tungsten coated HVOF screw
tungsten coated HVOF screw
HVOF Tungsten Coated Screw
Size:Dia.12-120mm
Length:<3,000mm
Hardness:1000Hv
Hardness Layer:0.3mm

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


无卤应用.jpg

Compare of HVOF & PTA


PTA & HVOF.jpg