... KW40m X 2.5mYCG-10010060114-2191.0-5.0Before22 KWAfter22KW43m X 3.0mMachinery main components: open-book machine, forming welding machine, grinding machine, two sizing ... ,347H,etc As the mature technology of stainless steel welded pipe, seamless pipe has been replaced in many areas, such as chemical ...