... on extremely smooth inner and outer surfaces. Temper:O Thickness:customized Specifications1.aluminum oval tube2.1000, 3000,5000,6000, materails ... O,F, H112,T4,T5,T6, etc.6.Finish: Customized, such as anodize, mill, powder coating...on the oval ... outer:6- 500 mmThickghass: 0.4 -50 mmCustomized lengths are acceptedASTM, BS AND EN STANDARD and customer standardApplicationIndustrial application: various ...