BR112014029392A2 - high strength seamless stainless steel pipe for oil field tubular materials and method for production thereof - Google Patents

high strength seamless stainless steel pipe for oil field tubular materials and method for production thereof

Info

Publication number
BR112014029392A2
BR112014029392A2 BR112014029392A BR112014029392A BR112014029392A2 BR 112014029392 A2 BR112014029392 A2 BR 112014029392A2 BR 112014029392 A BR112014029392 A BR 112014029392A BR 112014029392 A BR112014029392 A BR 112014029392A BR 112014029392 A2 BR112014029392 A2 BR 112014029392A2
Authority
BR
Brazil
Prior art keywords
less
high strength
stainless steel
steel pipe
oil field
Prior art date
Application number
BR112014029392A
Other languages
Portuguese (pt)
Other versions
BR112014029392B1 (en
Inventor
Ishikawa Kazutoshi
Nakahashi Tetsu
Ishiguro Yasuhide
Miyata Yukio
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 BR112014029392A2 publication Critical patent/BR112014029392A2/en
Publication of BR112014029392B1 publication Critical patent/BR112014029392B1/en

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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
    • C22C38/40—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
    • 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
    • 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
    • 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
    • C21D9/085—Cooling or quenching
    • 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
    • C22C38/48—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
    • 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
    • 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
    • C21D2211/008—Martensite

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)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

resumo patente de invenção: "tubo de aço inoxidável sem costura de alta resistência para materiais tubulares de campos petrolíferos e método para produção do mesmo". a presente invenção refere-se a um tubo de aço inoxidável de alta resistência para materais tubulares de campos petrolíferos que têm uma espessura de parede de mais de 25,4 milímetros e uma alta resistência de um 758 mpa (ksi 110), tensão de escoamento de grau ou mais com excelente dureza e excelente resistência à corrosão. um material de aço tendo uma composição química contendo, em % em massa, c: 0,005% ou mais e 0,06% ou menos, si: 0,05% ou mais e 0,5% ou menos, mn: 0,2% ou mais e 1,8% ou menos, cr: 15,5% ou mais e 18,0% ou menos, ni: 1,5% ou mais e 5,0% ou menos, v: 0,02% ou mais e 0,2% ou menos, al: 0,002% ou mais e 0,05% ou menos, n: 0,01% ou mais e 0,15% ou menos, o: 0,006% ou menos, e contendo ainda um ou mais de mo: 1,0% ou mais e 3,5% ou menos, w: 3,0% ou menos e cu: 3,5% ou menos, no qual as expressões de relações cr+0,65ni+0,60mo+0,30w+0,55cu-20c³19,5 e cr+mo+0,50w+0,30si-43,5c-0,4mn-ni-0,3cu-9n³11,5 são atendidas, é feito em um tubo de aço sem costura através de aquecimento e laminação a quente. 22990057v1 1/1 22990057v1patent summary: "High strength seamless stainless steel pipe for tubular oilfield materials and method for producing it". The present invention relates to a high strength stainless steel pipe for oil field tubular materials having a wall thickness of over 25.4 mm and a high strength of a 758 mpa (ksi 110), yield stress. of grade or more with excellent hardness and excellent corrosion resistance. a steel material having a chemical composition containing by weight% c: 0,005% or more and 0,06% or less itself: 0,05% or more and 0,5% or less, mn: 0,2 % or more and 1,8% or less, cr: 15,5% or more and 18,0% or less, ni: 1,5% or more and 5,0% or less, v: 0,02% or plus and 0.2% or less, al: 0.002% or more and 0.05% or less, n: 0.01% or more and 0.15% or less, o: 0.006% or less, and further containing a or more than mo: 1,0% or more and 3,5% or less, w: 3,0% or less and cu: 3,5% or less, where the expressions of relations cr + 0,65ni + 0 , 60mo + 0.30w + 0.55cu-20c³19.5 and cr + mo + 0.50w + 0.30si-43.5c-0.4mn-ni-0.3cu-9n³11.5 are met, is done in a seamless steel tube by heating and hot rolling. 22990057v1 1/1 22990057v1

BR112014029392-9A 2012-05-31 2013-05-30 HIGH-RESISTANT STAINLESS STEEL PIPE FOR TUBULAR FIELD MATERIALS AND METHOD FOR PRODUCTION BR112014029392B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2012-125126 2012-05-31
JP2012125126A JP5488643B2 (en) 2012-05-31 2012-05-31 High strength stainless steel seamless pipe for oil country tubular goods and method for producing the same
PCT/JP2013/003411 WO2013179667A1 (en) 2012-05-31 2013-05-30 High-strength stainless steel seamless pipe for use as oil well piping, and manufacturing method therefor

Publications (2)

Publication Number Publication Date
BR112014029392A2 true BR112014029392A2 (en) 2017-06-27
BR112014029392B1 BR112014029392B1 (en) 2019-09-24

Family

ID=49672883

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112014029392-9A BR112014029392B1 (en) 2012-05-31 2013-05-30 HIGH-RESISTANT STAINLESS STEEL PIPE FOR TUBULAR FIELD MATERIALS AND METHOD FOR PRODUCTION

Country Status (11)

Country Link
US (1) US20150101711A1 (en)
EP (1) EP2857530B1 (en)
JP (1) JP5488643B2 (en)
CN (1) CN104379774B (en)
AU (1) AU2013268908B2 (en)
BR (1) BR112014029392B1 (en)
CA (1) CA2872342C (en)
ES (1) ES2708275T3 (en)
IN (1) IN2014KN02395A (en)
RU (1) RU2584100C1 (en)
WO (1) WO2013179667A1 (en)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5967066B2 (en) 2012-12-21 2016-08-10 Ｊｆｅスチール株式会社 High strength stainless steel seamless steel pipe for oil well with excellent corrosion resistance and method for producing the same
KR101554787B1 (en) 2013-12-24 2015-09-21 주식회사 포스코 Super duplex stainless steel having an excellent corrosion resistance and hot workability
CN103966525B (en) * 2014-05-21 2016-05-11 攀钢集团江油长城特殊钢有限公司 A kind of chromium high molybdenum high ferritic stainless steel seamless tubular goods and manufacture method thereof
CN105463562A (en) * 2014-09-05 2016-04-06 上海金保莱不锈钢有限公司 Manufacturing method for seamless stainless steel pipe resistant to corrosion of anions
JP6315076B2 (en) * 2014-11-18 2018-04-25 Ｊｆｅスチール株式会社 Manufacturing method of high strength stainless steel seamless steel pipe for oil well
WO2016079920A1 (en) * 2014-11-19 2016-05-26 Ｊｆｅスチール株式会社 High-strength stainless steel seamless pipe for oil wells
WO2016084298A1 (en) 2014-11-27 2016-06-02 Ｊｆｅスチール株式会社 Device array for manufacturing seamless steel pipe or tube and manufacturing method for duplex stainless steel seamless pipe or tube using same
WO2016113794A1 (en) * 2015-01-15 2016-07-21 Ｊｆｅスチール株式会社 Seamless stainless steel pipe for oil well, and method for manufacturing same
JP6202010B2 (en) * 2015-01-16 2017-09-27 Ｊｆｅスチール株式会社 Manufacturing method of high-strength duplex stainless steel seamless steel pipe
JP6206423B2 (en) * 2015-01-22 2017-10-04 Ｊｆｅスチール株式会社 High strength stainless steel plate excellent in low temperature toughness and method for producing the same
JP6292142B2 (en) * 2015-02-06 2018-03-14 Ｊｆｅスチール株式会社 Manufacturing method of high strength stainless steel seamless steel pipe for oil well
ES2927150T3 (en) * 2015-02-20 2022-11-02 Jfe Steel Corp High-strength seamless thick-walled steel pipe and process for producing the same
JP6341125B2 (en) * 2015-03-17 2018-06-13 Ｊｆｅスチール株式会社 Method for producing duplex stainless steel pipe
JP6341181B2 (en) * 2015-03-25 2018-06-13 Ｊｆｅスチール株式会社 Method for producing duplex stainless steel seamless pipe
JP6226081B2 (en) * 2015-07-10 2017-11-08 Ｊｆｅスチール株式会社 High strength stainless steel seamless pipe and method for manufacturing the same
JP6432683B2 (en) * 2015-08-04 2018-12-05 新日鐵住金株式会社 Stainless steel and stainless steel for oil wells
JP6686320B2 (en) * 2015-08-05 2020-04-22 日本製鉄株式会社 Manufacturing method of stainless steel pipe
JP6515340B2 (en) * 2015-08-18 2019-05-22 日本製鉄株式会社 Oil well tube
JP6409827B2 (en) * 2015-08-18 2018-10-24 Ｊｆｅスチール株式会社 Manufacturing method of seamless stainless steel pipe for oil well
JP6604093B2 (en) * 2015-09-01 2019-11-13 日本製鉄株式会社 Oil well pipe
JP6156609B1 (en) * 2016-02-08 2017-07-05 Ｊｆｅスチール株式会社 High strength stainless steel seamless steel pipe for oil well and method for producing the same
US11085095B2 (en) 2016-02-08 2021-08-10 Jfe Steel Corporation High-strength seamless stainless steel pipe for oil country tubular goods and method of manufacturing high-strength seamless stainless steel pipe
EP3456852B1 (en) * 2016-07-27 2022-03-23 JFE Steel Corporation High-strength seamless stainless steel pipe for oil country tubular goods and method for producing the same
CN106399865A (en) * 2016-11-17 2017-02-15 无锡明盛纺织机械有限公司 High-temperature-resistant and abrasion-resistant material for circulating fluidized bed boiler
US11306369B2 (en) * 2017-02-24 2022-04-19 Jfe Steel Corporation High-strength stainless steel seamless pipe for oil country tubular goods, and method for producing same
JP6787483B2 (en) * 2017-03-28 2020-11-18 日本製鉄株式会社 Martensitic stainless steel
CN107433428A (en) * 2017-08-22 2017-12-05 苏州双金实业有限公司 A kind of processing method of stainless-steel pipe easy to operate
EP3822381A4 (en) * 2018-07-09 2022-01-26 Nippon Steel Corporation Seamless steel pipe and manufacturing method thereof
CN116121664A (en) * 2022-12-13 2023-05-16 钢铁研究总院有限公司 High-corrosion-resistance high-toughness economic profile steel and preparation method thereof
CN116145051A (en) * 2022-12-13 2023-05-23 钢铁研究总院有限公司 High-corrosion-resistance economic oil well pipe steel and preparation method thereof
CN116732297B (en) * 2023-08-16 2023-10-20 中北大学 Niobium-containing high-strength dual-phase steel and preparation method and application thereof

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52152814A (en) * 1976-06-14 1977-12-19 Nippon Steel Corp Thermo-mechanical treatment of seamless steel pipe
JP5109222B2 (en) 2003-08-19 2012-12-26 Ｊｆｅスチール株式会社 High strength stainless steel seamless steel pipe for oil well with excellent corrosion resistance and method for producing the same
JP4462005B2 (en) * 2003-10-31 2010-05-12 Ｊｆｅスチール株式会社 High strength stainless steel pipe for line pipe with excellent corrosion resistance and method for producing the same
CN100497705C (en) * 2003-10-31 2009-06-10 杰富意钢铁株式会社 High strength stainless steel pipe for line pipe excellent in corrosion resistance and method for production thereof
WO2005042793A1 (en) * 2003-10-31 2005-05-12 Jfe Steel Corporation High strength stainless steel pipe for line pipe excellent in corrosion resistance and method for production thereof
JP4792778B2 (en) * 2005-03-29 2011-10-12 住友金属工業株式会社 Manufacturing method of thick-walled seamless steel pipe for line pipe
CN1840731A (en) * 2005-03-31 2006-10-04 住友金属工业株式会社 Method for manufacturing seamless steel pipe for mechanical parts
JP4635764B2 (en) * 2005-07-25 2011-02-23 住友金属工業株式会社 Seamless steel pipe manufacturing method
JP4893196B2 (en) * 2006-09-28 2012-03-07 Ｊｆｅスチール株式会社 High strength stainless steel pipe for oil well with high toughness and excellent corrosion resistance
JP4577457B2 (en) 2008-03-28 2010-11-10 住友金属工業株式会社 Stainless steel used for oil well pipes
AR073884A1 (en) * 2008-10-30 2010-12-09 Sumitomo Metal Ind STAINLESS STEEL TUBE OF HIGH RESISTANCE EXCELLENT IN RESISTANCE TO FISURATION UNDER VOLTAGE SULFURS AND CORROSION OF GAS OF CARBONIC ACID IN HIGH TEMPERATURE.
EP2389181A1 (en) * 2009-01-26 2011-11-30 NeuroSearch A/S Novel indolyl-oxadiazolyl-diazabicyclononane derivatives and their medical and diagnostical use
AR076669A1 (en) * 2009-05-18 2011-06-29 Sumitomo Metal Ind STAINLESS STEEL FOR PETROLEUM WELLS, STAINLESS STEEL TUBE FOR PETROLEUM WELLS, AND STAINLESS STEEL MANUFACTURING METHOD FOR PETROLEUM WELLS
JP4748283B2 (en) * 2009-08-21 2011-08-17 住友金属工業株式会社 Manufacturing method of thick-walled seamless steel pipe
CN102869803B (en) * 2010-04-28 2016-04-27 新日铁住金株式会社 Oil well high-strength stainless steel and oil well high strength stainless steel pipe

Also Published As

Publication number Publication date
BR112014029392B1 (en) 2019-09-24
ES2708275T3 (en) 2019-04-09
JP5488643B2 (en) 2014-05-14
CN104379774B (en) 2017-04-26
RU2584100C1 (en) 2016-05-20
JP2013249516A (en) 2013-12-12
WO2013179667A1 (en) 2013-12-05
AU2013268908B2 (en) 2016-01-28
CN104379774A (en) 2015-02-25
US20150101711A1 (en) 2015-04-16
IN2014KN02395A (en) 2015-05-01
CA2872342C (en) 2018-07-17
EP2857530A1 (en) 2015-04-08
CA2872342A1 (en) 2013-12-05
EP2857530B1 (en) 2018-12-12
EP2857530A4 (en) 2015-11-04
AU2013268908A1 (en) 2014-11-20

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