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MX2013008518A - Acero inoxidable duplex. - Google Patents

Acero inoxidable duplex.

Info

Publication number
MX2013008518A
MX2013008518A MX2013008518A MX2013008518A MX2013008518A MX 2013008518 A MX2013008518 A MX 2013008518A MX 2013008518 A MX2013008518 A MX 2013008518A MX 2013008518 A MX2013008518 A MX 2013008518A MX 2013008518 A MX2013008518 A MX 2013008518A
Authority
MX
Mexico
Prior art keywords
less
stainless steel
duplex stainless
sol
mpa
Prior art date
Application number
MX2013008518A
Other languages
English (en)
Other versions
MX351782B (es
Inventor
Hisashi Amaya
Hiroyuki Nagayama
Kenta Yamada
Masahiko Hamada
Daisuke Motoya
Original Assignee
Nippon Steel & Sumitomo Metal 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 & Sumitomo Metal Corp filed Critical Nippon Steel & Sumitomo Metal Corp
Publication of MX2013008518A publication Critical patent/MX2013008518A/es
Publication of MX351782B publication Critical patent/MX351782B/es

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)

Abstract

Se provee un acero inoxidable dúplex que puede suprimir la precipitación de una fase a en el tiempo de soldadura de entrada de calor elevado, es excelente en resistencia a SCC bajo ambientes de cloruro a alta temperatura y tiene alta resistencia. El acero inoxidable dúplex de conformidad con la presente invención incluye una composición química que contiene: en por ciento en masa, C: cuando mucho 0.030%, Si: 0.20 a 1.00%, Mn: cuando mucho 8.00%, P: cuando mucho 0.040%, S: cuando mucho 0.0100%, Cu: más de 2.00% y cuando mucho 4.00%, Ni: 4.00 a 8.00%, Cr: 20.0 a 28.0%, Mo: 0.50 a 2.00%, N: 0.100 a 0.350%, y Al sol.: cuando' mucho 0.040%, el resto siendo Fe e impurezas, y satisface la expresión (1) y expresión (2); una estructura que tiene una tasa de ferrita de por lo menos 50%; y una resistencia a la deformación de por lo menos 550 Mpa o más: 2.2Cr+7Mo+3Cu >66 (1) Cr + 11Mo + 10Ni < 12(Cu + 30N) (2).
MX2013008518A 2011-02-14 2012-02-10 Acero inoxidable duplex. MX351782B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011028334 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
MX2013008518A true MX2013008518A (es) 2013-08-12
MX351782B MX351782B (es) 2017-10-30

Family

ID=46672462

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2013008518A MX351782B (es) 2011-02-14 2012-02-10 Acero inoxidable duplex.

Country Status (9)

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

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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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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
AU2012218661B2 (en) 2015-04-30
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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