| 摘要 |
PURPOSE: An aluminum alloy sheet for a print plate and a manufacturing method thereof are provided to control the generation of a un-etched portion and obtain the uniformity of a surface after an electrolytic roughening treatment. CONSTITUTION: An aluminum alloy sheet for a print plate contains 0.03 to 0.15wt.% of Si, 0.2 to 0.6wt.% of Fe, 0.005 to 0.05wt.% of Ti, and 0.005 to 0.10wt.% of Ni. An aluminum alloy sheet contains at least one being selected among 0.005~0.05wt.% of Mn, Mg 0.005~0.05wt.% of Mg, and 0.005~0.05wt.% of Cu and the rest of the aluminum alloy sheet is composed of Al and inevitable impurities. The aluminum alloy sheet is manufactured by a cold rolling having no intermediate annealing.
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