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AU2012218661B2 - Duplex stainless steel - Google Patents

Duplex stainless steel Download PDF

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Publication number
AU2012218661B2
AU2012218661B2 AU2012218661A AU2012218661A AU2012218661B2 AU 2012218661 B2 AU2012218661 B2 AU 2012218661B2 AU 2012218661 A AU2012218661 A AU 2012218661A AU 2012218661 A AU2012218661 A AU 2012218661A AU 2012218661 B2 AU2012218661 B2 AU 2012218661B2
Authority
AU
Australia
Prior art keywords
content
duplex stainless
steel
stainless steel
less
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
AU2012218661A
Other languages
English (en)
Other versions
AU2012218661A1 (en
Inventor
Hisashi Amaya
Masahiko Hamada
Daisuke MOTOYA
Hiroyuki Nagayama
Kenta Yamada
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 Corp
Original Assignee
Nippon Steel Corp
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 Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of AU2012218661A1 publication Critical patent/AU2012218661A1/en
Application granted granted Critical
Publication of AU2012218661B2 publication Critical patent/AU2012218661B2/en
Assigned to NIPPON STEEL CORPORATION reassignment NIPPON STEEL CORPORATION Request to Amend Deed and Register Assignors: NIPPON STEEL & SUMITOMO METAL CORPORATION
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
    • 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
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/005—Heat treatment of ferrous alloys containing Mn
    • 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
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—Hot rolling
    • 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
    • C22C38/002—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
    • C22C38/02—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
    • C22C38/42—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
    • C22C38/54—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
    • C22C38/18—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
    • C21D2211/004—Dispersions; Precipitations
    • 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
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/13—Modifying the physical properties of iron or steel by deformation by hot working

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
AU2012218661A 2011-02-14 2012-02-10 Duplex stainless steel Active AU2012218661B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011028334 2011-02-14
JP2011-028334 2011-02-14
PCT/JP2012/053037 WO2012111537A1 (ja) 2011-02-14 2012-02-10 二相ステンレス鋼

Publications (2)

Publication Number Publication Date
AU2012218661A1 AU2012218661A1 (en) 2013-09-05
AU2012218661B2 true AU2012218661B2 (en) 2015-04-30

Family

ID=46672462

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2012218661A Active AU2012218661B2 (en) 2011-02-14 2012-02-10 Duplex stainless steel

Country Status (9)

Country Link
US (1) US20130315776A1 (ja)
EP (1) EP2677056B1 (ja)
JP (1) JP5206904B2 (ja)
CN (1) CN103370435B (ja)
AU (1) AU2012218661B2 (ja)
BR (1) BR112013017647B1 (ja)
CA (1) CA2826893C (ja)
MX (1) MX351782B (ja)
WO (1) WO2012111537A1 (ja)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102482746B (zh) * 2009-09-10 2016-06-22 新日铁住金株式会社 双相不锈钢
ES2795753T3 (es) * 2011-02-14 2020-11-24 Nippon Steel Corp Placa o tubería de acero inoxidable dúplex y proceso de producción de las mismas
CN103781931B (zh) * 2011-09-06 2016-06-22 新日铁住金株式会社 双相不锈钢
CN103938115A (zh) * 2014-03-03 2014-07-23 黄忠波 一种双相不锈钢合金材料
CN105986196A (zh) * 2015-03-05 2016-10-05 中国科学院金属研究所 一种耐微生物腐蚀的双相不锈钢
WO2017141907A1 (ja) 2016-02-17 2017-08-24 新日鐵住金ステンレス株式会社 フェライト‐オーステナイト系二相ステンレス鋼材とその製造方法
AU2017274993B2 (en) 2016-06-01 2019-09-12 Nippon Steel Corporation Duplex stainless steel and duplex stainless steel manufacturing method
RU2698235C1 (ru) 2016-09-02 2019-08-23 ДжФЕ СТИЛ КОРПОРЕЙШН Двухфазная нержавеющая сталь и способ её изготовления
JP6780426B2 (ja) * 2016-10-06 2020-11-04 日本製鉄株式会社 二相ステンレス鋼
JP6946737B2 (ja) * 2017-05-18 2021-10-06 日本製鉄株式会社 二相ステンレス鋼材及びその製造方法
CN109648064B (zh) * 2019-01-25 2021-04-20 北京科技大学 一种超级奥氏体不锈钢凝固组织σ相变性的方法
MX2021009166A (es) * 2019-01-30 2021-09-10 Jfe Steel Corp Acero inoxidable duplex, tuberia o tubo de acero sin costura, y un metodo de fabricacion del acero inoxidable duplex.
EP3960885B1 (en) * 2019-04-24 2024-04-10 Nippon Steel Corporation Duplex stainless seamless steel pipe and method for producing duplex stainless seamless steel pipe
JP6863529B1 (ja) 2019-05-29 2021-04-21 Ｊｆｅスチール株式会社 二相ステンレス鋼およびその製造方法、並びに二相ステンレス鋼管
CA3148069C (en) * 2019-08-19 2023-10-24 Nippon Steel Corporation Duplex stainless steel material
JP7518343B2 (ja) * 2020-04-10 2024-07-18 日本製鉄株式会社 二相ステンレス鋼材
CN115735016B (zh) * 2020-06-30 2024-03-08 日本制铁株式会社 双相不锈钢钢管和焊接接头
CN113210420B (zh) * 2021-04-21 2022-12-06 鞍钢联众(广州)不锈钢有限公司 一种双相不锈钢钢卷及其制造方法
JP7256435B1 (ja) * 2021-09-29 2023-04-12 日本製鉄株式会社 二相ステンレス鋼材
JP2023151344A (ja) * 2022-03-31 2023-10-16 日鉄ステンレス株式会社 粗製リン酸による耐変色性に優れる二相ステンレス鋼およびそれを使用した粗製リン酸用構造物
JP7804046B1 (ja) 2024-12-12 2026-01-21 株式会社Uex 溶接継手の製造方法、溶接継手の製造条件の算出方法および溶接継手

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JPH08120413A (ja) * 1994-10-26 1996-05-14 Yasuki Seisakusho:Kk ２相ステンレス鋳造部材およびその製造方法
JP2001220652A (ja) * 2000-02-03 2001-08-14 Sumitomo Metal Ind Ltd ２相ステンレス鋼とその鋼管の製造方法

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Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08120413A (ja) * 1994-10-26 1996-05-14 Yasuki Seisakusho:Kk ２相ステンレス鋳造部材およびその製造方法
JP2001220652A (ja) * 2000-02-03 2001-08-14 Sumitomo Metal Ind Ltd ２相ステンレス鋼とその鋼管の製造方法

Also Published As

Publication number Publication date
JP5206904B2 (ja) 2013-06-12
WO2012111537A1 (ja) 2012-08-23
CA2826893A1 (en) 2012-08-23
CN103370435B (zh) 2016-04-20
AU2012218661A1 (en) 2013-09-05
MX2013008518A (es) 2013-08-12
US20130315776A1 (en) 2013-11-28
EP2677056A4 (en) 2015-03-25
CN103370435A (zh) 2013-10-23
BR112013017647B1 (pt) 2019-03-26
BR112013017647A2 (pt) 2016-12-20
JPWO2012111537A1 (ja) 2014-07-07
MX351782B (es) 2017-10-30
CA2826893C (en) 2016-06-07
EP2677056A1 (en) 2013-12-25
EP2677056B1 (en) 2016-05-18

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Legal Events

Date Code Title Description
FGA Letters patent sealed or granted (standard patent)
HB Alteration of name in register

Owner name: NIPPON STEEL CORPORATION

Free format text: FORMER NAME(S): NIPPON STEEL & SUMITOMO METAL CORPORATION