EP3797179C0 - New austenitic alloy - Google Patents

New austenitic alloy

Info

Publication number
EP3797179C0
EP3797179C0 EP19724876.8A EP19724876A EP3797179C0 EP 3797179 C0 EP3797179 C0 EP 3797179C0 EP 19724876 A EP19724876 A EP 19724876A EP 3797179 C0 EP3797179 C0 EP 3797179C0
Authority
EP
European Patent Office
Prior art keywords
austenitic alloy
new austenitic
new
alloy
austenitic
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.)
Active
Application number
EP19724876.8A
Other languages
German (de)
French (fr)
Other versions
EP3797179A1 (en
EP3797179B1 (en
Inventor
Karin Antonsson
Ulf Kivisäkk
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.)
Alleima Tube AB
Original Assignee
Alleima Tube AB
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
Application filed by Alleima Tube AB filed Critical Alleima Tube AB
Publication of EP3797179A1 publication Critical patent/EP3797179A1/en
Application granted granted Critical
Publication of EP3797179B1 publication Critical patent/EP3797179B1/en
Publication of EP3797179C0 publication Critical patent/EP3797179C0/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/03—Alloys based on nickel or cobalt based on nickel
    • C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
    • C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
    • C22C19/053—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 30% but less than 40%
    • 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
    • C22C1/00—Making non-ferrous alloys
    • C22C1/02—Making non-ferrous alloys by melting
    • C22C1/023—Alloys based on nickel
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/03—Alloys based on nickel or cobalt based on nickel
    • C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/03—Alloys based on nickel or cobalt based on nickel
    • C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
    • C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
    • C22C19/055—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 20% but less than 30%
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C30/00—Alloys containing less than 50% by weight of each constituent
    • 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
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
EP19724876.8A 2018-05-23 2019-05-23 New austenitic alloy Active EP3797179B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP18173865 2018-05-23
PCT/EP2019/063297 WO2019224287A1 (en) 2018-05-23 2019-05-23 New austenitic alloy

Publications (3)

Publication Number Publication Date
EP3797179A1 EP3797179A1 (en) 2021-03-31
EP3797179B1 EP3797179B1 (en) 2024-01-17
EP3797179C0 true EP3797179C0 (en) 2024-01-17

Family

ID=62567222

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19724876.8A Active EP3797179B1 (en) 2018-05-23 2019-05-23 New austenitic alloy

Country Status (6)

Country Link
US (1) US20210079499A1 (en)
EP (1) EP3797179B1 (en)
JP (1) JP2021525310A (en)
KR (1) KR20210014631A (en)
CN (1) CN112154220B (en)
WO (1) WO2019224287A1 (en)

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4400210A (en) * 1981-06-10 1983-08-23 Sumitomo Metal Industries, Ltd. Alloy for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking
JPS57207150A (en) * 1981-06-17 1982-12-18 Sumitomo Metal Ind Ltd Precipitation hardening type alloy for high strength oil well pipe with superior stress corrosion cracking resistance
US4400211A (en) * 1981-06-10 1983-08-23 Sumitomo Metal Industries, Ltd. Alloy for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking
JPS57210938A (en) * 1981-06-17 1982-12-24 Sumitomo Metal Ind Ltd Precipitation hardening type alloy for high strength oil well pipe with superior stress corrosion cracking resistance
JPS57203736A (en) * 1981-06-10 1982-12-14 Sumitomo Metal Ind Ltd Alloy of high stress corrosion cracking resistance for high-strength oil well pipe
JPS5811736A (en) * 1981-07-13 1983-01-22 Sumitomo Metal Ind Ltd Production of high strength oil well pipe of superior stress corrosion cracking resistance
US4421571A (en) * 1981-07-03 1983-12-20 Sumitomo Metal Industries, Ltd. Process for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking
JP2000328200A (en) * 1999-05-13 2000-11-28 Sumitomo Metal Ind Ltd Austenitic stainless steel for conductive electric parts and fuel battery
JP3397169B2 (en) * 1999-04-22 2003-04-14 住友金属工業株式会社 Austenitic stainless steel and polymer electrolyte fuel cell for polymer electrolyte fuel cell separator
EP2682494B1 (en) * 2004-06-30 2019-11-06 Nippon Steel Corporation Method for manufacturing an Fe-Ni alloy pipe stock
JP4506958B2 (en) * 2004-08-02 2010-07-21 住友金属工業株式会社 Welded joint and its welding material
WO2008087807A1 (en) * 2007-01-15 2008-07-24 Sumitomo Metal Industries, Ltd. Austenitic stainless steel welded joint and austenitic stainless steel welding material
CN101613833B (en) * 2008-06-25 2011-09-21 宝山钢铁股份有限公司 Ni-based alloy oil sleeve manufacturing method for high-acidity deep well
ES2533429T3 (en) * 2009-12-10 2015-04-10 Nippon Steel & Sumitomo Metal Corporation Austenitic heat-resistant alloys
EP2455504A1 (en) * 2010-11-19 2012-05-23 Schmidt + Clemens GmbH + Co. KG Nickel-chromium-iron-molybdenum alloy
EP3070184B1 (en) * 2013-11-12 2018-06-13 Nippon Steel & Sumitomo Metal Corporation Ni-Cr ALLOY MATERIAL AND OIL WELL SEAMLESS PIPE USING SAME
JP6702416B2 (en) * 2016-06-28 2020-06-03 日本製鉄株式会社 Austenitic alloy material and austenitic alloy tube

Also Published As

Publication number Publication date
WO2019224287A1 (en) 2019-11-28
JP2021525310A (en) 2021-09-24
EP3797179A1 (en) 2021-03-31
CN112154220B (en) 2022-07-08
CN112154220A (en) 2020-12-29
EP3797179B1 (en) 2024-01-17
KR20210014631A (en) 2021-02-09
US20210079499A1 (en) 2021-03-18

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