BR112015000515A2 - tubo para condução resistente à corrosão com alta força e parede espessa e método para produzir o mesmo - Google Patents
tubo para condução resistente à corrosão com alta força e parede espessa e método para produzir o mesmoInfo
- Publication number
- BR112015000515A2 BR112015000515A2 BR112015000515A BR112015000515A BR112015000515A2 BR 112015000515 A2 BR112015000515 A2 BR 112015000515A2 BR 112015000515 A BR112015000515 A BR 112015000515A BR 112015000515 A BR112015000515 A BR 112015000515A BR 112015000515 A2 BR112015000515 A2 BR 112015000515A2
- Authority
- BR
- Brazil
- Prior art keywords
- tube
- driving tube
- high strength
- same
- corrosion resistant
- Prior art date
Links
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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/02—Rigid pipes of metal
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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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/08—Making tubes with welded or soldered seams
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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
- C21D6/001—Heat treatment of ferrous alloys containing Ni
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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
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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
- C21D6/005—Heat treatment of ferrous alloys containing Mn
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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
- C21D6/008—Heat treatment of ferrous alloys containing Si
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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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
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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
- 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
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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
- 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
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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
- 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
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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
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
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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
- C22C38/002—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
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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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
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
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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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
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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
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
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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
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
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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
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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
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
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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
- 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
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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
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
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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
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
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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
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/043—Analysing solids in the interior, e.g. by shear waves
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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
- C21D11/00—Process control or regulation for heat treatments
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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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/002—Bainite
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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
- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
- G01N2291/0234—Metals, e.g. steel
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/263—Surfaces
- G01N2291/2634—Surfaces cylindrical from outside
Abstract
resumo patente de invenção: "tubo para condução resistente à corrosão com alta força e parede espessa e método para produzir o mesmo". é fornecido um tubo para condução adequado como um tubo para condução resistente à corrosão com alta força e parede espessa que tem uma espessura de tubo de 20 mm e uma resistência à tração de 560 mpa e um método para produzir o tubo para condução. nesse tubo para condução, a parte de material base compreende: quantidades específicas de c, si, mn, p, s, al, nb, ca, n e o, um ou mais tipos de cu, ni, cr, mo, v e ti como (um) componente(s) opcional(is); e fe e impurezas inevitáveis como o restante. nesse tubo para condução: a microestrutura na direção de espessura de tubo compreende 90% de bainita na região a partir de uma profundidade de 2 mm a partir da superfície interna até uma profundidade de 2 mm a partir da superfície externa; a dureza em regiões exceto para a parte de segregação central é 220 hv10 ou menos e a dureza na parte de segregação central é 250 hv10 ou menos em termos de distribuição de dureza na direção de espessura de tubo.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012153410 | 2012-07-09 | ||
JP2012-153410 | 2012-07-09 | ||
PCT/JP2013/002160 WO2014010150A1 (ja) | 2012-07-09 | 2013-03-29 | 厚肉高強度耐サワーラインパイプおよびその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
BR112015000515A2 true BR112015000515A2 (pt) | 2017-06-27 |
BR112015000515B1 BR112015000515B1 (pt) | 2019-05-14 |
Family
ID=49915638
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112015000515-2A BR112015000515B1 (pt) | 2012-07-09 | 2013-03-29 | Método para produzir um tubo para condução resistente à corrosão com alta força e parede espessa. |
Country Status (9)
Country | Link |
---|---|
US (1) | US20150152982A1 (pt) |
EP (1) | EP2871252A4 (pt) |
JP (1) | JPWO2014010150A1 (pt) |
KR (2) | KR101757710B1 (pt) |
CN (2) | CN104428437B (pt) |
BR (1) | BR112015000515B1 (pt) |
IN (1) | IN2014KN02973A (pt) |
RU (1) | RU2621093C2 (pt) |
WO (1) | WO2014010150A1 (pt) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IN2014KN02286A (pt) * | 2012-06-18 | 2015-05-01 | Jfe Steel Corp | |
JP6245139B2 (ja) * | 2014-10-22 | 2017-12-13 | Jfeスチール株式会社 | 耐スケール剥離性に優れた耐サワー溶接鋼管用厚鋼板、およびその製造方法、ならびに溶接鋼管 |
CA2980985C (en) * | 2015-03-27 | 2020-06-09 | Jfe Steel Corporation | High-strength steel, method for manufacturing high-strength steel, steel pipe and method for manufacturing steel pipe |
US10570477B2 (en) | 2015-03-27 | 2020-02-25 | Jfe Steel Corporation | High-strength steel, method for manufacturing high-strength steel, steel pipe, and method for manufacturing steel pipe |
CN106086641B (zh) * | 2016-06-23 | 2017-08-22 | 江阴兴澄特种钢铁有限公司 | 一种抗硫化氢腐蚀特大型石油储罐用高强钢及其制造方法 |
RU2658515C1 (ru) * | 2017-05-10 | 2018-06-21 | Публичное акционерное общество "Трубная металлургическая компания" (ПАО "ТМК") | Труба высокопрочная из низкоуглеродистой доперитектической молибденсодержащей стали для нефтегазопроводов и способ её производства |
CN107326261A (zh) * | 2017-06-16 | 2017-11-07 | 武汉钢铁有限公司 | 低屈强比薄规格高强抗酸管线钢热轧卷板及其制造方法 |
RU2735605C1 (ru) * | 2017-09-28 | 2020-11-05 | ДжФЕ СТИЛ КОРПОРЕЙШН | Высокопрочная толстолистовая сталь для магистральных труб, стойких к воздействию высокосернистого нефтяного газа, и способ ее изготовления, и высокопрочная стальная труба, использующая высокопрочную толстолистовую сталь для магистральных труб, стойких к воздействию высокосернистого нефтяного газа |
CN108624811B (zh) * | 2018-06-04 | 2020-07-14 | 南京钢铁股份有限公司 | 一种大厚壁抗酸耐蚀管线钢及其生产方法 |
JP7226102B2 (ja) * | 2019-05-29 | 2023-02-21 | Jfeスチール株式会社 | 耐サワーラインパイプ用溶接鋼管の製造方法 |
KR20220032115A (ko) * | 2019-07-31 | 2022-03-15 | 제이에프이 스틸 가부시키가이샤 | 내사우어 라인 파이프용 고강도 강판 및 그의 제조 방법 그리고 내사우어 라인 파이프용 고강도 강판을 이용한 고강도 강관 |
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-
2013
- 2013-03-29 WO PCT/JP2013/002160 patent/WO2014010150A1/ja active Application Filing
- 2013-03-29 RU RU2015104050A patent/RU2621093C2/ru active
- 2013-03-29 BR BR112015000515-2A patent/BR112015000515B1/pt active IP Right Grant
- 2013-03-29 CN CN201380036274.XA patent/CN104428437B/zh active Active
- 2013-03-29 JP JP2014524610A patent/JPWO2014010150A1/ja active Pending
- 2013-03-29 KR KR1020157001325A patent/KR101757710B1/ko active IP Right Grant
- 2013-03-29 CN CN201610537674.4A patent/CN106086646B/zh active Active
- 2013-03-29 US US14/412,558 patent/US20150152982A1/en not_active Abandoned
- 2013-03-29 IN IN2973KON2014 patent/IN2014KN02973A/en unknown
- 2013-03-29 KR KR1020177018700A patent/KR20170083158A/ko not_active Application Discontinuation
- 2013-03-29 EP EP13816689.7A patent/EP2871252A4/en not_active Withdrawn
Also Published As
Publication number | Publication date |
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CN106086646B (zh) | 2019-02-19 |
KR101757710B1 (ko) | 2017-07-14 |
CN104428437A (zh) | 2015-03-18 |
RU2621093C2 (ru) | 2017-05-31 |
WO2014010150A1 (ja) | 2014-01-16 |
KR20170083158A (ko) | 2017-07-17 |
US20150152982A1 (en) | 2015-06-04 |
RU2015104050A (ru) | 2016-08-27 |
EP2871252A1 (en) | 2015-05-13 |
IN2014KN02973A (pt) | 2015-05-08 |
JPWO2014010150A1 (ja) | 2016-06-20 |
BR112015000515B1 (pt) | 2019-05-14 |
KR20150029711A (ko) | 2015-03-18 |
CN104428437B (zh) | 2017-03-08 |
EP2871252A4 (en) | 2016-03-02 |
CN106086646A (zh) | 2016-11-09 |
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