Aluminium Flat Tube For Radiators, Water - Coolers, Oil - Cooler, Condensers Alloy: 1050, 1100, D97, 3003, 3102, etc ... : 0.2mm~0.5mm Surface: Mill finish Main Application: Radiators, water - coolers, oil - cooler, condensers, etc. MOQ: 3 Tons/Per size Packaging ...