name:aluminium disc alloy:1060,1050,3003 etc tempter:H16,H18,H24,O thickness:0.42mm~5mm Aluminum circles The aluminum circles produced ... diameter from 160mm to 1250mm ,Alloy number 1060 ,1100, 3003, temper H24, H16 of H18, OExtrusion circlesThickness range from 1.0mmto ... to 200MM including1060,1100,3003 and other alloys, the temper of H22, O, of H18 Used to the process of stretching, spinning ...