When the steel tube is manufactured by ERW piep mill , the steel tube will be stacked into the bundle  by manual or automatic stacking machine .  there are some water inside of the steel tube .

How to drain the water inside of the tube  is a proble that should be solved for any steel tube manufacturer 

As a manufacturer of ERW pipe mill , Sanso machinery  would like to provide the solution to any steel tube manufacturer .

Solution 1.  tilt the tube bundle one end by a wooden strip , the water will be drainged from the tube

Solution 2:Weld a frame at a 30--45 degree angle using steel pipes. and place the steel tube bundle on the frame ,the water will be drained from the tube