BR112023017868A2 - DUPLEX STAINLESS STEEL TUBE AND MANUFACTURING METHOD THEREOF - Google Patents

DUPLEX STAINLESS STEEL TUBE AND MANUFACTURING METHOD THEREOF

Info

Publication number
BR112023017868A2
BR112023017868A2 BR112023017868A BR112023017868A BR112023017868A2 BR 112023017868 A2 BR112023017868 A2 BR 112023017868A2 BR 112023017868 A BR112023017868 A BR 112023017868A BR 112023017868 A BR112023017868 A BR 112023017868A BR 112023017868 A2 BR112023017868 A2 BR 112023017868A2
Authority
BR
Brazil
Prior art keywords
steel tube
stainless steel
duplex stainless
manufacturing
less
Prior art date
Application number
BR112023017868A
Other languages
Portuguese (pt)
Inventor
Hideo Kijima
Masao Yuga
Seigo Goto
Shunsuke Sasaki
Tatsuro Katsumura
Original Assignee
Jfe 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 Jfe Steel Corp filed Critical Jfe Steel Corp
Publication of BR112023017868A2 publication Critical patent/BR112023017868A2/en

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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26—Methods of annealing
    • 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
    • C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
    • C21D7/10—Modifying the physical properties of iron or steel by deformation by cold working of the whole cross-section, e.g. of concrete reinforcing bars
    • 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
    • C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
    • C21D8/105—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies of ferrous alloys
    • 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
    • C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
    • 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
    • C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
    • 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
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • 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
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • 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
    • C21D2211/005—Ferrite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Articles (AREA)
  • Metal Extraction Processes (AREA)
  • Laminated Bodies (AREA)

Abstract

tubo de aço inoxidável duplex e método de fabricação do mesmo. aqui é fornecido um tubo de aço inoxidável duplex que é de alta resistência e tem excelente resistência à abrasão e resistência ao recorte nas superfícies interna e externa do tubo de aço. um método para fabricar tal tubo de aço inoxidável também é fornecido. um tubo de aço inoxidável duplex da presente invenção possui uma composição que contém, em % em massa, c: 0,005 a 0,150%, si: 1,0% ou menos, mn: 10,0% ou menos, cr: 11,5 a 35,0%, ni: 0,5 a 15,0%, mo: 0,5 a 6,0%, n: menos de 0,400% e o equilíbrio sendo fe e impurezas acidentais, e tem uma microestrutura com uma fase ferrítica e uma fase austenítica, o tubo de aço inoxidável duplex tendo uma resistência de escoamento por tração axial de 689 mpa ou mais, e tendo uma superfície externa e uma superfície interna, cada uma com uma camada de óxido tendo uma espessura média de 1,0 um ou mais.duplex stainless steel tube and manufacturing method thereof. here provided is a duplex stainless steel tube which is high strength and has excellent abrasion resistance and indentation resistance on the inner and outer surfaces of the steel tube. A method for manufacturing such a stainless steel tube is also provided. a duplex stainless steel tube of the present invention has a composition containing, in mass %, c: 0.005 to 0.150%, si: 1.0% or less, mn: 10.0% or less, cr: 11.5 to 35.0%, ni: 0.5 to 15.0%, mo: 0.5 to 6.0%, n: less than 0.400% and the balance being Fe and accidental impurities, and has a microstructure with a phase ferritic and an austenitic phase, the duplex stainless steel tube having an axial tensile yield strength of 689 mpa or more, and having an outer surface and an inner surface each with an oxide layer having an average thickness of 1, 0 one or more.

BR112023017868A 2021-03-17 2022-02-09 DUPLEX STAINLESS STEEL TUBE AND MANUFACTURING METHOD THEREOF BR112023017868A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021043498 2021-03-17
PCT/JP2022/005176 WO2022196196A1 (en) 2021-03-17 2022-02-09 Duplex stainless steel pipe and method for manufacturing same

Publications (1)

Publication Number Publication Date
BR112023017868A2 true BR112023017868A2 (en) 2023-10-10

Family

ID=83322225

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112023017868A BR112023017868A2 (en) 2021-03-17 2022-02-09 DUPLEX STAINLESS STEEL TUBE AND MANUFACTURING METHOD THEREOF

Country Status (9)

Country Link
EP (1) EP4282990A1 (en)
JP (1) JP7173411B1 (en)
CN (1) CN116917523A (en)
AR (1) AR125543A1 (en)
AU (1) AU2022240057A1 (en)
BR (1) BR112023017868A2 (en)
CA (1) CA3208799A1 (en)
MX (1) MX2023010534A (en)
WO (1) WO2022196196A1 (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57194213A (en) 1981-05-25 1982-11-29 Nippon Kokan Kk <Nkk> Production of abrasion resistant steel pipe
JPS63290616A (en) 1987-05-22 1988-11-28 Sumitomo Metal Ind Ltd Clad steel pipe having excellent wear and corrosion resistance
JPS6415323A (en) 1987-07-08 1989-01-19 Kawasaki Steel Co Production of wear resistant steel pipe
JP3697853B2 (en) * 1997-09-09 2005-09-21 Ｊｆｅスチール株式会社 Stainless hot rolled steel sheet excellent in corrosion resistance and method for producing the same
JP6792951B2 (en) * 2015-03-30 2020-12-02 日鉄ステンレス株式会社 Duplex stainless steel for ozone-containing water
JP6805574B2 (en) * 2015-07-10 2020-12-23 日本製鉄株式会社 Austenitic heat resistant steel and austenitic heat transfer member
KR102165758B1 (en) * 2016-06-29 2020-10-14 닛폰세이테츠 가부시키가이샤 Ferritic heat-resistant steel and ferritic heat transfer member
JP6849104B2 (en) * 2018-08-31 2021-03-24 Ｊｆｅスチール株式会社 Duplex stainless seamless steel pipe and its manufacturing method

Also Published As

Publication number Publication date
EP4282990A1 (en) 2023-11-29
WO2022196196A1 (en) 2022-09-22
AU2022240057A1 (en) 2023-08-17
CN116917523A (en) 2023-10-20
JPWO2022196196A1 (en) 2022-09-22
JP7173411B1 (en) 2022-11-16
CA3208799A1 (en) 2022-09-22
MX2023010534A (en) 2023-09-19
AR125543A1 (en) 2023-07-26

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