3105 Aluminum


This is an essentially 98% pure aluminum alloy with minor additions for strength. It is not hardenable by heat treatment. Corrosion resistance, formability and welding characteristics are excellent.


Commonly used in the manufacture of residential siding, mobile homes, sign making, rain carrying goods and sheet metal work.


ASTM B209, B744, B745
AA 3105, 3105A
UNS A93015

Available Forms

  • Sheet