Straight seam high-frequency welded steel pipe refers to the steel pipe manufactured by bending steel strips or steel plates into shape and then using high-frequency welding. Straight seam high-frequency welded steel pipes are currently the most widely used type of welded steel pipes.
    The products are widely used in the transportation of low-pressure fluids such as water, gas, air, oil and steam, as well as in mechanical structures, and are also used as raw material pipes for hot-dip galvanized steel pipes.
    By the end of 2022, Youfa Group had a total of 154 production lines for straight seam high-frequency welded steel pipes. In 2022, it produced a total of 12.8053 million tons of straight seam high-frequency welded steel pipes (round pipes, square and rectangular pipes).
    The First Branch of Youfa Group has 9 straight seam high-frequency welded steel pipe production lines, with an annual production capacity of 1.35 million tons of straight seam high-frequency welded steel pipes.