For sale are 4 sheets of Alcoa 6013-T4 aluminum measuring 48" wide, 72" long, and 0.032" thick .. surplus from another project. This is a hard-to-find, premium grade weldable material. It is more formable in the -T4 temper. After forming and/or welding, you can artificially age it up to -T6 temper in an oven.. ~350 F. 6013-T6 is significantly higher in yield & ultimate strength than 6061-T6 .. it's comparable in strength to 2024-T3, yet tougher and more corrosion resistant. See manufacturer's spec sheet & pictures below. Will sell all 4 sheets for $400. Buyer pays shipping, or can pick up in Salt Lake City area.