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RU2007125642A - MARTENSITY STAINLESS STEEL PIPE FOR OIL WELLS - Google Patents

MARTENSITY STAINLESS STEEL PIPE FOR OIL WELLS Download PDF

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Publication number
RU2007125642A
RU2007125642A RU2007125642/02A RU2007125642A RU2007125642A RU 2007125642 A RU2007125642 A RU 2007125642A RU 2007125642/02 A RU2007125642/02 A RU 2007125642/02A RU 2007125642 A RU2007125642 A RU 2007125642A RU 2007125642 A RU2007125642 A RU 2007125642A
Authority
RU
Russia
Prior art keywords
maximum
stainless steel
martensity
steel pipe
oil wells
Prior art date
Application number
RU2007125642/02A
Other languages
Russian (ru)
Other versions
RU2363877C2 (en
Inventor
Хисаси АМАЯ (JP)
Хисаси Амая
Кунио КОНДО (JP)
Кунио Кондо
Масакацу УЕДА (JP)
Масакацу Уеда
Original Assignee
Сумитомо Метал Индастриз, Лтд. (Jp)
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. (Jp), Сумитомо Метал Индастриз, Лтд. filed Critical Сумитомо Метал Индастриз, Лтд. (Jp)
Priority to RU2007125642/02A priority Critical patent/RU2363877C2/en
Publication of RU2007125642A publication Critical patent/RU2007125642A/en
Application granted granted Critical
Publication of RU2363877C2 publication Critical patent/RU2363877C2/en

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  • Heat Treatment Of Articles (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Claims (3)

1. Нефтегазовая труба из мартенситной нержавеющей стали, содержащей, мас.%: углерод от 0,005 до 0,1, кремний от 0,05 до 1, марганец от 1,5 до 5, фосфор максимум 0,05, серу максимум 0,01, хром от 9 до 13, никель максимум 0,5, молибден максимум 2, медь максимум 2, алюминий от 0,001 до 0,1 и азот от 0,001 до 0,1, при этом баланс составляют железо и неизбежные примеси, при этом упомянутая труба имеет обедненный хромом участок под поверхностью.1. Oil and gas pipe made of martensitic stainless steel, containing, wt.%: Carbon from 0.005 to 0.1, silicon from 0.05 to 1, manganese from 1.5 to 5, phosphorus maximum 0.05, sulfur maximum 0.01 , chromium from 9 to 13, nickel up to a maximum of 0.5, molybdenum up to a maximum of 2, copper up to a maximum of 2, aluminum from 0.001 to 0.1 and nitrogen from 0.001 to 0.1, the balance being iron and unavoidable impurities, the pipe being mentioned has a chrome depleted area below the surface. 2. Труба по п.1, дополнительно содержащая по меньшей мере один из следующих элементов: титан от 0,005 до 0,5, ванадий от 0,005 до 0,5, ниобий от 0,005 до 0,5 и цирконий от 0,005 до 0,5.2. The pipe according to claim 1, additionally containing at least one of the following elements: titanium from 0.005 to 0.5, vanadium from 0.005 to 0.5, niobium from 0.005 to 0.5, and zirconium from 0.005 to 0.5. 3. Труба по п.1 или 2, дополнительно содержащая по меньшей мере один из следующих элементов: бор от 0,0002 до 0,005, кальций от 0,0003 до 0,005, магний от 0,0003 до 0,005 и РЗМ от 0,0003 до 0,005. 3. The pipe according to claim 1 or 2, additionally containing at least one of the following elements: boron from 0.0002 to 0.005, calcium from 0.0003 to 0.005, magnesium from 0.0003 to 0.005 and rare-earth metals from 0.0003 to 0.005.
RU2007125642/02A 2004-12-07 2004-12-07 Pipe made of martensite stainless steel for oil wells RU2363877C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2007125642/02A RU2363877C2 (en) 2004-12-07 2004-12-07 Pipe made of martensite stainless steel for oil wells

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2007125642/02A RU2363877C2 (en) 2004-12-07 2004-12-07 Pipe made of martensite stainless steel for oil wells

Publications (2)

Publication Number Publication Date
RU2007125642A true RU2007125642A (en) 2009-01-20
RU2363877C2 RU2363877C2 (en) 2009-08-10

Family

ID=40375433

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2007125642/02A RU2363877C2 (en) 2004-12-07 2004-12-07 Pipe made of martensite stainless steel for oil wells

Country Status (1)

Country Link
RU (1) RU2363877C2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2599465C2 (en) * 2015-03-11 2016-10-10 Публичное акционерное общество "Синарский трубный завод" (ПАО "СинТЗ") Method of chrome-molybdenum steel articles heat treatment
RU2599474C1 (en) * 2015-05-08 2016-10-10 Публичное акционерное общество "Синарский трубный завод" (ПАО "СинТЗ") High corrosion resistance pipe

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3533055B2 (en) * 1996-03-27 2004-05-31 Ｊｆｅスチール株式会社 Martensitic steel for line pipes with excellent corrosion resistance and weldability
JP2000080416A (en) * 1998-08-31 2000-03-21 Kawasaki Steel Corp Method for producing high Cr martensitic welded steel pipe for line pipe with excellent weldability and corrosion resistance
RU2188874C1 (en) * 2001-03-01 2002-09-10 Федеральное государственное унитарное предприятие Центральный научно-исследовательский институт конструкционных материалов "Прометей" High-strength corrosion-resistant welded steel for pipelines
JP4144283B2 (en) * 2001-10-18 2008-09-03 住友金属工業株式会社 Martensitic stainless steel
JP2003129190A (en) * 2001-10-19 2003-05-08 Sumitomo Metal Ind Ltd Martensitic stainless steel and method for producing the same
JP3750596B2 (en) * 2001-12-12 2006-03-01 住友金属工業株式会社 Martensitic stainless steel
JP3765277B2 (en) * 2002-03-07 2006-04-12 住友金属工業株式会社 Method for producing martensitic stainless steel piece and steel pipe
RU2225793C2 (en) * 2002-04-29 2004-03-20 Открытое акционерное общество "Северсталь" Clad corrosion resistant steel and an item made out of it

Also Published As

Publication number Publication date
RU2363877C2 (en) 2009-08-10

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Legal Events

Date Code Title Description
PC43 Official registration of the transfer of the exclusive right without contract for inventions

Effective date: 20140623

PD4A Correction of name of patent owner
MM4A The patent is invalid due to non-payment of fees

Effective date: 20201208