Aluminum profile 1.allpy:1060,6a02, ... the intensity demand of general structure 6063 ,High plasticity alloy, it is effectual to oxidize, ... d 1.0 ≤ d -- 1.0 ≤ d Quality standardGenerally based on product use,1.GB/T6892-2000 " ... for architecture Part 2: Anodizing, color profiles"3, GB5237.6-2004 "aluminum alloy extruded profiles for architecture Part 6: thermal barrier profiles " Window and Door Aluminium ...