Electric Resistence Welded Pipes

RATNAMANI has diversified into manufacturing of Carbon Steel High Frequency Welded (HFW) / Electric Resistance Welded (ERW) Pipes with an annual installed capacity of 150,000 MT. 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.