Just sold a bunch today. Called around a bit to get best price.
Clean painted extruded alum (what windows are made of) . 59/Lb
Dirty (old windows with weatherstrip/sealant, nails/screws) extruded alum . 50/lb
Clean roll formed alum (what screen frames are made of) . 54/lb
Alum cans (this place no difference crushed/uncrushed some places . 04-. 05 less uncrushed) . 46/lb
Copper was not posted on sign so no idea on that.
But couple other ones were tin 4. 50/100lb(not 100% on this) short steel 5. 50/100lb long steel 4. 75/100lb