aluminum profile extrusion 1.6061,6063,T5/T6 2.glossy silvery,black,golden,champange,bronze... 3.surface treatment available Features of aluminum extrusion pipe,aluminum profile 1. Material : Al 6061,6063 2.Temper : T4,T5,T6 3. Applied for window, door, curtain wall and other architectural purpose 4. Surface treatment: mill finish, anodized, powder coating, electrophoresis,ect. 5 Packing: epe ...