... ,wear-resisting and corrosion-resisting aluminum tubes.used for aviation,spaceflight,petroleum, high-precision hard aluminium tubes, used for ... aviation,spaceflight,petroleum,military industry, new energy,heavy industry of particular territory. Designation and temper list of tubes ... O6061 6A02O T4 T66063O T6Note: The designations and tempers of alloys,are not listed in the ...