ubing is available in a wide range of wall-to-diameter ratios and can be manufactured from Hot rolled/ Cold rolled steel.Manufacturing procedureTubes are manufactured from mild steel strips slitted from Hot Rolled Low Carbon Steel coils. The strip passes through a series of drive forming and fin rolls and takes the required circular shape and is welded continuously by passage of an electric current of high frequency.AdvantagesDue to its excellent workability, scrap loss is minimal.?Due to its u