BR112018012400A2 - tubo de aço inoxidável sem costura de alta resistência para poços de petróleo e método de fabricação do mesmo - Google Patents

tubo de aço inoxidável sem costura de alta resistência para poços de petróleo e método de fabricação do mesmo

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Publication number
BR112018012400A2
BR112018012400A2 BR112018012400-1A BR112018012400A BR112018012400A2 BR 112018012400 A2 BR112018012400 A2 BR 112018012400A2 BR 112018012400 A BR112018012400 A BR 112018012400A BR 112018012400 A2 BR112018012400 A2 BR 112018012400A2
Authority
BR
Brazil
Prior art keywords
less
oil wells
manufacturing
same
high intensity
Prior art date
Application number
BR112018012400-1A
Other languages
English (en)
Japanese (ja)
Other versions
BR112018012400B1 (pt
Inventor
Yuga Masao
Okatsu Mitsuhiro
Ota Hiroki
Original Assignee
Jfe Steel Corporation
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 Corporation filed Critical Jfe Steel Corporation
Publication of BR112018012400A2 publication Critical patent/BR112018012400A2/pt
Publication of BR112018012400B1 publication Critical patent/BR112018012400B1/pt

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Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/10Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
    • C21D8/105Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies of ferrous alloys
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18Hardening; Quenching with or without subsequent tempering
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/08Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
    • C21D9/085Cooling or quenching
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/001Ferrous alloys, e.g. steel alloys containing N
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/002Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/06Ferrous alloys, e.g. steel alloys containing aluminium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/20Ferrous alloys, e.g. steel alloys containing chromium with copper
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/24Ferrous alloys, e.g. steel alloys containing chromium with vanadium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/26Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/28Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/32Ferrous alloys, e.g. steel alloys containing chromium with boron
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/54Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/004Dispersions; Precipitations
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/008Martensite

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  • 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

é fornecido um tubo de aço inoxidável sem costura de alta resistência para poços de petróleo que tem excelente resistência a trincamento por corrosão sob tensão de sulfeto. o tubo compreende, em % em massa, c: 0,20 a 0,50%, si: 0,05 a 0,40%, mn: 0,1 a 1,5%, p: 0,015% ou menos, s: 0,005% ou menos, al: 0,005 a 0,1%, n: 0,006% ou menos, cr: 0,1 a 2,5%, mo: 0,1 a 1,0%, v: 0,03 a 0,3%, nb: 0,001 a 0,030%, b: 0,0003 a 0,0030%, o: 0,0030% ou menos e ti: 0,003 a 0,025%, ti/n: é 2,0 a 5,5. pelo menos 95% em fração de volume é martensita revenida. as partículas de austenita anteriores têm pelo menos 8,5 de número de tamanho de grão. nos cortes transversais ortogonais à direção de laminação: a cada 100 mm2, não há mais do que 100 inclusões de nitreto com diâmetro de partícula de pelo menos 4 µm e não mais que 700 de menos que 4 µm; e, a cada 100 mm2, não há mais do que 60 inclusões de óxido com diâmetro de partícula de pelo menos 4 µm e não mais que 500 de menos que 4 µm.
BR112018012400-1A 2015-12-22 2016-10-18 Tubo de aço inoxidável sem costura de alta resistência para poços de petróleo e método de fabricação do mesmo BR112018012400B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2015-249956 2015-12-22
JP2015249956 2015-12-22
JP2016129714 2016-06-30
JP2016-129714 2016-06-30
PCT/JP2016/004609 WO2017110027A1 (ja) 2015-12-22 2016-10-18 油井用高強度継目無鋼管およびその製造方法

Publications (2)

Publication Number Publication Date
BR112018012400A2 true BR112018012400A2 (pt) 2018-12-04
BR112018012400B1 BR112018012400B1 (pt) 2020-02-18

Family

ID=59089869

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018012400-1A BR112018012400B1 (pt) 2015-12-22 2016-10-18 Tubo de aço inoxidável sem costura de alta resistência para poços de petróleo e método de fabricação do mesmo

Country Status (5)

Country Link
US (1) US11186885B2 (pt)
EP (1) EP3395991B1 (pt)
BR (1) BR112018012400B1 (pt)
MX (1) MX2018007692A (pt)
WO (1) WO2017110027A1 (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3192889B1 (en) * 2014-09-08 2019-04-24 JFE Steel Corporation High strength seamless steel pipe for use in oil wells and manufacturing method thereof
JP5971435B1 (ja) 2014-09-08 2016-08-17 Jfeスチール株式会社 油井用高強度継目無鋼管およびその製造方法
WO2016079908A1 (ja) 2014-11-18 2016-05-26 Jfeスチール株式会社 油井用高強度継目無鋼管およびその製造方法
JP5943164B1 (ja) 2014-12-24 2016-06-29 Jfeスチール株式会社 油井用高強度継目無鋼管およびその製造方法
US10876182B2 (en) 2014-12-24 2020-12-29 Jfe Steel Corporation High-strength seamless steel pipe for oil country tubular goods and method of producing the same
US11186885B2 (en) 2015-12-22 2021-11-30 Jfe Steel Corporation High-strength seamless steel pipe for oil country tubular goods, and production method for high-strength seamless steel pipe for oil country tubular goods
JP6569152B2 (ja) * 2017-07-05 2019-09-04 日本製鉄株式会社 棒状試験片の表面研磨方法
JP6950518B2 (ja) * 2017-12-25 2021-10-13 日本製鉄株式会社 鋼材、油井用鋼管、及び、鋼材の製造方法
ES2922300T3 (es) * 2018-02-23 2022-09-13 Vallourec Deutschland Gmbh Aceros de alta resistencia y alta tenacidad
MX2020010108A (es) * 2018-04-09 2020-11-06 Nippon Steel Corp Tubo de acero y metodo para producir un tubo de acero.
AR118071A1 (es) * 2019-02-15 2021-09-15 Nippon Steel Corp Material de acero adecuado para uso en ambiente agrio
WO2021131461A1 (ja) * 2019-12-26 2021-07-01 Jfeスチール株式会社 高強度継目無鋼管およびその製造方法
WO2024071352A1 (ja) * 2022-09-29 2024-04-04 Jfeスチール株式会社 耐水素脆化特性に優れたラインパイプ用鋼管、その製造方法、ラインパイプ用鋼材およびその製造方法

Family Cites Families (24)

* 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
FR2358222A1 (fr) * 1976-07-13 1978-02-10 Siderurgie Fse Inst Rech Nouveaux procede et dispositif pour le brassage electromagnetique de produits metalliques coules en continu
JP3562353B2 (ja) 1998-12-09 2004-09-08 住友金属工業株式会社 耐硫化物応力腐食割れ性に優れる油井用鋼およびその製造方法
JP4058840B2 (ja) 1999-04-09 2008-03-12 住友金属工業株式会社 靭性と耐硫化物応力腐食割れ性に優れる油井用鋼およびその製造方法
JP4367588B2 (ja) * 1999-10-28 2009-11-18 住友金属工業株式会社 耐硫化物応力割れ性に優れた鋼管
JP3543708B2 (ja) * 1999-12-15 2004-07-21 住友金属工業株式会社 耐硫化物応力腐食割れ性に優れた油井用鋼材およびそれを用いた油井用鋼管の製造方法
JP3969328B2 (ja) 2003-03-26 2007-09-05 住友金属工業株式会社 非調質継目無鋼管
JP4135691B2 (ja) * 2004-07-20 2008-08-20 住友金属工業株式会社 窒化物系介在物形態制御鋼
JP4725216B2 (ja) 2005-07-08 2011-07-13 住友金属工業株式会社 耐硫化物応力割れ性に優れた低合金油井管用鋼
JP4502010B2 (ja) 2005-08-22 2010-07-14 住友金属工業株式会社 ラインパイプ用継目無鋼管およびその製造方法
FR2942808B1 (fr) 2009-03-03 2011-02-18 Vallourec Mannesmann Oil & Gas Acier faiblement allie a limite d'elasticite elevee et haute resistance a la fissuration sous contrainte par les sulfures.
JP5728836B2 (ja) 2009-06-24 2015-06-03 Jfeスチール株式会社 耐硫化物応力割れ性に優れた油井用高強度継目無鋼管の製造方法
MY156205A (en) 2010-06-08 2016-01-29 Nippon Steel & Sumitomo Metal Corp Steel for steel tube with excellent sulfide stress cracking resistance
JP5779984B2 (ja) 2010-06-21 2015-09-16 Jfeスチール株式会社 耐硫化物応力割れ性に優れた油井用鋼管及びその製造方法
CN102409240B (zh) 2010-09-21 2013-06-19 宝山钢铁股份有限公司 抗硫化氢腐蚀石油钻杆用钢及其制造方法
JP2013129879A (ja) 2011-12-22 2013-07-04 Jfe Steel Corp 耐硫化物応力割れ性に優れた油井用高強度継目無鋼管およびその製造方法
CA2849287C (en) * 2012-03-07 2016-11-29 Nippon Steel & Sumitomo Metal Corporation Method for producing high-strength steel material excellent in sulfide stress cracking resistance
JP5522194B2 (ja) 2012-04-25 2014-06-18 Jfeスチール株式会社 耐ssc性に優れた高強度鋼材
JP6107437B2 (ja) 2012-06-08 2017-04-05 Jfeスチール株式会社 耐硫化物応力腐食割れ性に優れた油井用低合金高強度継目無鋼管の製造方法
JP5971435B1 (ja) 2014-09-08 2016-08-17 Jfeスチール株式会社 油井用高強度継目無鋼管およびその製造方法
WO2016079908A1 (ja) 2014-11-18 2016-05-26 Jfeスチール株式会社 油井用高強度継目無鋼管およびその製造方法
US10876182B2 (en) 2014-12-24 2020-12-29 Jfe Steel Corporation High-strength seamless steel pipe for oil country tubular goods and method of producing the same
JP5943164B1 (ja) 2014-12-24 2016-06-29 Jfeスチール株式会社 油井用高強度継目無鋼管およびその製造方法
US11186885B2 (en) 2015-12-22 2021-11-30 Jfe Steel Corporation High-strength seamless steel pipe for oil country tubular goods, and production method for high-strength seamless steel pipe for oil country tubular goods

Also Published As

Publication number Publication date
EP3395991A1 (en) 2018-10-31
US20190024201A1 (en) 2019-01-24
MX2018007692A (es) 2018-08-01
EP3395991A4 (en) 2018-10-31
BR112018012400B1 (pt) 2020-02-18
WO2017110027A1 (ja) 2017-06-29
US11186885B2 (en) 2021-11-30
EP3395991B1 (en) 2023-04-12

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B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 18/10/2016, OBSERVADAS AS CONDICOES LEGAIS.