Aluminum alloy supporter for lithographic printing plate.

摘要

An aluminum alloy supporter for lithographic printing plate comprising 0.05 to 0.5 wt. % of Fe, 0.l to 0.9 wt. % of Mg, 0.0l to 0.3 wt % of V and/or Ni, not more than 0.2 wt. % of Si, not more than 0.05 wt. % of Cu and the remainders of Al and inevitable impurities is disclosed. In addition, 0.0l-0.3 wt % of Zr and/or 0.05-2 wt. % of Mn may be contained.