curved aluminum pipe 6000 series T3-T8 anodized,sand blasted,powder coated,etc drilling,bending,punching,milling,etc Aluminum Extrusion Pipe1.High quality ... customize our extrusions according to your specific requirements by cutting, punching, drilling, chamfering, bending, stamping, CNC milling and lathing.6.You ... anodizing, powder coating, painting and silkscreen printing,etc. curved aluminum pipe