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    • 10. 发明专利
    • Metal powder-filled welding wire for electroslag welding
    • 用于电焊焊接的金属粉末填充焊丝
    • JP2011152579A
    • 2011-08-11
    • JP2010016925
    • 2010-01-28
    • Nippon Steel Corp新日本製鐵株式会社
    • HASEGAWA TOSHINAGANAKAMURA SHUICHIKIMOTO ISAMU
    • B23K35/30B23K25/00
    • PROBLEM TO BE SOLVED: To provide a metal powder-filled welding wire in which filled flux is made of metal powder and/or alloy powder and which enables weld metal to have an absorbed energy at 0°C of 70 J or higher in 2 mm V notch Charpy impact test, in non-consumable nozzle type electroslag welding. SOLUTION: The alloy compositions of an outer skin made of steel and the whole of a welding wire are optimized, then, the content of Al in the welding wire is limited to ≤0.030%, also, Ti and Mg are made to satisfy [Mg]+[Ti]/5=0.020 to 0.30%, and also the filling ratio of the metal powder is 5-20% by mass% to the whole of the welding wire. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种填充焊剂由金属粉末和/或合金粉末制成的金属粉末填充的焊丝,并且使得焊接金属在0℃下的吸收能量为70J或更高 在2 mm V的缺口夏比冲击试验中,在非消耗型喷嘴型电渣焊中。

      解决方案:优化由钢制成的外皮和整个焊丝的合金组成,然后将焊丝中的Al含量限制在≤0.030%,并且将Ti和Mg制成 满足[Mg] + [Ti] /5=0.020〜0.30%,金属粉末的填充率相对于焊丝整体为5〜20质量%。 版权所有(C)2011,JPO&INPIT