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发明公开
CN107000104A 用于焊接带有轧制氧化皮的工件的系统和方法 有权

用于焊接带有轧制氧化皮的工件的系统和方法
摘要：
本发明概括地涉及气体保护金属极电弧焊接(GMAW)，更具体地涉及带有轧制氧化皮的钢工件的金属芯电弧焊接(MCAW)。公开了一种金属芯焊丝，该金属芯焊丝包括鞘和芯，能够在没有预先去除轧制氧化皮的情况下焊接带有轧制氧化皮的工件。金属芯焊丝具有按金属芯焊丝的重量计占约0.04％至约0.18％的硫源，并且具有按金属芯焊丝的重量计占约0.09％至约0.54％的纤维素源。
摘要（英）：

This disclosure relates generally to Gas Metal Arc Welding (GMAW) and, more specifically, to Metal-cored Arc Welding (MCAW) of mill scaled steel workpieces. A metal-cored welding wire, including a sheath and a core, capable of welding mill scaled workpieces without prior descaling is disclosed. The metal-cored welding wire has a sulfur source that occupies between approximately 0.04% and approximately 0.18% of the weight of the metal-cored welding wire, and has a cellulose source that occupies between approximately 0.09% and approximately 0.54% of the weight of the metal-cored welding wire.

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