BR112018071993A2 - tubo de aço com alto teor de manganês com resistência à erosão-corrosão na zona com solda escalonada e método de fabricar o mesmo - Google Patents

tubo de aço com alto teor de manganês com resistência à erosão-corrosão na zona com solda escalonada e método de fabricar o mesmo

Info

Publication number
BR112018071993A2
BR112018071993A2 BR112018071993-5A BR112018071993A BR112018071993A2 BR 112018071993 A2 BR112018071993 A2 BR 112018071993A2 BR 112018071993 A BR112018071993 A BR 112018071993A BR 112018071993 A2 BR112018071993 A2 BR 112018071993A2
Authority
BR
Brazil
Prior art keywords
erosion
high manganese
corrosion
fabrication
steel pipe
Prior art date
Application number
BR112018071993-5A
Other languages
English (en)
Inventor
Jin Hyunwoo
Ma Ning
Ozekcin Adnan
J. Wasson Andrew
P. Fairchild Douglas
Han Iiwook
Lee Sangchul
Lee Bongkeun
Lee Jongsub
Original Assignee
Exxonmobil Research And Engineering Company
Posco
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 Exxonmobil Research And Engineering Company, Posco filed Critical Exxonmobil Research And Engineering Company
Publication of BR112018071993A2 publication Critical patent/BR112018071993A2/pt

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/24Selection of soldering or welding materials proper
    • B23K35/30Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
    • B23K35/3053Fe as the principal constituent
    • B23K35/3073Fe as the principal constituent with Mn as next major constituent
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/02Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
    • B23K35/0255Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in welding
    • B23K35/0261Rods, electrodes, wires
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/36Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
    • B23K35/362Selection of compositions of fluxes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/36Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
    • B23K35/368Selection of non-metallic compositions of core materials either alone or conjoint with selection of soldering or welding materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00Arc welding or cutting
    • B23K9/18Submerged-arc welding
    • B23K9/186Submerged-arc welding making use of a consumable electrodes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00Arc welding or cutting
    • B23K9/23Arc welding or cutting taking account of the properties of the materials to be welded
    • 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
    • C22C38/18Ferrous 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
    • C22C38/38Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous 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
    • C22C38/58Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese

Abstract

soldas de aço melhoradas, artigo para fabricar as mesmas, e métodos de fabricar as mesmas são fornecidos. a presente divulgação provê metal de solda resistente à erosão, corrosão e/ou trinca vantajoso. mais particularmente, a presente divulgação provê composições de metal de solda com alto teor de manganês (mn) tendo resistência à erosão, corrosão e/ou trinca realçada, artigos para a produção das composições de metal de solda com alto teor de manganês tendo resistência à erosão, corrosão, e/ou trinca realçada, e métodos para fabricar composições de metal de solda com alto teor de manganês tendo resistência à erosão, corrosão e/ou trinca.
BR112018071993-5A 2016-05-02 2017-05-02 tubo de aço com alto teor de manganês com resistência à erosão-corrosão na zona com solda escalonada e método de fabricar o mesmo BR112018071993A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201662330400P 2016-05-02 2016-05-02
US62/330,400 2016-05-02
PCT/US2017/030691 WO2017192623A1 (en) 2016-05-02 2017-05-02 High manganese steel pipe with step-out weld zone erosion-corrosion resistance and method of making the same

Publications (1)

Publication Number Publication Date
BR112018071993A2 true BR112018071993A2 (pt) 2019-02-12

Family

ID=60157299

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018071993-5A BR112018071993A2 (pt) 2016-05-02 2017-05-02 tubo de aço com alto teor de manganês com resistência à erosão-corrosão na zona com solda escalonada e método de fabricar o mesmo

Country Status (11)

Country Link
US (2) US10493570B2 (pt)
EP (1) EP3452249A4 (pt)
JP (1) JP7220359B2 (pt)
KR (1) KR102266835B1 (pt)
CN (1) CN109070282A (pt)
AR (1) AR108267A1 (pt)
AU (1) AU2017259784A1 (pt)
BR (1) BR112018071993A2 (pt)
CA (1) CA3022964A1 (pt)
RU (1) RU2018141283A (pt)
WO (1) WO2017192623A1 (pt)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2018141283A (ru) 2016-05-02 2020-06-03 ЭкссонМобил Рисерч энд Энджиниринг Компани Труба из стали с высоким содержанием марганца с зоной сварного шва, имеющей чрезвычайно высокую эрозионно-коррозионную стойкость, и способ ее получения
EP3774168A1 (en) 2018-03-30 2021-02-17 Hobart Brothers LLC Tubular wires made from copper coated strip
US10982310B2 (en) * 2018-04-09 2021-04-20 ResOps, LLC Corrosion resistant thermal spray alloy
US10947610B2 (en) 2018-08-21 2021-03-16 Exxonmobil Upstream Research Company Mooring chains comprising high manganese steels and associated methods
CN109385508A (zh) * 2018-12-21 2019-02-26 昆明理工大学 一种用于薄壁管道的低温高锰钢材料的制备方法
CN110273113A (zh) * 2019-07-24 2019-09-24 深圳市富鹏达金属材料有限公司 一种锰合金钢及其制备方法
CN110671553B (zh) * 2019-08-29 2021-08-10 招远市金亭岭矿业有限公司 一种充填回水用管路及其安装使用方法
AU2020394219A1 (en) * 2019-11-27 2022-06-16 Cascade Corporation Connection between forks and hangers on forks
JP7276597B2 (ja) * 2020-12-17 2023-05-18 Jfeスチール株式会社 サブマージアーク溶接用ワイヤおよびそれを用いた溶接継手部の製造方法
CN112853233A (zh) * 2021-01-07 2021-05-28 浙江工业大学 一种高强度及高抗氢脆twip钢制备方法
KR102509889B1 (ko) * 2021-03-25 2023-03-15 현대종합금속 주식회사 내균열성 및 극저온 충격인성이 우수한 전자세 용접 가능한 플럭스 코어드 와이어
WO2023054722A1 (ja) * 2021-09-30 2023-04-06 日本製鉄株式会社 フラックス入りワイヤ及び溶接継手の製造方法

Family Cites Families (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS511659B1 (pt) * 1966-08-03 1976-01-19
US3924091A (en) 1970-08-12 1975-12-02 Nippon Steel Corp Welding method and materials
US3716691A (en) * 1971-04-27 1973-02-13 Allegheny Ludlum Ind Inc Shielded arc welding with austenitic stainless steel
JPS5626694A (en) * 1979-08-14 1981-03-14 Komatsu Ltd Welding metal
JPS5659597A (en) * 1979-10-19 1981-05-23 Daido Steel Co Ltd Filler metal for high-manganese, nonmagnetic steel
JPH0647192B2 (ja) * 1990-07-23 1994-06-22 株式会社神戸製鋼所 サブマージアーク溶接ワイヤ
JP2500817B2 (ja) * 1990-12-12 1996-05-29 株式会社神戸製鋼所 焼結材溶接用溶加材
JPH0724945B2 (ja) * 1991-03-13 1995-03-22 株式会社神戸製鋼所 焼結材のレーザ溶接方法
JP2807566B2 (ja) 1991-12-30 1998-10-08 ポハン アイアン アンド スチール カンパニー リミテッド 優れた成形性、強度および溶接性を有するオーステナイト高マンガン鋼、並びにその製造方法
DZ2532A1 (fr) * 1997-06-20 2003-02-08 Exxon Production Research Co Procédé de soudage d'un métal de base pour produire un assemblage soudé et cet assemblage soudé.
JP4173957B2 (ja) 2001-02-16 2008-10-29 新日本製鐵株式会社 溶接部の疲労強度に優れた鋼板の重ね隅肉溶接方法
US20020134452A1 (en) * 2001-03-21 2002-09-26 Fairchild Douglas P. Methods of girth welding high strength steel pipes to achieve pipeling crack arrestability
JP2003145286A (ja) 2001-11-14 2003-05-20 Kobe Steel Ltd 鋼材のレーザ溶接方法
JP3939563B2 (ja) 2001-11-22 2007-07-04 株式会社神戸製鋼所 鋼材のレーザ溶接用コアドワイヤおよびソリッドワイヤ
JP3884363B2 (ja) * 2002-10-17 2007-02-21 株式会社神戸製鋼所 レーザ溶接用鉄系溶加材
CN1241711C (zh) * 2003-01-22 2006-02-15 哈尔滨工业大学 高锰钢焊接焊条及其焊接方法
JP4265604B2 (ja) 2003-06-10 2009-05-20 住友金属工業株式会社 オーステナイト系鋼溶接継手
JP4560418B2 (ja) * 2005-02-01 2010-10-13 日鐵住金溶接工業株式会社 ガスシールドアーク溶接用フラックス入りワイヤ
US20070051702A1 (en) * 2005-09-08 2007-03-08 Lincoln Global, Inc., A Delaware Corporation Flux system to reduce copper cracking
JP5340014B2 (ja) 2008-07-25 2013-11-13 日鐵住金溶接工業株式会社 低温用鋼のサブマージアーク溶接方法
KR101181214B1 (ko) * 2010-04-22 2012-09-07 고려용접봉 주식회사 동도금된 가스 실드 아크 용접용 플럭스 코어드 와이어 및 이의 제조방법
KR101271974B1 (ko) 2010-11-19 2013-06-07 주식회사 포스코 극저온 인성이 우수한 고강도 강재 및 그 제조방법
JP6016170B2 (ja) * 2011-01-28 2016-10-26 エクソンモービル アップストリーム リサーチ カンパニー 優れた延性引き裂き強度を持つ高靱性溶接金属
CN102218622B (zh) 2011-06-03 2013-09-11 甘肃省机械科学研究院 一种高锰钢堆焊实芯焊丝及其制造方法
US9029733B2 (en) 2012-04-13 2015-05-12 Hobart Brothers Company Systems and methods for tubular welding wire
JP5909143B2 (ja) * 2012-04-13 2016-04-26 株式会社神戸製鋼所 熱延鋼板のmag溶接方法および熱延鋼板のmig溶接方法
RU2014148785A (ru) 2012-05-04 2016-06-27 Сименс Фаи Металз Текнолоджиз Гмбх Бесконтактное измерение положения подвижной фурмы в производстве конвертерной стали
KR101372599B1 (ko) * 2012-07-09 2014-03-10 주식회사 포스코 내마모성이 우수한 고망간강용 용접이음부
WO2014018206A1 (en) * 2012-07-27 2014-01-30 Exxonmobil Upstream Research Company High strength steel weld metal for demanding structural applications
US20140261918A1 (en) 2013-03-15 2014-09-18 Exxonmobil Research And Engineering Company Enhanced wear resistant steel and methods of making the same
KR20150066373A (ko) * 2013-12-06 2015-06-16 주식회사 포스코 내충격성 및 내마모성이 우수한 용접이음부
KR101560899B1 (ko) * 2013-12-06 2015-10-15 주식회사 포스코 고강도와 극저온 충격 인성이 우수한 서브머지드 용접 및 가스메탈 아크 용접용 와이어
KR20150066372A (ko) * 2013-12-06 2015-06-16 주식회사 포스코 내충격성 및 내마모성이 우수한 서브머지드아크용접 및 가스금속아크용접용 용접재료
JP6240778B2 (ja) * 2013-12-06 2017-11-29 ポスコPosco 極低温衝撃靭性に優れた高強度溶接継手部及びこのためのフラックスコアードアーク溶接用ワイヤ
PT3134384T (pt) * 2014-04-23 2019-01-29 Basf Se Processo para a produção de isocianatos em carbonatos de dialquilo como solvente
KR101568642B1 (ko) 2015-09-07 2015-11-12 주식회사 포스코 내충격성 및 내마모성이 우수한 서브머지드아크용접 및 가스금속아크용접용 용접재료
RU2018141283A (ru) 2016-05-02 2020-06-03 ЭкссонМобил Рисерч энд Энджиниринг Компани Труба из стали с высоким содержанием марганца с зоной сварного шва, имеющей чрезвычайно высокую эрозионно-коррозионную стойкость, и способ ее получения
WO2017192621A1 (en) * 2016-05-02 2017-11-09 Exxonmobil Research And Engineering Company Field dissimilar metal welding technology for enhanced wear resistant high manganese steel

Also Published As

Publication number Publication date
CN109070282A (zh) 2018-12-21
RU2018141283A (ru) 2020-06-03
US10493570B2 (en) 2019-12-03
JP2019519374A (ja) 2019-07-11
KR102266835B1 (ko) 2021-06-21
US20170312861A1 (en) 2017-11-02
AU2017259784A1 (en) 2018-10-25
EP3452249A1 (en) 2019-03-13
AR108267A1 (es) 2018-08-01
JP7220359B2 (ja) 2023-02-10
RU2018141283A3 (pt) 2020-06-15
US11883906B2 (en) 2024-01-30
KR20180132953A (ko) 2018-12-12
CA3022964A1 (en) 2017-11-09
US20200086432A1 (en) 2020-03-19
EP3452249A4 (en) 2019-12-18
WO2017192623A1 (en) 2017-11-09

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