... ,T4-T8 Name: Aluminum tubes and Seamless aluminum tubes.Key sepcial features:Alloy :2011,2017,2024,6061,6063,7075,7A04 and 7A09Process of ... ,1200O,H112,H14,H18,F6-500(Max)>=0.410-120002xxx2A11,2A12,2014,2024,2007O,T4,T42,T6,T626-500(Max)>=0 ... ,7A09,70750,T6,T62,T736-500(Max)>=0.410-12000 aluminum tubes