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发明公开
CN102114581A 用于油船货油舱的气体保护焊丝 有权

用于油船货油舱的气体保护焊丝
摘要：
本发明公开了一种用于油船货油舱的气体保护焊丝，所述气体保护焊丝按质量百分数计包含：C 0.01-0.15％、Si 0.1-1％、Mn 1-2％、P≤0.015％、S≤0.012％、Ni 0.1-1％、Cu 0.1-1％、0＜Cr≤0.1％、Ti 0.01-0.25％、0＜Al≤0.1％，余量为铁及其它不可避免的杂质。根据本发明的用于油船货油舱的气体保护焊丝即使在原油的腐蚀环境下也具有优良的耐均匀腐蚀和耐点蚀性能，同时焊缝还具有良好的力学性能。
摘要（英）：

The invention discloses a gas shield welding wire for an oil cargo tank of an oil tanker, which comprises the following components in percent by mass: 0.01-0.15 percent of C, 0.1-1 percent of Si, 1-2 percent of Mn, not more than 0.015 percent of P, not more than 0.012 percent of S, 0.1-1 percent of Ni, 0.1-1 percent of Cu, more than 0 and not more than 0.1 percent of Cr, 0.01-0.25 percent of Ti, more than 0 and not more than 0.1 percent of Al and the balance of iron and other unavoidable impurities. The gas shield welding wire for the oil cargo tank of the oil tanker has excellent uniform corrosion resistance and corrosive pitting resistance even in a crude oil corroding environment; and a weld joint has better mechanical property.

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