BRPI0909042B8 - aço inoxidável usado para produtos tubulares empregados nos campos petrolíferos - Google Patents
aço inoxidável usado para produtos tubulares empregados nos campos petrolíferos Download PDFInfo
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- BRPI0909042B8 BRPI0909042B8 BRPI0909042A BRPI0909042A BRPI0909042B8 BR PI0909042 B8 BRPI0909042 B8 BR PI0909042B8 BR PI0909042 A BRPI0909042 A BR PI0909042A BR PI0909042 A BRPI0909042 A BR PI0909042A BR PI0909042 B8 BRPI0909042 B8 BR PI0909042B8
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- stainless steel
- oil fields
- tubular products
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Classifications
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- 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
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- 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
- C21D1/25—Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius, i.e. heat refining ("Vergüten")
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- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
-
- 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
- C21D9/14—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes wear-resistant or pressure-resistant pipes
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- 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
-
- 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
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- 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
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- 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
- C22C38/44—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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
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)
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Articles (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
aço inoxidável usado para produtos tubulares em pegada nos campos petrolíferos trata-se de aço inoxidável para um produto tubular em pegada nos campos petrolíferos que de acordo com a invenção inclui, em por cento por massa, 0,001 % a 0,05% de c, 0,05% a 1% de si, no máximo 2% de mn, no máximo 0,03% de p, menos que 0,002% de s, 16% a 18% de cr, 3,5% a 7% de ni, mais que 2% e no máximo 4% de mo, 1,5% a 4% de cu, 0,001 % a 0,3% de metal ferroso raro, 0,001% a 0,1% de sol. al, 0,0001% a 0,01% de ca, no máximo 0,05% de o, e no 10 máximo 0,05% de n, e o equilibro consiste em fe e impurezas. o aço inoxidável de acordo com a invenção inclui rem e, portanto, possui alta resistência à scc em um ambiente de solução aquosa de cloreto em alta temperatura.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008-087643 | 2008-03-28 | ||
JP2008087643 | 2008-03-28 | ||
PCT/JP2009/001238 WO2009119048A1 (ja) | 2008-03-28 | 2009-03-19 | 油井管に用いられるステンレス鋼 |
Publications (3)
Publication Number | Publication Date |
---|---|
BRPI0909042A2 BRPI0909042A2 (pt) | 2016-06-07 |
BRPI0909042B1 BRPI0909042B1 (pt) | 2020-03-24 |
BRPI0909042B8 true BRPI0909042B8 (pt) | 2020-05-05 |
Family
ID=41113259
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0909042A BRPI0909042B8 (pt) | 2008-03-28 | 2009-03-19 | aço inoxidável usado para produtos tubulares empregados nos campos petrolíferos |
Country Status (12)
Country | Link |
---|---|
US (1) | US20110014083A1 (pt) |
EP (1) | EP2256225B1 (pt) |
JP (1) | JP4577457B2 (pt) |
CN (1) | CN101981215A (pt) |
AR (1) | AR070745A1 (pt) |
AU (1) | AU2009230545B2 (pt) |
BR (1) | BRPI0909042B8 (pt) |
CA (1) | CA2717104C (pt) |
ES (1) | ES2674255T3 (pt) |
MX (1) | MX2010010435A (pt) |
RU (1) | RU2449046C1 (pt) |
WO (1) | WO2009119048A1 (pt) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AR076669A1 (es) | 2009-05-18 | 2011-06-29 | Sumitomo Metal Ind | Acero inoxidable para pozos de petroleo, tubo de acero inoxidable para pozos de petroleo, y metodo de fabricacion de acero inoxidable para pozos de petroleo |
CN102869803B (zh) * | 2010-04-28 | 2016-04-27 | 新日铁住金株式会社 | 油井用高强度不锈钢和油井用高强度不锈钢管 |
JP5528986B2 (ja) * | 2010-11-09 | 2014-06-25 | 株式会社日立製作所 | 析出硬化型マルテンサイト系ステンレス鋼およびそれを用いた蒸気タービン部材 |
MX354334B (es) * | 2012-03-26 | 2018-02-26 | Nippon Steel & Sumitomo Metal Corp | Acero inoxidable para pozos de petróleo y tuberías de acero inoxidable para pozos de petróleo. |
JP5488643B2 (ja) * | 2012-05-31 | 2014-05-14 | Jfeスチール株式会社 | 油井管用高強度ステンレス鋼継目無管およびその製造方法 |
US20150176727A1 (en) * | 2012-06-18 | 2015-06-25 | Jfe Steel Corporation | Thick, high-strength, sour-resistant line pipe and method for producing same |
KR101757710B1 (ko) * | 2012-07-09 | 2017-07-14 | 제이에프이 스틸 가부시키가이샤 | 후육 고강도 내사우어 라인 파이프의 제조 방법 |
JP6045256B2 (ja) | 2012-08-24 | 2016-12-14 | エヌケーケーシームレス鋼管株式会社 | 高強度高靭性高耐食マルテンサイト系ステンレス鋼 |
RU2522914C1 (ru) * | 2013-02-27 | 2014-07-20 | Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Уральский федеральный университет имени первого Президента России Б.Н. Ельцина" | Аустенитно-ферритная сталь с высокой прочностью |
CN103194683B (zh) * | 2013-04-24 | 2016-01-13 | 内蒙古包钢钢联股份有限公司 | 含稀土油井管接箍料用无缝钢管材料及其制备方法 |
CN103484785A (zh) * | 2013-08-16 | 2014-01-01 | 广东华鳌合金新材料有限公司 | 一种含稀土元素的高强度的合金及其制备方法 |
BR102014005015A8 (pt) | 2014-02-28 | 2017-12-26 | Villares Metals S/A | aço inoxidável martensítico-ferrítico, produto manufaturado, processo para a produção de peças ou barras forjadas ou laminadas de aço inoxidável martensítico-ferrítico e processo para a produção de tudo sem costura de aço inoxidável martensítico-ferrítico |
WO2016113794A1 (ja) * | 2015-01-15 | 2016-07-21 | Jfeスチール株式会社 | 油井用継目無ステンレス鋼管およびその製造方法 |
JP6432683B2 (ja) | 2015-08-04 | 2018-12-05 | 新日鐵住金株式会社 | ステンレス鋼及び油井用ステンレス鋼材 |
CN108431246B (zh) * | 2016-01-13 | 2020-02-18 | 日本制铁株式会社 | 油井用不锈钢管的制造方法及油井用不锈钢管 |
US11945943B2 (en) | 2019-08-23 | 2024-04-02 | Desktop Metal, Inc. | Binder composition for additive manufacturing |
CN111560566A (zh) * | 2020-05-18 | 2020-08-21 | 江苏京成机械制造有限公司 | 一种耐腐蚀合金材料及基于该耐腐蚀合金材料的脱硫管件 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5993858A (ja) * | 1982-11-18 | 1984-05-30 | Hitachi Metals Ltd | フエライトフリ−の析出硬化型ステンレス鋼 |
JP2742948B2 (ja) * | 1989-08-16 | 1998-04-22 | 新日本製鐵株式会社 | 耐食性の優れたマルテンサイト系ステンレス鋼およびその製造方法 |
RU2016133C1 (ru) * | 1991-07-03 | 1994-07-15 | Институт проблем литья АН Украины | Коррозионностойкая сталь |
DE69510060T2 (de) * | 1994-07-21 | 2000-03-16 | Nippon Steel Corp | Rostfreier martensit-stahl mit ausgezeichneter verarbeitbarkeit und schwefel induzierter spannungsrisskorrosionsbeständigkeit |
JP3417219B2 (ja) * | 1996-07-12 | 2003-06-16 | 住友金属工業株式会社 | 熱間加工性に優れたマルテンサイト系ステンレス鋼 |
JP4363327B2 (ja) * | 2002-06-19 | 2009-11-11 | Jfeスチール株式会社 | 油井用ステンレス鋼管およびその製造方法 |
AR042494A1 (es) * | 2002-12-20 | 2005-06-22 | Sumitomo Chemical Co | Acero inoxidable martensitico de alta resistencia con excelentes propiedades de resistencia a la corrosion por dioxido de carbono y resistencia a la corrosion por fisuras por tensiones de sulfuro |
CN1833046B (zh) * | 2003-06-10 | 2010-09-01 | 住友金属工业株式会社 | 氢气环境用钢材,结构机械构件及其制造方法 |
JP4367412B2 (ja) * | 2003-07-22 | 2009-11-18 | 住友金属工業株式会社 | マルテンサイト系ステンレス鋼 |
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 |
WO2005042793A1 (ja) * | 2003-10-31 | 2005-05-12 | Jfe Steel Corporation | 耐食性に優れたラインパイプ用高強度ステンレス鋼管およびその製造方法 |
JP4470617B2 (ja) | 2004-06-30 | 2010-06-02 | Jfeスチール株式会社 | 耐炭酸ガス腐食性に優れる油井用高強度ステンレス鋼管 |
DE602005021286D1 (de) * | 2004-09-15 | 2010-07-01 | Sumitomo Metal Ind | Stahl-Rohr mit ausgezeichneter Beständigkeit gegen Abblättern auf der inneren Oberfläche |
JP4978073B2 (ja) * | 2006-06-16 | 2012-07-18 | Jfeスチール株式会社 | 耐食性に優れる油井用高靭性超高強度ステンレス鋼管およびその製造方法 |
CA2661655C (en) * | 2006-08-31 | 2014-05-27 | Sumitomo Metal Industries, Ltd. | Martensitic stainless steel for welded structures |
-
2009
- 2009-03-19 JP JP2010505320A patent/JP4577457B2/ja active Active
- 2009-03-19 BR BRPI0909042A patent/BRPI0909042B8/pt active IP Right Grant
- 2009-03-19 AU AU2009230545A patent/AU2009230545B2/en not_active Ceased
- 2009-03-19 EP EP09726339.6A patent/EP2256225B1/en active Active
- 2009-03-19 CN CN2009801107412A patent/CN101981215A/zh active Pending
- 2009-03-19 RU RU2010144046/02A patent/RU2449046C1/ru not_active IP Right Cessation
- 2009-03-19 CA CA2717104A patent/CA2717104C/en not_active Expired - Fee Related
- 2009-03-19 MX MX2010010435A patent/MX2010010435A/es active IP Right Grant
- 2009-03-19 ES ES09726339.6T patent/ES2674255T3/es active Active
- 2009-03-19 WO PCT/JP2009/001238 patent/WO2009119048A1/ja active Application Filing
- 2009-03-26 AR ARP090101072A patent/AR070745A1/es active IP Right Grant
-
2010
- 2010-09-28 US US12/892,045 patent/US20110014083A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
ES2674255T3 (es) | 2018-06-28 |
CA2717104A1 (en) | 2009-10-01 |
EP2256225B1 (en) | 2018-04-25 |
JP4577457B2 (ja) | 2010-11-10 |
AU2009230545B2 (en) | 2011-12-15 |
US20110014083A1 (en) | 2011-01-20 |
AR070745A1 (es) | 2010-05-05 |
CA2717104C (en) | 2014-01-07 |
JPWO2009119048A1 (ja) | 2011-07-21 |
EP2256225A4 (en) | 2017-01-04 |
AU2009230545A1 (en) | 2009-10-01 |
EP2256225A1 (en) | 2010-12-01 |
BRPI0909042A2 (pt) | 2016-06-07 |
MX2010010435A (es) | 2010-11-05 |
BRPI0909042B1 (pt) | 2020-03-24 |
WO2009119048A1 (ja) | 2009-10-01 |
RU2449046C1 (ru) | 2012-04-27 |
CN101981215A (zh) | 2011-02-23 |
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B25A | Requested transfer of rights approved |
Owner name: NIPPON STEEL AND SUMITOMO METAL CORPORATION (JP) |
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B07A | Technical examination (opinion): publication of technical examination (opinion) [chapter 7.1 patent gazette] | ||
B09B | Patent application refused [chapter 9.2 patent gazette] | ||
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B25D | Requested change of name of applicant approved |
Owner name: NIPPON STEEL CORPORATION (JP) |
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B16A | Patent or certificate of addition of invention granted |
Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 24/03/2020, OBSERVADAS AS CONDICOES LEGAIS. |
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B16C | Correction of notification of the grant |
Free format text: REF. RPI 2568 24/03/2020 QUANTO AO INVENTOR. |