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            Hebei Haiqianwei Steel Pipe Co.,Ltd,  uses the most advanced technology of JCOE LSAW steel pipe manufacture in the world wide, specialized in producing heavy calibre LSAW steel pipe. The product line adopts PID automatic controlling continuous J-C-O forming technology, and the advantages of the product line are as below: high speed, high quality, low stress distribution, and low tolerance of size.
            The equipment can change mould quickly and simply, produce wide range of specifications, which is specialized in producing Longitudinal Submerged Arc welding Pipeline of outside diameter from 406.4mm to 1422.4mm ,wall thickness from 6m to 50m,unit length from 3m to 12.5m,steel grade could be simple carbon steel, special type steel and low alloy steel ,the steel grade could be up to max X80 .it is able to manufacture 150,000 tons per year.
            The products are widely applied to many fields such as petroleum pipeline, natural gas pipeline, urban pipe network, mines pipeline, Coal Water Slurry pipeline, and construction pipe for high voltage, wind power, bridges, high-speed rail steel construction etc.