BR112013020445A2 - aço inoxidável dúplex e método de produção para o mesmo - Google Patents

aço inoxidável dúplex e método de produção para o mesmo

Info

Publication number
BR112013020445A2
BR112013020445A2 BR112013020445-1A BR112013020445A BR112013020445A2 BR 112013020445 A2 BR112013020445 A2 BR 112013020445A2 BR 112013020445 A BR112013020445 A BR 112013020445A BR 112013020445 A2 BR112013020445 A2 BR 112013020445A2
Authority
BR
Brazil
Prior art keywords
stainless steel
maximum
manufacturing
same
phase stainless
Prior art date
Application number
BR112013020445-1A
Other languages
English (en)
Japanese (ja)
Other versions
BR112013020445B1 (pt
Inventor
Motoya Daisuke
Hamada Masahiko
Amaya Hisashi
Nagayama Hiroyuki
Yamada Kenta
Original Assignee
Nippon Steel & Sumitomo Metal Corporation
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 & Sumitomo Metal Corporation filed Critical Nippon Steel & Sumitomo Metal Corporation
Publication of BR112013020445A2 publication Critical patent/BR112013020445A2/pt
Publication of BR112013020445B1 publication Critical patent/BR112013020445B1/pt

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
    • C21D6/005—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
    • 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
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • 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
    • 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
    • C22C38/005—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
    • C22C38/02—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
    • C21D2211/005—Ferrite

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)

Abstract

aço inoxidável dúplex e método de produção para o mesmo trata-se de um aço inoxidável dúplex que tem uma alta força e uma alta rigidez. um aço inoxidável, de acordo com a presente invenção, inclui: uma composição química que contém, em percentual em massa, c: no máximo 0,030% si: 0,20 a 1,00%, mn: no máximo 8,00%, p: no máximo 0,040%, s: no máximo 0,0100%, cu: mais de 2,00% e no máximo 4,00%, ni: 4,00 a 8,00%, cr: 20,0 a 30,0%, mo: pelo menos 0,50% e menos do que 2,00%, n: 0,100 a 0,350% e sol. al: no máximo 0,040% sendo que o saldo é fe e impurezas; e uma estrutura, em que uma taxa de ferrita na estrutura é de 30 a 70% e uma dureza da ferrita na estrutura é de pelo menos 300 hv^ 10gf^.
BR112013020445A 2011-02-14 2012-02-10 aço inoxidável dúplex e método de produção para o mesmo BR112013020445B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011028335 2011-02-14
JP2011-028335 2011-02-14
PCT/JP2012/053036 WO2012111536A1 (ja) 2011-02-14 2012-02-10 二相ステンレス鋼およびその製造方法

Publications (2)

Publication Number Publication Date
BR112013020445A2 true BR112013020445A2 (pt) 2018-09-04
BR112013020445B1 BR112013020445B1 (pt) 2019-08-13

Family

ID=46672461

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112013020445A BR112013020445B1 (pt) 2011-02-14 2012-02-10 aço inoxidável dúplex e método de produção para o mesmo

Country Status (10)

Country Link
US (1) US9771628B2 (pt)
EP (1) EP2677054B1 (pt)
JP (1) JP5229425B2 (pt)
CN (1) CN103370436B (pt)
AU (1) AU2012218660B2 (pt)
BR (1) BR112013020445B1 (pt)
CA (1) CA2826880C (pt)
ES (1) ES2795753T3 (pt)
MX (1) MX355892B (pt)
WO (1) WO2012111536A1 (pt)

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EP2902525B1 (en) * 2009-09-10 2016-05-11 Nippon Steel & Sumitomo Metal Corporation Duplex stainless steel
MX362881B (es) * 2011-09-06 2019-02-20 Nippon Steel & Sumitomo Metal Corp Acero inoxidable duplex.
EP3040434B1 (en) * 2013-08-28 2019-03-27 Hitachi, Ltd. Duplex stainless steel, and duplex stainless steel structure, marine structure, petroleum/gas environment structure, pump impeller, pump casing, and flow adjustment valve body using same
CN106032561A (zh) * 2015-03-11 2016-10-19 大田精密工业股份有限公司 高尔夫球铁杆头的组成合金
CN108779539B (zh) 2015-12-14 2021-03-26 世伟洛克公司 无需退火固溶的高度合金不锈钢锻件
US11066719B2 (en) 2016-06-01 2021-07-20 Nippon Steel Corporation Duplex stainless steel and method of manufacturing duplex stainless steel
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
CN107604244A (zh) * 2017-08-23 2018-01-19 宁波市鄞州亚大汽车管件有限公司 直通式消音器
CN107675099A (zh) * 2017-08-23 2018-02-09 宁波市鄞州亚大汽车管件有限公司 弯管式消音器
US20220106659A1 (en) * 2019-01-30 2022-04-07 Jfe Steel Corporation Duplex stainless steel, seamless steel pipe or tube, and a method of manufacturing the duplex stainless steel
JP7188570B2 (ja) * 2019-04-24 2022-12-13 日本製鉄株式会社 二相ステンレス継目無鋼管、及び、二相ステンレス継目無鋼管の製造方法
JP7277731B2 (ja) * 2019-05-14 2023-05-19 日本製鉄株式会社 ２相ステンレス鋼及び２相ステンレス鋼の製造方法
WO2020241084A1 (ja) * 2019-05-29 2020-12-03 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
CN110333192A (zh) * 2019-05-29 2019-10-15 合肥通用机械研究院有限公司 一种双相不锈钢中有害析出相的快速检测评价方法
US20220145438A1 (en) * 2019-08-19 2022-05-12 Nippon Steel Corporation Duplex stainless steel material
EP4174205A1 (en) * 2020-06-30 2023-05-03 Nippon Steel Corporation Two-phase stainless steel pipe and welded fitting
CN112195414B (zh) * 2020-10-21 2021-10-29 中泽电气科技有限公司 一种配电箱用耐腐蚀不锈钢材料制备方法
CN115584443A (zh) * 2021-07-05 2023-01-10 中国石油天然气集团有限公司 一种含铜抗菌双相不锈钢连续管及加工方法
CN114836606B (zh) * 2022-04-01 2023-05-26 山西太钢不锈钢股份有限公司 经济型双相不锈钢板材、提高其强度的方法及其应用
JP7364955B1 (ja) 2022-07-04 2023-10-19 日本製鉄株式会社 二相ステンレス鋼材

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CN103370435B (zh) * 2011-02-14 2016-04-20 新日铁住金株式会社 双相不锈钢

Also Published As

Publication number Publication date
CN103370436A (zh) 2013-10-23
EP2677054A1 (en) 2013-12-25
MX355892B (es) 2018-05-04
US20130312880A1 (en) 2013-11-28
AU2012218660A1 (en) 2013-09-05
EP2677054B1 (en) 2020-03-25
MX2013009235A (es) 2013-08-29
JPWO2012111536A1 (ja) 2014-07-07
CN103370436B (zh) 2016-04-20
AU2012218660B2 (en) 2015-05-21
CA2826880A1 (en) 2012-08-23
ES2795753T3 (es) 2020-11-24
WO2012111536A1 (ja) 2012-08-23
EP2677054A4 (en) 2016-12-28
US9771628B2 (en) 2017-09-26
JP5229425B2 (ja) 2013-07-03
CA2826880C (en) 2017-07-25
BR112013020445B1 (pt) 2019-08-13

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 10/02/2012, OBSERVADAS AS CONDICOES LEGAIS. (CO) 20 (VINTE) ANOS CONTADOS A PARTIR DE 10/02/2012, OBSERVADAS AS CONDICOES LEGAIS

B25D Requested change of name of applicant approved

Owner name: NIPPON STEEL CORPORATION (JP)