BR112016027036A2 - Tubo de aço inoxidável sem emenda de alta resistência para artigos tubulares de campo petrolífero e método para fabricação do mesmo - Google Patents

Tubo de aço inoxidável sem emenda de alta resistência para artigos tubulares de campo petrolífero e método para fabricação do mesmo

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Publication number
BR112016027036A2
BR112016027036A2 BR112016027036A BR112016027036A BR112016027036A2 BR 112016027036 A2 BR112016027036 A2 BR 112016027036A2 BR 112016027036 A BR112016027036 A BR 112016027036A BR 112016027036 A BR112016027036 A BR 112016027036A BR 112016027036 A2 BR112016027036 A2 BR 112016027036A2
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BR
Brazil
Prior art keywords
less
steel tube
high strength
stainless steel
tubular articles
Prior art date
Application number
BR112016027036A
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English (en)
Other versions
BR112016027036B1 (pt
Inventor
Fujimura Kazuki
Ishiguro Yasuhide
Nakahashi Tetsu
Sato Hideo
Original Assignee
Jfe Steel Corp
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Publication date
Application filed by Jfe Steel Corp filed Critical Jfe Steel Corp
Publication of BR112016027036A2 publication Critical patent/BR112016027036A2/pt
Publication of BR112016027036B1 publication Critical patent/BR112016027036B1/pt

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    • 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
    • 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
    • C21D1/19Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • C21D1/22Martempering
    • 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
    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/004Heat treatment of ferrous alloys containing Cr and Ni
    • 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
    • C21D8/005Modifying the physical properties by deformation combined with, or followed by, heat treatment 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
    • 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
    • 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
    • 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
    • C22C38/40Ferrous 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
    • 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
    • C22C38/58Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • 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
    • 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

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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 Articles (AREA)
  • Heat Treatment Of Steel (AREA)

Abstract

TUBO DE AÇO INOXIDÁVEL SEM EMENDA DE ALTA RESISTÊNCIA PARA ARTIGOS TUBULARES DE CAMPO PETROLÍFERO E MÉTODO PARA FABRICAÇÃO DO MESMO. É proporcionado um tubo de aço inoxidável sem emenda de alta resistência para artigos tubulares de campo petrolífero, excelente em termos de trabalhabilidade a quente, resistência à rachadura de tensão de sulfureto e resistência à corrosão e um método para a fabricação de tubos de aço. O tubo de aço tem uma composição química contendo Cr e Ni de modo que a relação de Cr/Ni (menor igual) 5,3 é satisfeita e uma microestrutura que inclui principalmente uma fase martensítica temperada, na qual uma microestrutura de camada de superfície inclui uma fase que parece branca quando submetida à gravura com uma solução de gravura Vilella, que tem uma espessura na direção da espessura de parede a partir da superfície externa do tubo de 10 (Mi) ou mais e 100 (Mi) ou menos, e que se dispersa na superfície externa do tubo em uma quantidade de 50% ou mais em termos de fração de área. A composição química pode ser uma composição química contendo, em % de massa, C: 0,005% ou mais e 0,05% ou menos, Si: 0,05% ou mais e 1,50% ou menos, Mn: 0,2% ou mais e 1,8% ou menos, P: 0,02% ou menos, S: 0,005% ou menos, Cr: 11% ou mais e 18% ou menos, Ni: 0,10% ou mais e 8,0% ou menos, Mo: 0,6% ou mais e 3,5% ou menos, e o restante sendo Fe e impurezas inevitáveis.
BR112016027036-3A 2014-05-21 2015-05-20 Tubo de aço inoxidável sem emenda de alta resistência para artigos tubulares de campo petrolífero e método para fabricação do mesmo BR112016027036B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2014-105039 2014-05-21
JP2014105039 2014-05-21
PCT/JP2015/002535 WO2015178022A1 (ja) 2014-05-21 2015-05-20 油井用高強度ステンレス継目無鋼管およびその製造方法

Publications (2)

Publication Number Publication Date
BR112016027036A2 true BR112016027036A2 (pt) 2017-08-15
BR112016027036B1 BR112016027036B1 (pt) 2021-04-13

Family

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BR112016027036-3A BR112016027036B1 (pt) 2014-05-21 2015-05-20 Tubo de aço inoxidável sem emenda de alta resistência para artigos tubulares de campo petrolífero e método para fabricação do mesmo

Country Status (7)

Country Link
US (1) US10329633B2 (pt)
EP (1) EP3121306B1 (pt)
JP (1) JP6227664B2 (pt)
CN (1) CN106414785B (pt)
BR (1) BR112016027036B1 (pt)
MX (1) MX2016015099A (pt)
WO (1) WO2015178022A1 (pt)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6578809B2 (ja) * 2015-08-18 2019-09-25 日本製鉄株式会社 継目無鋼管の製造方法
WO2017138050A1 (ja) * 2016-02-08 2017-08-17 Jfeスチール株式会社 油井用高強度ステンレス継目無鋼管およびその製造方法
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
JP6805639B2 (ja) * 2016-08-29 2020-12-23 日本製鉄株式会社 ステンレス鋼管の製造方法
WO2018079111A1 (ja) * 2016-10-25 2018-05-03 Jfeスチール株式会社 油井管用マルテンサイト系ステンレス継目無鋼管およびその製造方法
RU2716438C1 (ru) * 2017-02-24 2020-03-12 ДжФЕ СТИЛ КОРПОРЕЙШН Бесшовная высокопрочная труба из нержавеющей стали нефтепромыслового сортамента и способ её изготовления
CN107012400A (zh) * 2017-03-28 2017-08-04 广西浩昌敏再生资源利用有限公司 一种耐腐蚀钢材及其制作方法
EP3604591A4 (en) * 2017-03-28 2020-09-02 Nippon Steel Corporation MARTENSITIC STAINLESS STEEL MATERIAL
CN107130187A (zh) * 2017-03-28 2017-09-05 广西浩昌敏再生资源利用有限公司 一种高强耐磨钢材及其制作方法
CN107151766A (zh) * 2017-03-28 2017-09-12 广西浩昌敏再生资源利用有限公司 一种高强度钢材及其制作方法
MX2020002836A (es) 2017-09-29 2020-07-22 Jfe Steel Corp Tubo sin costura de acero inoxidable martensitico para productos tubulares de region petrolifera, y metodo para la fabricacion del mismo.
CN108517471A (zh) * 2018-03-29 2018-09-11 太原钢铁(集团)有限公司 油井用耐腐蚀超马氏体不锈钢管坯及其制造方法
CN108277438A (zh) * 2018-03-29 2018-07-13 太原钢铁(集团)有限公司 超低碳马氏体不锈钢无缝管及其制造方法
AR116495A1 (es) * 2018-09-27 2021-05-12 Nippon Steel Corp Material de acero inoxidable martensítico
JP7060108B2 (ja) * 2018-10-02 2022-04-26 日本製鉄株式会社 マルテンサイト系ステンレス継目無鋼管
WO2020071348A1 (ja) * 2018-10-02 2020-04-09 日本製鉄株式会社 マルテンサイト系ステンレス継目無鋼管
WO2020095559A1 (ja) * 2018-11-05 2020-05-14 Jfeスチール株式会社 油井管用マルテンサイト系ステンレス継目無鋼管およびその製造方法
CN109355469A (zh) * 2018-12-22 2019-02-19 中南大学 一种铜钒钴抗蚀奥氏体不锈钢及其加工与热处理方法
CN109355594B (zh) * 2018-12-22 2022-04-01 佛山培根细胞新材料有限公司 一种铜钒钴改性不锈钢及其加工与热处理方法
CN111349850B (zh) * 2018-12-24 2022-03-18 宝山钢铁股份有限公司 一种高耐蚀耐候钢及其制造方法
JP7323784B2 (ja) * 2019-07-24 2023-08-09 日本製鉄株式会社 ステンレス鋼管の製造方法
CN115698358B (zh) * 2020-04-01 2023-08-29 日本制铁株式会社 钢材
WO2021235087A1 (ja) * 2020-05-18 2021-11-25 Jfeスチール株式会社 油井管用ステンレス継目無鋼管およびその製造方法
EP4123037A1 (en) * 2020-07-06 2023-01-25 JFE Steel Corporation Seamless stainless steel pipe and production method therefor
EP3967423A1 (en) * 2020-09-11 2022-03-16 Questek Innovations LLC Stainless steel powders for additive manufacturing
US20230366071A1 (en) * 2020-10-08 2023-11-16 Nippon Steel Corporation Martensitic stainless steel material
CN113774279B (zh) * 2021-08-20 2022-07-01 中国原子能科学研究院 核反应堆合金材料,其制备方法、部件及焊接方法
CN113913708A (zh) * 2021-09-08 2022-01-11 邯郸新兴特种管材有限公司 一种95钢级超级13Cr无缝钢管及生产方法
JP7381983B2 (ja) 2021-11-09 2023-11-16 日本製鉄株式会社 マルテンサイト系ステンレス継目無鋼管、及び、マルテンサイト系ステンレス継目無鋼管の製造方法
CN114574777B (zh) * 2022-03-04 2023-03-31 攀钢集团江油长城特殊钢有限公司 一种超低温服役环境用高强韧不锈钢大钢锭及其制备方法
CN115896628A (zh) * 2022-11-28 2023-04-04 攀钢集团攀枝花钢铁研究院有限公司 一种输油用高强度无缝管及其制造方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6213527A (ja) 1985-07-12 1987-01-22 Kawasaki Steel Corp ステンレス合金鋼スラブの加熱方法
JPS6213556A (ja) * 1985-07-12 1987-01-22 Kawasaki Steel Corp 熱間圧延で表面割れの少ないステンレス合金鋼およびそのスラブ加熱方法
JPH04168221A (ja) 1990-11-01 1992-06-16 Kawasaki Steel Corp オーステナイト系ステンレス継目無鋼管の製造方法
JP3127272B2 (ja) 1992-07-15 2001-01-22 新日本製鐵株式会社 高耐食性フェライト系ステンレス鋼板の製造方法
JPH0890043A (ja) * 1994-09-26 1996-04-09 Sumitomo Metal Ind Ltd ステンレス継目無鋼管の製造方法
JPH101755A (ja) 1996-04-15 1998-01-06 Nippon Steel Corp 耐食性、耐硫化物応力腐食割れに優れたマルテンサイトステンレス鋼及びその製造方法
JP3379345B2 (ja) * 1996-08-23 2003-02-24 住友金属工業株式会社 酸化層を有する13Cr系ステンレス鋼管の製造方法
JPH11239806A (ja) 1998-02-23 1999-09-07 Sumitomo Metal Ind Ltd 表面性状に優れた、フェライト系ステンレス鋼板の製造方法
WO2004001082A1 (ja) 2002-06-19 2003-12-31 Jfe Steel Corporation 油井用ステンレス鋼管およびその製造方法
JP5109222B2 (ja) 2003-08-19 2012-12-26 Jfeスチール株式会社 耐食性に優れた油井用高強度ステンレス継目無鋼管およびその製造方法
JP4107199B2 (ja) 2003-08-25 2008-06-25 住友金属工業株式会社 中実丸ビレットとその製造方法およびマルテンサイト系ステンレス鋼継目無鋼管の製造方法
EP1683885B1 (en) * 2003-10-31 2013-05-29 JFE Steel Corporation High strength stainless steel pipe for line pipe excellent in corrosion resistance and method for production thereof
CN100497705C (zh) * 2003-10-31 2009-06-10 杰富意钢铁株式会社 耐腐蚀性优良的管线管用高强度不锈钢管及其制造方法
JP4893196B2 (ja) * 2006-09-28 2012-03-07 Jfeスチール株式会社 高靭性でかつ耐食性に優れた油井用高強度ステンレス鋼管

Also Published As

Publication number Publication date
US10329633B2 (en) 2019-06-25
US20170096722A1 (en) 2017-04-06
BR112016027036B1 (pt) 2021-04-13
MX2016015099A (es) 2017-02-22
JPWO2015178022A1 (ja) 2017-04-20
EP3121306B1 (en) 2020-06-24
JP6227664B2 (ja) 2017-11-08
CN106414785B (zh) 2018-10-09
CN106414785A (zh) 2017-02-15
WO2015178022A1 (ja) 2015-11-26
EP3121306A1 (en) 2017-01-25
EP3121306A4 (en) 2017-04-26

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