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LSAW Pipes Manufacturing Process


Such as large caliber straight double submerged arc welding joints uses the most advanced domestic hydraulic bending process, the bending process, the bending machine is duplex structure, maximum length up to 16m, the pressure of 1600 tons, single-equipment weighing about more than 400 tons, machinable diameter of 325-2150mm and wall thickness 6- 30 mm of ordinary and special steel pipe, the products undergo a number of processes to the American Petroleum Institute standards, just like bending, perfect fitting of seams, within welding, the welding, straightening, ending facing process etc., it is large pipeline project, water gas project, city pipeline building the best choice.


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