SV Trade has diversified into supplying & Exporting of Carbon Steel High Frequency Welded (HFW) / Electric Resistance Welded (ERW) Pipes. HFW pipes are made from hot rolled flat steel strip, formed into tubular shape and the longitudinal seam is welded by the application of heating the edges through High Frequency Induction coil and by squeezing the edges. The weld joint is achieved without addition of any filler metal. High Frequency Welded (HFW) Pipes / Electric Resistnce Welded (ERW) Pipes