... of ordinary material6A02T6 , 6063T5 , 1060F , 6005T5 , 6063T6 1060 ,Pure aluminium of ordinary industry 6A02 , Medium-sized intensity alloy,good plasticity ... Part 1, Substrate "3.GB5237.2-2004 "aluminum alloy extruded profiles for architecture Part 2, Anodizing, color profiles"4. ... Part 1: Substrate”2, GB5237.2-2004 "aluminum alloy extruded profiles for architecture Part 2: Anodizing, color profiles"3, ...