aluminum plate comes in 6061-t6 and 3003-h14 alloys. 6061 aluminum plate is a harder, more machinable aluminum. it is the workhorse of heat-treat alloys. uses include the production of sailboats, canoes, truck and bus bodies, scaffolding, transmission towers, mine skips, furniture, chemical and marine equipment, and hardware.
3003 aluminum plate is a softer, more formable aluminum (when drilled and tapped, is like chewing gum). it also offers good weld