Aluminum Window Material grades: Aluminium Alloy Finish: Anodize, Anodized,Polished, Powder coated Aluminum Window Material grades: Aluminium Alloy, ... alloy 6061, 6063,A356,A380,ADC12, extrusions,bars,ingots.Finish: Anodize, Anodized,Polished, Powder coated,Powder coating,chemical conversion etc.Remarks ...