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 mesmoInfo
- 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
Links
Classifications
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- 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
- C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium 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
- C22C38/22—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
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium 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
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
-
- 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
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
-
- 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
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/004—Dispersions; Precipitations
-
- 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
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.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015-249956 | 2015-12-22 | ||
JP2015249956 | 2015-12-22 | ||
JP2016-129714 | 2016-06-30 | ||
JP2016129714 | 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)
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 |
MX2017006430A (es) | 2014-11-18 | 2017-09-12 | Jfe Steel Corp | Tuberia de acero sin costura de alta resistencia para productos tubulares para campos petroleros y metodo para producir los mismos. |
MX2017008360A (es) | 2014-12-24 | 2017-10-24 | Jfe Steel Corp | Tubo de acero sin costura de alta resistencia para productos tubulares para paises productores de petroleo y metodo para producir el mismo. |
EP3202943B1 (en) | 2014-12-24 | 2019-06-19 | JFE Steel Corporation | High-strength seamless steel pipe for oil wells, and production method for high-strength seamless steel pipe for oil wells |
EP3395991B1 (en) | 2015-12-22 | 2023-04-12 | JFE Steel Corporation | High strength seamless stainless steel pipe for oil wells and manufacturing method therefor |
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 |
EP3530761B1 (en) * | 2018-02-23 | 2022-04-27 | Vallourec Deutschland GmbH | High tensile and high toughness steels |
US11773460B2 (en) * | 2018-04-09 | 2023-10-03 | Nippon Steel Corporation | Steel pipe and method for producing steel pipe |
AR118071A1 (es) * | 2019-02-15 | 2021-09-15 | Nippon Steel Corp | Material de acero adecuado para uso en ambiente agrio |
BR112022012405A2 (pt) * | 2019-12-26 | 2022-08-30 | Jfe Steel Corp | Tubo de aço sem emendas de alta resistência e método para fabricar o mesmo |
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)
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 |
AU2006282411B2 (en) | 2005-08-22 | 2010-02-18 | Nippon Steel Corporation | Seamless steel pipe for line pipe and method for its manufacture |
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 |
BR112012030096B1 (pt) * | 2010-06-08 | 2018-06-19 | Nippon Steel & Sumitomo Metal Corporation | Aço para tubo de aço com excelente resistência ao craqueamento sob tensão por sulfeto |
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 |
US10287645B2 (en) | 2012-03-07 | 2019-05-14 | 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 |
MX2017006430A (es) | 2014-11-18 | 2017-09-12 | Jfe Steel Corp | Tuberia de acero sin costura de alta resistencia para productos tubulares para campos petroleros y metodo para producir los mismos. |
EP3202943B1 (en) | 2014-12-24 | 2019-06-19 | JFE Steel Corporation | High-strength seamless steel pipe for oil wells, and production method for high-strength seamless steel pipe for oil wells |
MX2017008360A (es) | 2014-12-24 | 2017-10-24 | Jfe Steel Corp | Tubo de acero sin costura de alta resistencia para productos tubulares para paises productores de petroleo y metodo para producir el mismo. |
EP3395991B1 (en) | 2015-12-22 | 2023-04-12 | JFE Steel Corporation | High strength seamless stainless steel pipe for oil wells and manufacturing method therefor |
-
2016
- 2016-10-18 EP EP16877932.0A patent/EP3395991B1/en active Active
- 2016-10-18 BR BR112018012400-1A patent/BR112018012400B1/pt active IP Right Grant
- 2016-10-18 US US16/064,086 patent/US11186885B2/en active Active
- 2016-10-18 WO PCT/JP2016/004609 patent/WO2017110027A1/ja active Application Filing
- 2016-10-18 MX MX2018007692A patent/MX2018007692A/es unknown
Also Published As
Publication number | Publication date |
---|---|
EP3395991B1 (en) | 2023-04-12 |
WO2017110027A1 (ja) | 2017-06-29 |
US20190024201A1 (en) | 2019-01-24 |
EP3395991A4 (en) | 2018-10-31 |
BR112018012400B1 (pt) | 2020-02-18 |
US11186885B2 (en) | 2021-11-30 |
MX2018007692A (es) | 2018-08-01 |
EP3395991A1 (en) | 2018-10-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR112018012400A2 (pt) | tubo de aço inoxidável sem costura de alta resistência para poços de petróleo e método de fabricação do mesmo | |
BR112017012766A2 (pt) | tubo de aço sem costura de alta resistência para produtos tubulares da indústria petrolífera e método de produção para tubo de aço sem costura de alta resistência para produtos tubulares da indústria petrolífera | |
BR112017011971A2 (pt) | tubo de aço sem costura de alta resistência para produtos tubulares da indústria petrolíferae método de produção para tubo de aço sem costura de alta resistência para produtos tubulares da indústria petrolífera | |
BR112017009632A2 (pt) | tubo de aço sem costura de alta resistência para produtos tubulares para indústria petrolífera e método para produzir o mesmo | |
BR112019004836A2 (pt) | tubo de aço contínuo de alta resistibilidade para poço de petróleo, e método para produção do mesmo | |
Zhu et al. | Failure analysis of a helical compression spring for a heavy vehicle's suspension system | |
BR112019007842A2 (pt) | cano inteiriço de aço inoxidável martensítico para cano de poço de petróleo e método para produzir cano inteiriço | |
BR112017001430A2 (pt) | ?cano de aço de baixa liga para poço de óleo? | |
BR112017019994A2 (pt) | membro de folha de aço tratada termicamente e método para produzir o mesmo | |
BR112015014716B8 (pt) | Tubo ou tubulação sem costura de aço inoxidável de alta resistência para poços de óleo tubulares e método para fabricação do tubo ou tubulação | |
BR112016023912A2 (pt) | aço para molas e método para produção do mesmo | |
BR112014029392A2 (pt) | tubo de aço inoxidável sem costura de alta resistência para materiais tubulares de campos petrolíferos e método para produção do mesmo | |
BR112019001287A2 (pt) | tubo de aço inoxidável sem soldagem de alta resistência para bens tubulares para indústria de petróleo, e método para produzir o mesmo | |
MX2017002911A (es) | Acero inoxidable a base de ferrita con alta resistencia a la corrosividad provocada por gas de escape y condensacion y altas propiedades de soldadura fuerte y metodo para fabricar el mismo. | |
BR112012030096A2 (pt) | aço para tubo de aço com excelente resistência ao craqueamento sob tensão por sulfeto | |
MX2017002463A (es) | Tubo de acero para pozos petroleros de pared gruesa y metodo de produccion del mismo. | |
BR112018068914A2 (pt) | cano de aço inoxidável sem costura de alta resistibilidade para poço de óleo | |
MX2017002975A (es) | Tuberia de acero sin costura de alta resistencia para productos tubulares de region petrolifera y metodo de produccion de la misma. | |
BR112016027036A2 (pt) | Tubo de aço inoxidável sem emenda de alta resistência para artigos tubulares de campo petrolífero e método para fabricação do mesmo | |
BR112017025756A2 (pt) | chapa de aço e método de fabricação | |
EP2489754A3 (en) | Hollow drilling steel rod and method of manufacturing the same | |
BR112019005395A2 (pt) | material de aço, tubo de aço de poço de petróleo e método para produzir material de aço | |
BR112019002999A2 (pt) | aço inoxidável de fase dupla e método de produção do mesmo | |
MY190065A (en) | Electric resistance welded steel pipe for high-strength hollow stabilizer, method for manufacturing electric resistance welded steel pipe for high-strength hollow stabilizer, high-strength hollow stabilizer, and method for manufacturing high-strength hollow stabilizer | |
BR112016015486A2 (pt) | Cano de ferro e aço que contém cromo à base de martensita para poço de óleo |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
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. |