About HVOF Screw
HVOF screw is to coat tungsten carbide on the screw full surface by high velocity oxygen fuel sprayed. There are certain options for the alloy been used for different application of wear. As long as the coating is intact, it can provide superior protection from abrasion & corrosion. But in case of crack on coating surface, it can rapidly wear off.
Application Field
Compare of HVOF & PTA