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MX351782B - Duplex stainless steel. - Google Patents

Duplex stainless steel.

Info

Publication number
MX351782B
MX351782B MX2013008518A MX2013008518A MX351782B MX 351782 B MX351782 B MX 351782B MX 2013008518 A MX2013008518 A MX 2013008518A MX 2013008518 A MX2013008518 A MX 2013008518A MX 351782 B MX351782 B MX 351782B
Authority
MX
Mexico
Prior art keywords
less
stainless steel
duplex stainless
sol
mpa
Prior art date
Application number
MX2013008518A
Other languages
Spanish (es)
Other versions
MX2013008518A (en
Inventor
Amaya Hisashi
Nagayama Hiroyuki
Yamada Kenta
Hamada Masahiko
Motoya Daisuke
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/en
Publication of MX351782B publication Critical patent/MX351782B/en

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

Provided is a duplex stainless steel in which σ-phase precipitation can be suppressed during high heat input welding, and having high strength and excellent SCC resistance under a high-temperature chloride environment. A duplex stainless steel according to the present invention has: a chemical composition satisfying formulas (1) and (2), and comprising, by mass percent, 0.030% or less of C, 0.20 to 1.00% of Si, 8.00% or less of Mn, 0.040% or less of P, 0.0100% or less of S, more than 2.00% but not more than 4.00% of Cu, 4.00 to 8.00% of Ni, 20.0 to 28.0% of Cr, 0.50 to 2.00% of Mo, 0.100 to 0.350% of N, and 0.040% or less of sol. Al, with the remainder comprising Fe and impurities; a structure with a ferrite content of 50% or more; and a yield strength of 550 MPa or more. 2.2Cr+7Mo+3Cu>66 (1) Cr+11Mo+10Ni<12(Cu+30N) (2).
MX2013008518A 2011-02-14 2012-02-10 Duplex stainless steel. MX351782B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011028334 2011-02-14
PCT/JP2012/053037 WO2012111537A1 (en) 2011-02-14 2012-02-10 Duplex stainless steel

Publications (2)

Publication Number Publication Date
MX2013008518A MX2013008518A (en) 2013-08-12
MX351782B true MX351782B (en) 2017-10-30

Family

ID=46672462

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2013008518A MX351782B (en) 2011-02-14 2012-02-10 Duplex stainless steel.

Country Status (9)

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

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IN2012DN01250A (en) * 2009-09-10 2015-05-15 Sumitomo Metal Ind
BR112013020445B1 (en) * 2011-02-14 2019-08-13 Nippon Steel & Sumitomo Metal Corp duplex stainless steel and production method for the same
EP2754726B1 (en) * 2011-09-06 2019-02-27 Nippon Steel & Sumitomo Metal Corporation Two-phase stainless steel
CN103938115A (en) * 2014-03-03 2014-07-23 黄忠波 Double phase stainless steel alloy material
CN105986196A (en) * 2015-03-05 2016-10-05 中国科学院金属研究所 Microbiological corrosion resisting duplex stainless steel
MX2018009931A (en) * 2016-02-17 2018-11-29 Nippon Steel & Sumikin Sst Ferritic-austenitic two-phase stainless steel material and method for manufacturing same.
JP6693561B2 (en) * 2016-06-01 2020-05-13 日本製鉄株式会社 Duplex stainless steel and method for producing duplex stainless steel
RU2698235C1 (en) * 2016-09-02 2019-08-23 ДжФЕ СТИЛ КОРПОРЕЙШН Two-phase stainless steel and its manufacturing method
JP6780426B2 (en) * 2016-10-06 2020-11-04 日本製鉄株式会社 Duplex stainless steel
JP6946737B2 (en) * 2017-05-18 2021-10-06 日本製鉄株式会社 Duplex stainless steel and its manufacturing method
CN109648064B (en) * 2019-01-25 2021-04-20 北京科技大学 A method for super austenitic stainless steel solidification structure σ phase transformation
WO2020158111A1 (en) * 2019-01-30 2020-08-06 Ｊｆｅスチール株式会社 Duplex stainless steel, seamless steel pipe, and production method for duplex stainless steel
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
US20220228231A1 (en) * 2019-05-29 2022-07-21 Jfe Steel Corporation Duplex stainless steel and method for manufacturing same, and duplex stainless steel pipe
JP7173359B2 (en) * 2019-08-19 2022-11-16 日本製鉄株式会社 duplex stainless steel
JP7518343B2 (en) 2020-04-10 2024-07-18 日本製鉄株式会社 Duplex Stainless Steel
CN115735016B (en) * 2020-06-30 2024-03-08 日本制铁株式会社 Double-phase stainless steel pipe and welded joint
CN113210420B (en) * 2021-04-21 2022-12-06 鞍钢联众(广州)不锈钢有限公司 Double-phase stainless steel coil and manufacturing method thereof

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS505972B1 (en) * 1970-05-11 1975-03-10
JPS5340656A (en) * 1973-02-07 1978-04-13 Nippon Yakin Kogyo Co Ltd Electrode core wire provided for stainless steel welding
JPS5424364B2 (en) * 1973-05-04 1979-08-21
JPS51117916A (en) * 1975-04-10 1976-10-16 Daido Steel Co Ltd Ferrite-austenite type two phase stainless steel
JPS55158256A (en) * 1979-05-29 1980-12-09 Daido Steel Co Ltd Ferritic-austenitic two-phase stainless steel
JP2790749B2 (en) * 1992-03-27 1998-08-27 株式会社クボタ Duplex stainless steel with excellent drill and bite workability
JP2881361B2 (en) * 1992-12-17 1999-04-12 株式会社クボタ High corrosion fatigue strength stainless steel
JPH06184699A (en) * 1992-12-17 1994-07-05 Kubota Corp Stainless steel with high corrosion fatigue strength
JP3155431B2 (en) * 1994-10-26 2001-04-09 株式会社安来製作所 Duplex stainless cast member and method of manufacturing the same
KR100216683B1 (en) 1994-12-16 1999-09-01 고지마 마타오 2-phase stainless steel with excellent corrosion resistance
JPH1060526A (en) * 1996-08-19 1998-03-03 Nkk Corp Production of seawater resistant precipitation strengthening type duplex stainless steel
JP2000313940A (en) * 1999-04-27 2000-11-14 Sumitomo Metal Ind Ltd Duplex stainless steel material and manufacturing method thereof
JP3534032B2 (en) * 2000-02-03 2004-06-07 住友金属工業株式会社 Method for producing duplex stainless steel pipe
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JP4502131B2 (en) * 2005-09-20 2010-07-14 住友金属工業株式会社 Duplex stainless steel with excellent hot workability
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Also Published As

Publication number Publication date
EP2677056A1 (en) 2013-12-25
AU2012218661B2 (en) 2015-04-30
EP2677056B1 (en) 2016-05-18
EP2677056A4 (en) 2015-03-25
CA2826893A1 (en) 2012-08-23
JP5206904B2 (en) 2013-06-12
WO2012111537A1 (en) 2012-08-23
CN103370435B (en) 2016-04-20
JPWO2012111537A1 (en) 2014-07-07
BR112013017647B1 (en) 2019-03-26
AU2012218661A1 (en) 2013-09-05
CA2826893C (en) 2016-06-07
BR112013017647A2 (en) 2016-12-20
US20130315776A1 (en) 2013-11-28
MX2013008518A (en) 2013-08-12
CN103370435A (en) 2013-10-23

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