... 1.diameter 5~50mm,length: max 58000mm and other sizes 2.material:6000 series / 7000 series 3.surface: powder coated,anodized Aluminum ... Pipe1.Aluminum Pipe ApplicationTent,desk,window,chair,machine and so on2.Aluminum Pipe SizeRound,spuare,oval ... to the customized shape.3.Aluminum Pipe Material6xxx,7xxx and so on4.Aluminum Pipe Surface TreatmentCoated,anodized,embossed, ...