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公开(公告)号：EP3710823A1
公开(公告)日：2020-09-23
申请号：EP18801096.1
申请日：2018-10-19
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公开(公告)号：EP3914416A1
公开(公告)日：2021-12-01
申请号：EP20704663.2
申请日：2020-01-10
IPC分类号： B23K26/08 , B23K26/144 , B23K26/34 , B23P6/04
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公开(公告)号：EP3710824A1
公开(公告)日：2020-09-23
申请号：EP18801097.9
申请日：2018-10-19
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4.发明公开WELD METAL COMPOSITIONS FOR JOINING STEEL STRUCTURES IN THE OIL AND GAS INDUSTRY 审中-公开堆焊金属组合物钢结构在石油和天然气工业CONNECTION
公开(公告)号：EP2197622A2
公开(公告)日：2010-06-23
申请号：EP08832615.2
申请日：2008-09-18
发明人： AYER, Raghavan , THIRUMALAI, Neeraj, S. , LILLIG, Daniel, B. , FORD, Steven, J. , FAIRCHILD, Douglas, P.
IPC分类号： B23K35/30 , B23K35/32 , B23K101/04
CPC分类号： B23K35/325 , B23K35/3026 , B23K35/3033 , B23K35/3046 , B23K35/3053 , B23K2201/10 , B23K2201/12 , B23K2203/04 , B23K2203/05 , B23K2203/14 , Y10T428/12014 , Y10T428/12493 , Y10T428/12951 , Y10T428/12972
摘要： Provided are metal structures and methods of forming such structures for use in oil, gas and/or petrochemical applications that are joined with non- ferrous or high alloy weld metal compositions or a high alloy weld metal compositions. The welded metal structures include two or more segments of ferrous or non-ferrous components, and fusion welds, friction stir welds or a combination. The resultant welded structures exhibit improvements in fatigue resistance, toughness, strain capacity, strength, stress corrosion cracking resistance, and hydrogen embrittlement resistance compared to traditional iron- based weld compositions. The structures and methods of forming such structures are advantageous in joining metal components in applications for natural gas transportation and storage, oil and gas well completion and production, and oil and gas refinery and chemical plants. Weld metals may include Inconel 625, Ti64, stainless steels, marging steels, precipitaion hardening steels.
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