High Frequency Welded Auto Water Tank Aluminum High Frequency Welded Auto Intercooler Aluminum Tube Material:3003,4343/3003/7072 Wall Thickness(mm):0.28-0.38mm state:H14 Advantages of TaiAlu HF frequency welded aluminum tubes 1.High quality brightness finish and aesthetics, anti-corrosion, anti-oxidation. 2.Very tight tolerance levels on diameter, thickness and length, tidy and smooth section, no burr. 3.A variety of strong alloys with specific properties offered 4.Excellent weight - strength ratio: thin tubes with extremely high mechanical values, high strength, good toughness. 5.Smooth and reliable processing. Radiator tubes can be custom-made to meet your special requirements. 6.Embossed patterns are possible for aesthetic or functional use 7.100% recyclable product 8.The weld is always 100% Eddy Current inspected