ERW720 high frequency longitudinal welded pipe production line / pipe making machine / tube mill is designed to produce welded pipes of 355mm-720mm in OD and 6.0mm-22.0mm in wall thickness, as well as corresponding square and rectangular pipe.
Products: architectural structure tubes, API pipes and other products.
√ China's largest straight seam welded pipe production line
√ Apply to high strength steel and big thickness
√ Raw material can be steel coil and single plate
√ ZTF forming process save roller up to 60%
√ With direct square forming technology, one set of roller can produce all pipe sizes
√ Electric control and automatic adjustment, high precision,high roller change speed