发明名称 ZN ALLOY PLATED STEEL TUBE HAVING EXCELLNT CORROSION RESISTANCE AT WELDED PART AND METHOD FOR MANUFACTURING THE SAME
摘要 Disclosed are a molten Zn alloy plated steel tube, and a method to manufacture the same. According to an aspect of the present invention, provided is the molten Zn alloy plated steel tube manufactured by pipe welding a steel plate on which a molten Zn alloy plated layer is formed, wherein an external surface bead width of a welded part formed by the pipe welding is equal to or less than 1 mm (excluding 0 mm).
申请公布号 KR20160077421(A) 申请公布日期 2016.07.04
申请号 KR20140186741 申请日期 2014.12.23
申请人 POSCO 发明人 WOO, IN SU
分类号 B21C37/08;B23K26/282;C23C2/06 主分类号 B21C37/08
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