... ,LTF21 Temper:T4,T5,T6,O-H112 aluminum tube for industry and constructionMaterial:6060,6063,6065,LTF21Temper:T4,T5,T6,O-H1122 ... , Aluminium alloy 6063 also corresponds to the following standard designations and specifications: AA6063Al Mg0.7SiGS10AlMgSi0.5A-GS3.32206ASTM B210ASTM B221ASTM B241 ... >3.2-2526024010 very big or small aluminum tube for industry and construction