WO2009044796A1 - Austenitic stainless steel - Google Patents

Austenitic stainless steel Download PDF

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Publication number
WO2009044796A1
WO2009044796A1 PCT/JP2008/067905 JP2008067905W WO2009044796A1 WO 2009044796 A1 WO2009044796 A1 WO 2009044796A1 JP 2008067905 W JP2008067905 W JP 2008067905W WO 2009044796 A1 WO2009044796 A1 WO 2009044796A1
Authority
WO
WIPO (PCT)
Prior art keywords
less
stainless steel
austenitic stainless
high temperature
following components
Prior art date
Application number
PCT/JP2008/067905
Other languages
French (fr)
Japanese (ja)
Inventor
Hiroyuki Hirata
Kazuhiro Ogawa
Takahiro Osuki
Hirokazu Okada
Hiroyuki Semba
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.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40526220&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2009044796(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sumitomo Metal Industries, Ltd. filed Critical Sumitomo Metal Industries, Ltd.
Priority to EP08836524.2A priority Critical patent/EP2199419B1/en
Priority to JP2008546011A priority patent/JP4258678B1/en
Priority to CN200880109889XA priority patent/CN101784687B/en
Priority to ES08836524.2T priority patent/ES2668831T3/en
Publication of WO2009044796A1 publication Critical patent/WO2009044796A1/en
Priority to US12/539,026 priority patent/US20100034689A1/en

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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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
    • 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
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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
    • 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
    • C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
    • 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
    • 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
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur

Abstract

Disclosed is an austenitic stainless steel which comprises the following components: C: 0.04-0.18%, Si: 1.5% or less, Mn: 2.0% or less, Ni: 6-30%, Cr: 15-30%, N: 0.03-0.35%, and sol.Al: 0.03% or less, and which further comprises at least one component selected from 1.0% or less of Nb, 0.5% or less of V and 0.5% or less of Ti, with the remainder being Fe and impurities, wherein the impurities contain the following components: P: 0.04% or less, S: 0.03% or less, Sn: 0.1% or less, As: 0.01% or less, Zn: 0.01% or less, Pb: 0.01% or less and Sb: 0.01% or less, and wherein the following formulae are fulfilled: P1 = S+[(P+Sn)/2]+[(As+Zn+Pb+Sb)/5] ≤ 0.06; and 0.2 ≤ Nb+2(V+Ti) ≤ 1.7-10xP1. The austenitic stainless steel has high strength and, when used in a welded part, can exhibit excellent embrittlement crack resistance during being used at a high temperature. The steel is suitable as a material for an instrument that is intended to be used at a high temperature for a long period, such as a boiler for power generation.
PCT/JP2008/067905 2007-10-03 2008-10-02 Austenitic stainless steel WO2009044796A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP08836524.2A EP2199419B1 (en) 2007-10-03 2008-10-02 Austenitic stainless steel
JP2008546011A JP4258678B1 (en) 2007-10-03 2008-10-02 Austenitic stainless steel
CN200880109889XA CN101784687B (en) 2007-10-03 2008-10-02 Austenitic stainless steel
ES08836524.2T ES2668831T3 (en) 2007-10-03 2008-10-02 Austenitic stainless steels
US12/539,026 US20100034689A1 (en) 2007-10-03 2009-08-11 Austenitic stainless steel

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007259387 2007-10-03
JP2007-259387 2007-10-03
JP2007259654 2007-10-03
JP2007-259654 2007-10-03

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/539,026 Continuation US20100034689A1 (en) 2007-10-03 2009-08-11 Austenitic stainless steel

Publications (1)

Publication Number Publication Date
WO2009044796A1 true WO2009044796A1 (en) 2009-04-09

Family

ID=40526220

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/067905 WO2009044796A1 (en) 2007-10-03 2008-10-02 Austenitic stainless steel

Country Status (7)

Country Link
US (1) US20100034689A1 (en)
EP (1) EP2199419B1 (en)
JP (1) JP4258678B1 (en)
KR (1) KR20100059957A (en)
CN (1) CN101784687B (en)
ES (1) ES2668831T3 (en)
WO (1) WO2009044796A1 (en)

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CN101633999B (en) * 2009-05-26 2011-06-01 山西太钢不锈钢股份有限公司 Austenitic stainless steel, steel tube thereof and manufacturing method thereof
US20130156628A1 (en) * 2011-12-20 2013-06-20 Ati Properties, Inc. High Strength, Corrosion Resistant Austenitic Alloys
WO2013147027A1 (en) 2012-03-30 2013-10-03 新日鐵住金ステンレス株式会社 Heat-resistant austenitic stainless steel sheet
JP2013253315A (en) * 2012-05-07 2013-12-19 Kobe Steel Ltd Duplex stainless steel material and duplex stainless steel pipe
JP2014005506A (en) * 2012-06-25 2014-01-16 Nippon Steel & Sumitomo Metal Austenite stainless steel
JP2014031526A (en) * 2012-08-01 2014-02-20 Nippon Steel & Sumitomo Metal Metallic material
WO2014069467A1 (en) 2012-10-30 2014-05-08 株式会社神戸製鋼所 Austenitic stainless steel
WO2016195106A1 (en) * 2015-06-05 2016-12-08 新日鐵住金株式会社 Austenitic stainless steel
WO2019069998A1 (en) * 2017-10-03 2019-04-11 新日鐵住金株式会社 Austenitic stainless steel
WO2019070000A1 (en) * 2017-10-03 2019-04-11 新日鐵住金株式会社 Austenitic stainless steel weld metal and welded structure
KR20190062488A (en) 2016-10-03 2019-06-05 닛폰세이테츠 가부시키가이샤 Austenitic heat-resistant alloys and welding seams using them
WO2021039266A1 (en) 2019-08-29 2021-03-04 日本製鉄株式会社 Austenitic heat-resistant steel
WO2021220912A1 (en) 2020-04-30 2021-11-04 日本製鉄株式会社 Austenitic heat-resistant steel
WO2021220913A1 (en) 2020-04-30 2021-11-04 日本製鉄株式会社 Method for manufacturing austenitic heat-resistant steel

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CN102162074A (en) * 2011-03-29 2011-08-24 陈才金 In-situ cast stainless steel
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Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101633999B (en) * 2009-05-26 2011-06-01 山西太钢不锈钢股份有限公司 Austenitic stainless steel, steel tube thereof and manufacturing method thereof
US20130156628A1 (en) * 2011-12-20 2013-06-20 Ati Properties, Inc. High Strength, Corrosion Resistant Austenitic Alloys
US9347121B2 (en) * 2011-12-20 2016-05-24 Ati Properties, Inc. High strength, corrosion resistant austenitic alloys
WO2013147027A1 (en) 2012-03-30 2013-10-03 新日鐵住金ステンレス株式会社 Heat-resistant austenitic stainless steel sheet
JP2013253315A (en) * 2012-05-07 2013-12-19 Kobe Steel Ltd Duplex stainless steel material and duplex stainless steel pipe
JP2014005506A (en) * 2012-06-25 2014-01-16 Nippon Steel & Sumitomo Metal Austenite stainless steel
JP2014031526A (en) * 2012-08-01 2014-02-20 Nippon Steel & Sumitomo Metal Metallic material
WO2014069467A1 (en) 2012-10-30 2014-05-08 株式会社神戸製鋼所 Austenitic stainless steel
JP2017089013A (en) * 2015-06-05 2017-05-25 新日鐵住金株式会社 Austenitic stainless steel
WO2016195106A1 (en) * 2015-06-05 2016-12-08 新日鐵住金株式会社 Austenitic stainless steel
JP6112270B1 (en) * 2015-06-05 2017-04-12 新日鐵住金株式会社 Austenitic stainless steel
KR20190062488A (en) 2016-10-03 2019-06-05 닛폰세이테츠 가부시키가이샤 Austenitic heat-resistant alloys and welding seams using them
US11339462B2 (en) 2017-10-03 2022-05-24 Nippon Steel Corporation Austenitic stainless steel weld metal and welded structure
WO2019070000A1 (en) * 2017-10-03 2019-04-11 新日鐵住金株式会社 Austenitic stainless steel weld metal and welded structure
WO2019069998A1 (en) * 2017-10-03 2019-04-11 新日鐵住金株式会社 Austenitic stainless steel
US11339461B2 (en) 2017-10-03 2022-05-24 Nippon Steel Corporation Austenitic stainless steel
WO2021039266A1 (en) 2019-08-29 2021-03-04 日本製鉄株式会社 Austenitic heat-resistant steel
KR20220034226A (en) 2019-08-29 2022-03-17 닛폰세이테츠 가부시키가이샤 Austenitic heat-resistant steel
WO2021220912A1 (en) 2020-04-30 2021-11-04 日本製鉄株式会社 Austenitic heat-resistant steel
WO2021220913A1 (en) 2020-04-30 2021-11-04 日本製鉄株式会社 Method for manufacturing austenitic heat-resistant steel
KR20230002998A (en) 2020-04-30 2023-01-05 닛폰세이테츠 가부시키가이샤 Austenitic heat-resistant steel
KR20230002997A (en) 2020-04-30 2023-01-05 닛폰세이테츠 가부시키가이샤 Manufacturing method of austenitic heat-resistant steel

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US20100034689A1 (en) 2010-02-11
KR20100059957A (en) 2010-06-04
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EP2199419A4 (en) 2016-07-06
CN101784687A (en) 2010-07-21

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