... 1,aluminium alloy heat sink 2,heat sink profile and radiator aluminum 3,with machiningcustomer demand aluminium heat sink aluminium alloy ... in 6000 grade,Such as 6063,6061.other alloy uponcustomer’s requirement,like Special Al alloy-1060,1070,2011,2017,2021 ... ,2(2001) and american standard AAMA611-98.5,OEM. Computer Radiator for Aluminium