SE1950909A1 - Duplex steel with improved embrittlement properties and method of producing such - Google Patents

Duplex steel with improved embrittlement properties and method of producing such

Info

Publication number
SE1950909A1
SE1950909A1 SE1950909A SE1950909A SE1950909A1 SE 1950909 A1 SE1950909 A1 SE 1950909A1 SE 1950909 A SE1950909 A SE 1950909A SE 1950909 A SE1950909 A SE 1950909A SE 1950909 A1 SE1950909 A1 SE 1950909A1
Authority
SE
Sweden
Prior art keywords
duplex stainless
stainless steel
steel product
dss
product
Prior art date
Application number
SE1950909A
Other languages
English (en)
Inventor
Joakim Odqvist
Peter Hedström
Wangzhong Mu
Original Assignee
Ferritico 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 Ferritico Ab filed Critical Ferritico Ab
Priority to SE1950909A priority Critical patent/SE1950909A1/sv
Priority to PCT/SE2020/050758 priority patent/WO2021021010A1/en
Publication of SE1950909A1 publication Critical patent/SE1950909A1/sv

Links

Classifications

    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
    • 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • 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
    • 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
    • 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
    • C21D2211/002—Bainite
    • 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
    • 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
    • C21D2211/008—Martensite
    • 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
    • C21D6/00—Heat treatment of ferrous alloys

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
SE1950909A 2019-07-31 2019-07-31 Duplex steel with improved embrittlement properties and method of producing such SE1950909A1 (sv)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE1950909A SE1950909A1 (sv) 2019-07-31 2019-07-31 Duplex steel with improved embrittlement properties and method of producing such
PCT/SE2020/050758 WO2021021010A1 (en) 2019-07-31 2020-07-29 Duplex stainless steel with improved embrittlement properties and method of producing such

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1950909A SE1950909A1 (sv) 2019-07-31 2019-07-31 Duplex steel with improved embrittlement properties and method of producing such

Publications (1)

Publication Number Publication Date
SE1950909A1 true SE1950909A1 (sv) 2021-02-01

Family

ID=72039650

Family Applications (1)

Application Number Title Priority Date Filing Date
SE1950909A SE1950909A1 (sv) 2019-07-31 2019-07-31 Duplex steel with improved embrittlement properties and method of producing such

Country Status (2)

Country Link
SE (1) SE1950909A1 (sv)
WO (1) WO2021021010A1 (sv)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0466616A (ja) * 1990-07-05 1992-03-03 Sumitomo Electric Ind Ltd ステンレス鋼線の強靭化方法
JPH09111335A (ja) * 1995-10-16 1997-04-28 Toshiba Corp ２相ステンレス鋼の熱処理法
JPH11100613A (ja) * 1997-09-25 1999-04-13 Sumitomo Metal Ind Ltd ２相ステンレス鋼の光輝焼鈍方法
JP2012193432A (ja) * 2011-03-17 2012-10-11 Nippon Steel & Sumikin Stainless Steel Corp 線状加熱性に優れたケミカルタンカー用二相ステンレス鋼
CN104630425A (zh) * 2015-01-29 2015-05-20 安徽工业大学 一种消除核电管道铸造不锈钢中σ相的方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2958618A (en) * 1957-07-31 1960-11-01 Armco Steel Corp Method for hardening chromiumnickel stainless steel
JP2500162B2 (ja) * 1991-11-11 1996-05-29 住友金属工業株式会社 耐食性に優れた高強度二相ステンレス鋼
AR038192A1 (es) * 2002-02-05 2005-01-05 Toyo Engineering Corp Acero inoxidable duplex para plantas de produccion de urea, planta de produccion de urea y material de soldadura fabricado con dicho acero inoxidable duplex.
KR101767017B1 (ko) * 2008-03-26 2017-08-09 닛폰 스틸 앤드 스미킨 스테인레스 스틸 코포레이션 용접 열 영향부의 내식성과 인성이 양호한 저합금 2상 스테인리스강
FI125854B (sv) * 2011-11-04 2016-03-15 Outokumpu Oy Duplex rostfritt stål
JP6149102B2 (ja) * 2013-03-19 2017-06-14 新日鐵住金ステンレス株式会社 線状加熱性良好な二相ステンレス鋼を合わせ材とするクラッド鋼板およびその製造方法
JP6286435B2 (ja) 2013-08-28 2018-02-28 株式会社日立製作所 二相ステンレス鋼並びにこれを用いた二相ステンレス鋼製構造物
JP2017095794A (ja) * 2015-11-17 2017-06-01 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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0466616A (ja) * 1990-07-05 1992-03-03 Sumitomo Electric Ind Ltd ステンレス鋼線の強靭化方法
JPH09111335A (ja) * 1995-10-16 1997-04-28 Toshiba Corp ２相ステンレス鋼の熱処理法
JPH11100613A (ja) * 1997-09-25 1999-04-13 Sumitomo Metal Ind Ltd ２相ステンレス鋼の光輝焼鈍方法
JP2012193432A (ja) * 2011-03-17 2012-10-11 Nippon Steel & Sumikin Stainless Steel Corp 線状加熱性に優れたケミカルタンカー用二相ステンレス鋼
CN104630425A (zh) * 2015-01-29 2015-05-20 安徽工业大学 一种消除核电管道铸造不锈钢中σ相的方法

Also Published As

Publication number Publication date
WO2021021010A1 (en) 2021-02-04

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