name:aluminium disc alloy:1060,1100,3003 etc tempter:H16,H18,H24,O thickness:0.42mm~5mm Aluminum discThe aluminum circles ... 1250mm ,Alloy number 1060 ,1100, 3003, temper H24, H16 of H18, OExtrusion circlesThickness range from 1.0mmto 5.0mm, diameter 30mm ... ,3003 and other alloys, the temper of H22, O, of H18 Used to the process of stretching, spinning, etc., can produce ...