... 0.45-3mm diameter:4-30mm length:2-12m Aluminum alloy Extrusion Tube: 1:Good tensile strength 2:Qualified yield strength ... , ASTM, JIS, DIN, ENcertification ISOthickness0.45-3mmOuter diameter4-30mmgrade1000 and 6000 seriescoloursilver,golden ,black,red, blue. etcsurface treatmentpolished ,anodized, ... , T/TSupply ability1000 tons/monthPackagingExport standard packaging 1070 Aluminum alloy Extrusion Tube