... Led street lamp and have aluminium anode led street lamp radiator Material: aluminium 6061 or 6063 aluminium radiator for Led street lamp and have ... , sandblasting,painting , so on. 2, Typical chemical composition (GB/T3190) Aluminium GradeSiFeCuMnMgCrZnTiimpurityAl60630.2-0.6<0.35 <0.1 <0.1 ...