Electrical transport wire made of an aluminum alloy, having high electrical conductivity

An electrical transportation wire made of aluminum alloy, wherein said electrical transportation wire comprises:

• aluminum,
• from 0.2% to 0.6% by weight of zirconium and
• from 0.25% to 0.4% by weight of iron,
• from 0.12% to 0.35% be weight of copper, and
• unavoidable impurities, said unavoidable impurities including Mn and Si, and
• wherein said alloy comprises at least 80 parts by weight of zirconium in the form of precipitates Al3Zr per 100 parts by weight of zirconium in said aluminum alloy,
• wherein the aluminum alloy has at most 0.08% by weight of Mn and at most 0.08% by weight of Si, and
• wherein said alloy has an electrical conductivity of at least 57% IACS, and
• wherein said electrical transportation wire comprises, at the surface, a porous layer of alumina hydroxide.