EA200700145A1 - Сталь для стальных труб - Google Patents

Сталь для стальных труб

Info

Publication number
EA200700145A1
EA200700145A1 EA200700145A EA200700145A EA200700145A1 EA 200700145 A1 EA200700145 A1 EA 200700145A1 EA 200700145 A EA200700145 A EA 200700145A EA 200700145 A EA200700145 A EA 200700145A EA 200700145 A1 EA200700145 A1 EA 200700145A1
Authority
EA
Eurasian Patent Office
Prior art keywords
steel
less
pipes
wells
drill
Prior art date
Application number
EA200700145A
Other languages
English (en)
Other versions
EA008934B1 (ru
Inventor
Мицухиро Нумата
Томохико ОМУРА
Йосихико Хигути
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 EA200700145A1 publication Critical patent/EA200700145A1/ru
Publication of EA008934B1 publication Critical patent/EA008934B1/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
    • C22C38/18—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
    • C22C38/02—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Articles (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Earth Drilling (AREA)
  • Rod-Shaped Construction Members (AREA)

Abstract

Сталь для стальных труб, содержащая, в мас.% С: от 0,2 до 0,7%, Si: от 0,01 до 0,8%, Mn: от 0,1 до 1,5%, S: 0,005 или менее, Р: 0,03% или менее, Al: от 0,0005 до 0,1%, Ti: от 0,005 до 0,05%, Са: от 0,0004 до 0,005%, N: 0,007 или менее, Cr: от 0,1 до 1,5%, Мо: от 0,2 до 1,0%, Nb: от 0 до 0,1%, Zr: от 0 до 0,1%, V: от 0 до 0,5% и В: от 0 до 0,005%, при этом балансом являются Fe и загрязняющие примеси, в которой присутствуют неметаллические включения, содержащие Са, Al, Ti, N, О и S, при этом в упомянутых включениях (Ca%)/(Al%) составляет от 0,55 до 1,72, a (Ca%)/(Ti%) составляет от 0,7 до 19, может быть использована для получения нефтегазопромысловых трубных изделий, используемых на большей глубине и в суровой коррозионной среде, таких как обсадные трубы и трубопроводы для нефтяных скважин и/или скважин для природного газа, буровые трубы и утяжеленные буровые трубы.
EA200700145A 2004-07-20 2005-07-19 Сталь для изготовления труб EA008934B1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004211461A JP4135691B2 (ja) 2004-07-20 2004-07-20 窒化物系介在物形態制御鋼
PCT/JP2005/013249 WO2006009142A1 (ja) 2004-07-20 2005-07-19 鋼管用鋼

Publications (2)

Publication Number Publication Date
EA200700145A1 true EA200700145A1 (ru) 2007-04-27
EA008934B1 EA008934B1 (ru) 2007-10-26

Family

ID=35655873

Family Applications (1)

Application Number Title Priority Date Filing Date
EA200700145A EA008934B1 (ru) 2004-07-20 2005-07-19 Сталь для изготовления труб

Country Status (15)

Country Link
US (1) US7264684B2 (ru)
EP (1) EP1790748B1 (ru)
JP (1) JP4135691B2 (ru)
CN (1) CN100476003C (ru)
AR (1) AR050079A1 (ru)
AT (1) ATE504668T1 (ru)
AU (1) AU2005264481B2 (ru)
BR (1) BRPI0513430B1 (ru)
CA (1) CA2574025C (ru)
DE (1) DE602005027363D1 (ru)
EA (1) EA008934B1 (ru)
MX (1) MX2007000628A (ru)
NO (1) NO337650B1 (ru)
UA (1) UA82022C2 (ru)
WO (1) WO2006009142A1 (ru)

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US9187811B2 (en) 2013-03-11 2015-11-17 Tenaris Connections Limited Low-carbon chromium steel having reduced vanadium and high corrosion resistance, and methods of manufacturing
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Also Published As

Publication number Publication date
NO20070613L (no) 2007-02-01
EP1790748A1 (en) 2007-05-30
CA2574025C (en) 2013-04-23
BRPI0513430A (pt) 2008-05-06
EP1790748A4 (en) 2008-09-03
AU2005264481B2 (en) 2008-09-25
JP2006028612A (ja) 2006-02-02
CN100476003C (zh) 2009-04-08
AU2005264481A1 (en) 2006-01-26
CA2574025A1 (en) 2006-01-26
MX2007000628A (es) 2007-03-07
DE602005027363D1 (de) 2011-05-19
NO337650B1 (no) 2016-05-23
AR050079A1 (es) 2006-09-27
JP4135691B2 (ja) 2008-08-20
EP1790748B1 (en) 2011-04-06
US20060016520A1 (en) 2006-01-26
US7264684B2 (en) 2007-09-04
BRPI0513430B1 (pt) 2014-11-04
EA008934B1 (ru) 2007-10-26
ATE504668T1 (de) 2011-04-15
UA82022C2 (ru) 2008-02-25
WO2006009142A1 (ja) 2006-01-26
CN1989263A (zh) 2007-06-27

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