| 摘要 |
PROBLEM TO BE SOLVED: To provide an extruded heat-conducting tube for heat-exchanger and a manufacturing method therefor with which a corrosion-resistance and the extrudability, are made to be good.SOLUTION: An extruded heat-conducting tube is composed of an aluminum alloy comprising by mass% of 0.3% to <0.8% Mn, >0.1% to <0.32% Si, ≤0.3% Fe, 0.06 to 0.3% Ti and >2.5 the ratio of the Mn content to the Si content (Mn%/Si%) and the balance Al with inevitable impurities, and Zn or a layer containing Zn is arranged on the outer surface. |
