EA200870436A1 - Низколегированная сталь, бесшовные стальные трубы нефтепромыслового сортамента и способ изготовления бесшовной стальной трубы - Google Patents

Низколегированная сталь, бесшовные стальные трубы нефтепромыслового сортамента и способ изготовления бесшовной стальной трубы

Info

Publication number
EA200870436A1
EA200870436A1 EA200870436A EA200870436A EA200870436A1 EA 200870436 A1 EA200870436 A1 EA 200870436A1 EA 200870436 A EA200870436 A EA 200870436A EA 200870436 A EA200870436 A EA 200870436A EA 200870436 A1 EA200870436 A1 EA 200870436A1
Authority
EA
Eurasian Patent Office
Prior art keywords
less
steel pipes
seamless steel
sortages
oil
Prior art date
Application number
EA200870436A
Other languages
English (en)
Other versions
EA012256B1 (ru
Inventor
Куниаки Томомацу
Томохико ОМУРА
Юдзи АРАИ
Тосихару Абе
Original Assignee
Сумитомо Метал Индастриз, Лтд.
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 Сумитомо Метал Индастриз, Лтд. filed Critical Сумитомо Метал Индастриз, Лтд.
Publication of EA200870436A1 publication Critical patent/EA200870436A1/ru
Publication of EA012256B1 publication Critical patent/EA012256B1/ru

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
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • 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
    • C21D6/002—Heat treatment of ferrous alloys containing Cr
    • 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
    • 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
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
    • 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
    • C21D9/14—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes wear-resistant or pressure-resistant 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
    • C22C38/002—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
    • C22C38/04—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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials 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 Articles (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

Низколегированная сталь, содержащая, мас.%: С 0,10-0,20, Si 0,05-1,0, Mn 0,05-1,5, Cr 1,0-2,0, Мо 0,05-2,0, Al 0,10 или менее и Ti 0,002-0,05, и с полученным по следующей формуле (1) значением Св 0,65 или более, а остальное составляют Fe и примеси, причем среди этих примесей Р составляет 0,025% или менее, S - 0,010% или менее, N - 0,007% или менее и В - менее 0,0003%, и число на единицу площади выделений типа МС(М - элемент-металл), у которых размер зерна 1 мкм или более, составляет 0,1/ммили менее. Изобретение обеспечивает низколегированную сталь, обладающую прокаливаемостью и ударной вязкостью, а также улучшает сопротивление сульфидному коррозионному растрескиванию под напряжением. С=С+(Mn/6)+(Cr+Mo+V)/5 формула (1), где С, Mn, Cr, Мо и V в формуле (1) обозначают содержания в мас.% соответствующих элементов.
EA200870436A 2007-03-30 2008-03-28 Низколегированная сталь, бесшовные стальные трубы нефтепромыслового сортамента и способ изготовления бесшовной стальной трубы EA012256B1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007092144 2007-03-30
PCT/JP2008/056113 WO2008123422A1 (ja) 2007-03-30 2008-03-28 低合金鋼、油井用継目無鋼管および継目無鋼管の製造方法

Publications (2)

Publication Number Publication Date
EA200870436A1 true EA200870436A1 (ru) 2009-02-27
EA012256B1 EA012256B1 (ru) 2009-08-28

Family

ID=39830907

Family Applications (1)

Application Number Title Priority Date Filing Date
EA200870436A EA012256B1 (ru) 2007-03-30 2008-03-28 Низколегированная сталь, бесшовные стальные трубы нефтепромыслового сортамента и способ изготовления бесшовной стальной трубы

Country Status (13)

Country Link
US (1) US20090047166A1 (ru)
EP (1) EP2133442B1 (ru)
JP (1) JP4305681B2 (ru)
CN (1) CN101542002B (ru)
AT (1) ATE543922T1 (ru)
AU (1) AU2008221597B8 (ru)
BR (1) BRPI0802627B1 (ru)
CA (1) CA2650208A1 (ru)
EA (1) EA012256B1 (ru)
MX (1) MX2008016193A (ru)
MY (1) MY145393A (ru)
UA (1) UA90947C2 (ru)
WO (1) WO2008123422A1 (ru)

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CN113278890A (zh) 2013-06-25 2021-08-20 特纳瑞斯连接有限公司 高铬耐热钢
CN103469081A (zh) * 2013-09-10 2013-12-25 内蒙古包钢钢联股份有限公司 一种含稀土bt90h钢级稠油热采井用套管及轧制方法
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Also Published As

Publication number Publication date
CN101542002A (zh) 2009-09-23
EA012256B1 (ru) 2009-08-28
AU2008221597A1 (en) 2008-10-16
AU2008221597B8 (en) 2010-04-22
CN101542002B (zh) 2016-03-30
US20090047166A1 (en) 2009-02-19
BRPI0802627B1 (pt) 2017-07-18
MY145393A (en) 2012-01-31
BRPI0802627A2 (pt) 2011-08-30
EP2133442B1 (en) 2012-02-01
WO2008123422A1 (ja) 2008-10-16
ATE543922T1 (de) 2012-02-15
UA90947C2 (ru) 2010-06-10
MX2008016193A (es) 2009-04-15
EP2133442A4 (en) 2010-04-28
JPWO2008123422A1 (ja) 2010-07-15
AU2008221597B2 (en) 2010-04-01
JP4305681B2 (ja) 2009-07-29
CA2650208A1 (en) 2008-10-16
EP2133442A1 (en) 2009-12-16

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