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ERW Welded Pipe Production Line

We are specialized in designing and manufacturing ERW pipe making machine, high speed precision pipe mill, API pipe mill,cold rolled open section steel production line,stainless steel welded pipe making mahcine,slitting line,etc.

ERW Welded Pipe Production Line

some feathers of erw square welded pipe production line :
Gear quenching depth is deep;
after quenching, it has gear grinding treatment
After welding, machine rack structure pieces have temper treatment to eliminate internal stress, to ensure there is no transformation during use-age.
Our moulds are forge pieces, all treated by vacuum quenching furnace.
The quenching depth is deep, and it has longer service life, which could be grinded more than 10 times.

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