curved aluminum pipe 6000 series T3-T8 anodized,sand blasted,powder coated,etc drilling,bending,punching,milling,etc Aluminum Extrusion Pipe1.High quality guaranteed ... in construction,decoration and industry.3.Various kinds of materail aluminum alloy such as 6061,6063,etc.4.Various in size ... ,style:aluminum profile,flat bars,angles,square,bars,T-profile and U ...