i usually just throw all my aluminum in one bucket. but this time i have a lot of cast aluminum. do you guys separate your normal aluminum from the cast aluminum? is there any other grades of aluminum that i should look out for?
Extrusions ( shapes ) are generally in the 6xxx series
diamond plate is 3003
smooth plate mill finish can cover a wide range but good quality stuff is 5052
as the number goes up the formability goes down, so the 3xxx stuff will bend easy and not crack in general fabrication.