EA201691349A1 - Дуплексная нержавеющая сталь - Google Patents

Дуплексная нержавеющая сталь

Info

Publication number
EA201691349A1
EA201691349A1 EA201691349A EA201691349A EA201691349A1 EA 201691349 A1 EA201691349 A1 EA 201691349A1 EA 201691349 A EA201691349 A EA 201691349A EA 201691349 A EA201691349 A EA 201691349A EA 201691349 A1 EA201691349 A1 EA 201691349A1
Authority
EA
Eurasian Patent Office
Prior art keywords
stainless steel
less
duplex stainless
duplex
pnp
Prior art date
Application number
EA201691349A
Other languages
English (en)
Other versions
EA033710B1 (ru
Inventor
Джеймс Оливер
Ян И. Йонссон
Original Assignee
Оутокумпу Оюй
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 Оутокумпу Оюй filed Critical Оутокумпу Оюй
Publication of EA201691349A1 publication Critical patent/EA201691349A1/ru
Publication of EA033710B1 publication Critical patent/EA033710B1/ru

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
    • C22C38/001—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
    • 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
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • 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
    • C21D2211/001—Austenite
    • 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
    • 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
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • 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
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • 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

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)
  • Heat Treatment Of Steel (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)

Abstract

Изобретение относится к дуплексной ферритно-аустенитной нержавеющей стали, обладающей высокой способностью к формоизменению с использованием эффекта ПНП и высокой стойкостью к коррозии со сбалансированным эквивалентом стойкости к точечной коррозии. Дуплексная нержавеющая сталь содержит менее 0,04 мас.% углерода, от 0,2 до 0,8 мас.% кремния, менее 2,0 мас.% марганца, от 16,5 до 19,5 мас.% хрома, от 3,0 до 4,7 мас.% никеля, от 1,5 до 4,0 мас.% молибдена, менее 3,5 мас.% вольфрама, менее 1 мас.% меди, от 0,13 до 0,26 мас.% азота, остальное составляет железо и неизбежные примеси, присутствующие в нержавеющих сталях.
EA201691349A 2014-02-03 2015-02-02 Дуплексная нержавеющая сталь EA033710B1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20145113A FI125466B (en) 2014-02-03 2014-02-03 DUPLEX STAINLESS STEEL
PCT/FI2015/050065 WO2015114222A1 (en) 2014-02-03 2015-02-02 Duplex stainless steel

Publications (2)

Publication Number Publication Date
EA201691349A1 true EA201691349A1 (ru) 2017-01-30
EA033710B1 EA033710B1 (ru) 2019-11-19

Family

ID=53756268

Family Applications (1)

Application Number Title Priority Date Filing Date
EA201691349A EA033710B1 (ru) 2014-02-03 2015-02-02 Дуплексная нержавеющая сталь

Country Status (14)

Country Link
US (1) US11692253B2 (ru)
EP (1) EP3102714B1 (ru)
JP (1) JP6294972B2 (ru)
KR (1) KR102382398B1 (ru)
CN (1) CN105980592B (ru)
AU (1) AU2015212697B2 (ru)
CA (1) CA2937590A1 (ru)
EA (1) EA033710B1 (ru)
ES (1) ES2879805T3 (ru)
FI (1) FI125466B (ru)
MX (1) MX2016010013A (ru)
SI (1) SI3102714T1 (ru)
TW (1) TWI675925B (ru)
WO (1) WO2015114222A1 (ru)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL3301197T3 (pl) * 2016-09-29 2022-02-21 Outokumpu Oyj Sposób odkształcania na zimno stali austenitycznej
JP6384636B1 (ja) * 2017-01-13 2018-09-05 Ｊｆｅスチール株式会社 高強度ステンレス継目無鋼管およびその製造方法
JP6791012B2 (ja) * 2017-05-24 2020-11-25 Ｊｆｅスチール株式会社 耐食性及び耐水素脆性に優れた二相ステンレス鋼
JP6791011B2 (ja) * 2017-05-24 2020-11-25 Ｊｆｅスチール株式会社 耐食性及び耐水素脆性に優れた二相ステンレス鋼
KR102247418B1 (ko) * 2018-12-19 2021-05-03 엘지전자 주식회사 동합금 스테인리스 배관과, 이를 포함하는 공기 조화기 및 그 제조방법
DE102019209163A1 (de) * 2019-05-07 2020-11-12 Sms Group Gmbh Verfahren zur Wärmebehandlung eines metallischen Produkts
EP3960881A1 (en) 2020-09-01 2022-03-02 Outokumpu Oyj Austenitic stainless steel
CN111961991B (zh) * 2020-09-02 2021-10-22 燕山大学 一种超高强塑积trip型双相不锈钢及其制备方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5325214A (en) * 1976-12-20 1978-03-08 Sumitomo Metal Ind Ltd Seawater resistant high chromium low nickel stainless steel
JPS52141414A (en) 1976-12-20 1977-11-25 Sumitomo Metal Ind Ltd Sea water corrosion resistant two phases stainless steel of high c# and low n# group
CA1214667A (en) * 1983-01-05 1986-12-02 Terry A. Debold Duplex alloy
JP2952929B2 (ja) 1990-02-02 1999-09-27 住友金属工業株式会社 ２相ステンレス鋼およびその鋼材の製造方法
JPH10102206A (ja) * 1996-09-27 1998-04-21 Kubota Corp 高耐食・高腐食疲労強度二相ステンレス鋼
JP2000313940A (ja) * 1999-04-27 2000-11-14 Sumitomo Metal Ind Ltd 二相ステンレス鋼材およびその製造方法
AU2002242314B2 (en) * 2001-10-30 2007-04-26 Ati Properties, Inc. Duplex stainless steels
CN100427627C (zh) * 2003-08-07 2008-10-22 住友金属工业株式会社 二相不锈钢及其制造方法
CN100482843C (zh) 2006-12-31 2009-04-29 许季祥 高性能耐腐蚀稀土超强双相不锈钢及其冶炼工艺
AU2008207596A1 (en) * 2007-03-26 2008-10-16 Sumitomo Metal Industries, Ltd. Oil country tubular good for expansion in well and duplex stainless steel used for oil country tubular good for expansion
CN101765671B (zh) * 2007-08-02 2012-01-11 新日铁住金不锈钢株式会社 耐蚀性和加工性优良的铁素体-奥氏体系不锈钢及其制造方法
FI122657B (fi) * 2010-04-29 2012-05-15 Outokumpu Oy Menetelmä korkean muokattavuuden omaavan ferriittis-austeniittisen ruostumattoman teräksen valmistamiseksi ja hyödyntämiseksi
FI126574B (fi) 2011-09-07 2017-02-28 Outokumpu Oy Dupleksinen ruostumaton teräs
JP6405078B2 (ja) 2012-05-07 2018-10-17 株式会社神戸製鋼所 二相ステンレス鋼材および二相ステンレス鋼管

Also Published As

Publication number Publication date
CN105980592A (zh) 2016-09-28
CA2937590A1 (en) 2015-08-06
SI3102714T1 (sl) 2021-11-30
EP3102714A1 (en) 2016-12-14
KR20160124131A (ko) 2016-10-26
ES2879805T3 (es) 2021-11-23
FI20145113A (fi) 2015-08-04
JP6294972B2 (ja) 2018-03-14
KR102382398B1 (ko) 2022-04-01
TWI675925B (zh) 2019-11-01
TW201538750A (zh) 2015-10-16
AU2015212697A1 (en) 2016-09-01
US11692253B2 (en) 2023-07-04
AU2015212697B2 (en) 2019-04-18
JP2017509790A (ja) 2017-04-06
CN105980592B (zh) 2018-11-16
EA033710B1 (ru) 2019-11-19
US20160369382A1 (en) 2016-12-22
EP3102714B1 (en) 2021-05-19
EP3102714A4 (en) 2017-09-20
FI125466B (en) 2015-10-15
MX2016010013A (es) 2017-04-10
WO2015114222A1 (en) 2015-08-06
BR112016017878A2 (pt) 2017-08-08

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MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): AM AZ BY KZ KG TJ TM