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We offer high frenquency welded H beams, which is for thickness less than 10mm, and sub-merged arc welded H beams, which is for thickness more than 10mm. Steel Quality: Q235 and Q345 or as per customers' request. Length: As per customers'request. Package: Depends on size. High frenquency welded H beams is widely used as girders in the steel structure projects. Compared with hot-rolled H beams, high frenquency welded H beams is much lighter and thus saves cost, but with the same performance of hot-rolled beams.