1.aluminum pipe 2.1000,3000,5000,6000 materials, more normal alloy 3003, 6061,6063. 3.Diameter: outer:1- 650 mm, or 8",10" big or large diameter aluminum tube and pipeIndustry Aluminum pipes and Seamless aluminum tubes.Key sepcial features:Alloy :1060,1100,2011,2017,2024,3003,5052,5083,5754,6061,6063,7075,7A04 and 7A09Process of cold drawn is available seamlessTemper: O,F, H112,T4,T5,T6, and ...