 1

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
- C22C38/02—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
- 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
- C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
- 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
- C22C38/42—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
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
- 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
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
- 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
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
- 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
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2530/00—Selection of materials for tubes, chambers or housings
- F01N2530/02—Corrosion resistive metals
- F01N2530/04—Steel alloys, e.g. stainless steel

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Heat Treatment Of Sheet Steel (AREA)

EP02743819A 2001-07-05 2002-07-04 Ferritic stainless steel for member of exhaust gas flow passage Expired - Lifetime EP1413640B1 (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
JP2001204444		2001-07-05
JP2001204444		2001-07-05
PCT/JP2002/006768 WO2003004714A1 (en)	2001-07-05	2002-07-04	Ferritic stainless steel for member of exhaust gas flow passage

Publications (3)

Publication Number	Publication Date
EP1413640A1 EP1413640A1 (en)	2004-04-28
EP1413640A4 true EP1413640A4 (en)	2004-12-15
EP1413640B1 EP1413640B1 (en)	2005-05-25

Family

ID=19040911

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP02743819A Expired - Lifetime EP1413640B1 (en)	2001-07-05	2002-07-04	Ferritic stainless steel for member of exhaust gas flow passage

Country Status (8)

Country	Link
US (4)	US20040170518A1 (en)
EP (1)	EP1413640B1 (en)
JP (2)	JP4197492B2 (en)
KR (1)	KR20040007764A (en)
CN (1)	CN1225566C (en)
DE (1)	DE60204323T2 (en)
ES (1)	ES2240764T3 (en)
WO (1)	WO2003004714A1 (en)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US7466749B2 (en)	2005-05-12	2008-12-16	Qualcomm Incorporated	Rate selection with margin sharing
KR20080110662A (en)	2006-05-09	2008-12-18	닛폰 스틸 앤드 스미킨 스테인레스 스틸 코포레이션	Stainless steel excellent in corrosion resistance, ferritic stainless steel excellent in crevice corrosion resistance and formability, and ferritic stainless steel excellent in crevice corrosion resistance
JP5000281B2 (en) *	2006-12-05	2012-08-15	新日鐵住金ステンレス株式会社	High-strength stainless steel sheet with excellent workability and method for producing the same
JP4948998B2 (en)	2006-12-07	2012-06-06	日新製鋼株式会社	Ferritic stainless steel and welded steel pipe for automotive exhaust gas flow path members
JP5010301B2 (en)	2007-02-02	2012-08-29	日新製鋼株式会社	Ferritic stainless steel for exhaust gas path member and exhaust gas path member
JP5297630B2 (en) *	2007-02-26	2013-09-25	新日鐵住金ステンレス株式会社	Ferritic stainless steel plate with excellent heat resistance
JP5390175B2 (en) *	2007-12-28	2014-01-15	新日鐵住金ステンレス株式会社	Ferritic stainless steel with excellent brazeability
JP5387057B2 (en) *	2008-03-07	2014-01-15	Ｊｆｅスチール株式会社	Ferritic stainless steel with excellent heat resistance and toughness
JP4386144B2 (en)	2008-03-07	2009-12-16	Ｊｆｅスチール株式会社	Ferritic stainless steel with excellent heat resistance
JP5274074B2 (en) *	2008-03-28	2013-08-28	新日鐵住金ステンレス株式会社	Heat-resistant ferritic stainless steel sheet with excellent oxidation resistance
JP5239642B2 (en) *	2008-08-29	2013-07-17	Ｊｆｅスチール株式会社	Ferritic stainless steel with excellent thermal fatigue properties, high temperature fatigue properties and oxidation resistance
JP5239644B2 (en) *	2008-08-29	2013-07-17	Ｊｆｅスチール株式会社	Ferritic stainless steel with excellent thermal fatigue properties, high temperature fatigue properties, oxidation resistance and toughness
JP5239643B2 (en) *	2008-08-29	2013-07-17	Ｊｆｅスチール株式会社	Ferritic stainless steel with excellent thermal fatigue properties, high temperature fatigue properties, oxidation resistance and workability
JP5462583B2 (en) *	2008-10-24	2014-04-02	新日鐵住金ステンレス株式会社	Ferritic stainless steel sheet for EGR cooler
JP2010116622A (en) *	2008-11-14	2010-05-27	Nisshin Steel Co Ltd	Ferritic stainless steel for heat pipe and steel sheet, and heat pipe and high temperature waste heat recovery device
JP5546911B2 (en)	2009-03-24	2014-07-09	新日鐵住金ステンレス株式会社	Ferritic stainless steel sheet with excellent heat resistance and workability
JP2010236001A (en) *	2009-03-31	2010-10-21	Nisshin Steel Co Ltd	Ferritic stainless steel
JP4702493B1 (en)	2009-08-31	2011-06-15	Ｊｆｅスチール株式会社	Ferritic stainless steel with excellent heat resistance
CN102791895B (en) *	2009-12-04	2014-12-24	Posco公司	Cold rolled steel sheet for processing with excellent heat resistance, and preparation method thereof
JP5546922B2 (en)	2010-03-26	2014-07-09	新日鐵住金ステンレス株式会社	Ferritic stainless steel sheet with excellent heat resistance and workability and method for producing the same
JP5822439B2 (en) *	2010-06-22	2015-11-24	日新製鋼株式会社	Low Cr stainless steel with excellent heat resistance and age-hardening characteristics and automobile exhaust gas path member made of such steel
KR20180017220A (en)	2010-09-16	2018-02-20	닛폰 스틸 앤드 스미킨 스테인레스 스틸 코포레이션	Heat-resistant ferrite-type stainless steel plate having excellent oxidation resistance
CN103140595B (en) *	2010-10-01	2015-05-20	日立金属株式会社	Heat-resistant ferritic cast steel having excellent melt flowability, freedom from gas defect, toughness, and machinability, and exhaust system component comprising same
JP5152387B2 (en)	2010-10-14	2013-02-27	Ｊｆｅスチール株式会社	Ferritic stainless steel with excellent heat resistance and workability
JP5609571B2 (en)	2010-11-11	2014-10-22	Ｊｆｅスチール株式会社	Ferritic stainless steel with excellent oxidation resistance
CN103348023B (en)	2011-02-08	2015-11-25	新日铁住金不锈钢株式会社	The manufacture method of ferrite-group stainless steel hot-rolled steel sheet and manufacture method and ferrite series stainless steel plate
JP5659061B2 (en)	2011-03-29	2015-01-28	新日鐵住金ステンレス株式会社	Ferritic stainless steel sheet excellent in heat resistance and workability and manufacturing method thereof
JP5304935B2 (en) *	2011-10-14	2013-10-02	Ｊｆｅスチール株式会社	Ferritic stainless steel
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JP6037882B2 (en)	2012-02-15	2016-12-07	新日鐵住金ステンレス株式会社	Ferritic stainless steel sheet with excellent scale peel resistance and method for producing the same
JP6071608B2 (en)	2012-03-09	2017-02-01	新日鐵住金ステンレス株式会社	Ferritic stainless steel plate with excellent oxidation resistance
JP6196453B2 (en) *	2012-03-22	2017-09-13	新日鐵住金ステンレス株式会社	Ferritic stainless steel sheet with excellent scale peel resistance and method for producing the same
UA111115C2 (en)	2012-04-02	2016-03-25	Ейкей Стіл Пропертіс, Інк.	cost effective ferritic stainless steel
FI125855B (en) *	2012-06-26	2016-03-15	Outokumpu Oy	Ferritic stainless steel
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JP5885884B2 (en) *	2013-03-27	2016-03-16	新日鐵住金ステンレス株式会社	Ferritic stainless hot-rolled steel sheet, manufacturing method thereof, and steel strip
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WO2015174079A1 (en)	2014-05-14	2015-11-19	Ｊｆｅスチール株式会社	Ferritic stainless steel
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JP6370275B2 (en) *	2015-08-17	2018-08-08	日新製鋼株式会社	Damping ferritic stainless steel material and manufacturing method
CN105537875B (en) *	2016-01-18	2018-03-09	山西太钢不锈钢股份有限公司	A kind of manufacture method of ferritic stainless steel welded tube
JP6744740B2 (en) *	2016-03-28	2020-08-19	日鉄ステンレス株式会社	Ferritic stainless steel plate for exhaust manifold
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CN108531824A (en) *	2016-08-16	2018-09-14	刘可	A kind of application of minute spherical ferritic stainless steel powder
US11261512B2 (en)	2016-09-02	2022-03-01	Jfe Steel Corporation	Ferritic stainless steel
KR101835021B1 (en) *	2016-09-28	2018-03-09	주식회사 포스코	Ferritic stainless steel for exhaust system heat exchanger and method of manufacturing the same
WO2018135028A1 (en) *	2017-01-19	2018-07-26	日新製鋼株式会社	Ferritic stainless steel and ferritic stainless steel for car exhaust gas pathway member
JP6796708B2 (en)	2017-03-27	2020-12-09	日鉄ステンレス株式会社	Ferritic stainless steel sheet and its manufacturing method, and exhaust parts
KR102259806B1 (en) *	2019-08-05	2021-06-03	주식회사 포스코	Ferritic stainless steel with improved creep resistance at high temperature and method for manufacturing the ferritic stainless steel
WO2023170996A1 (en) *	2022-03-07	2023-09-14	日鉄ステンレス株式会社	Ferritic stainless steel sheet and exhaust parts

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2696584B2 (en) *	1990-03-24	1998-01-14	日新製鋼株式会社	Ferrite heat-resistant stainless steel with excellent low-temperature toughness, weldability and heat resistance
JP3485591B2 (en) *	1993-03-26	2004-01-13	日新製鋼株式会社	Ferritic stainless steel for exhaust gas flow path components and manufacturing method
JPH08144021A (en) *	1994-11-18	1996-06-04	Sumitomo Metal Ind Ltd	Production of ferritic stainless steel and cold rolled sheet therefrom
JP3536568B2 (en) *	1997-01-24	2004-06-14	Ｊｆｅスチール株式会社	Ferritic stainless steel for engine exhaust parts with excellent heat resistance and muffler corrosion resistance at welds
JP3536567B2 (en) *	1997-01-24	2004-06-14	Ｊｆｅスチール株式会社	Ferritic stainless steel for engine exhaust components with excellent heat resistance, workability and muffler corrosion resistance

2002
- 2002-07-04 EP EP02743819A patent/EP1413640B1/en not_active Expired - Lifetime
- 2002-07-04 CN CNB02813138XA patent/CN1225566C/en not_active Expired - Lifetime
- 2002-07-04 WO PCT/JP2002/006768 patent/WO2003004714A1/en active IP Right Grant
- 2002-07-04 KR KR10-2004-7000076A patent/KR20040007764A/en not_active Application Discontinuation
- 2002-07-04 ES ES02743819T patent/ES2240764T3/en not_active Expired - Lifetime
- 2002-07-04 DE DE60204323T patent/DE60204323T2/en not_active Expired - Lifetime
- 2002-07-04 JP JP2003510470A patent/JP4197492B2/en not_active Expired - Lifetime
- 2002-07-04 US US10/482,718 patent/US20040170518A1/en not_active Abandoned
2008
- 2008-08-18 JP JP2008209904A patent/JP5138504B2/en not_active Expired - Lifetime
- 2008-11-06 US US12/233,122 patent/US20090053093A1/en not_active Abandoned
2010
- 2010-01-19 US US12/689,824 patent/US20100119404A1/en not_active Abandoned
2011
- 2011-03-08 US US13/042,542 patent/US20110176954A1/en not_active Abandoned

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *

Also Published As

Publication number	Publication date
US20110176954A1 (en)	2011-07-21
US20100119404A1 (en)	2010-05-13
EP1413640A1 (en)	2004-04-28
JP4197492B2 (en)	2008-12-17
JP5138504B2 (en)	2013-02-06
KR20040007764A (en)	2004-01-24
US20090053093A1 (en)	2009-02-26
WO2003004714A1 (en)	2003-01-16
US20040170518A1 (en)	2004-09-02
DE60204323D1 (en)	2005-06-30
CN1225566C (en)	2005-11-02
CN1524130A (en)	2004-08-25
ES2240764T3 (en)	2005-10-16
DE60204323T2 (en)	2006-01-26
JPWO2003004714A1 (en)	2004-10-28
JP2008297631A (en)	2008-12-11
EP1413640B1 (en)	2005-05-25

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Publication	Publication Date	Title
EP1413640A4 (en)	2004-12-15	Ferritic stainless steel for member of exhaust gas flow passage
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