Material
Carbide+Alloy
WCCo
CrC-NiCr
Heat-treatment:
spray coating Bimetallic-alloy,Build-up welding, Centrifugal casting
The company uses special alloy powders being sprayed and welded on the screw's ridge, and uses different alloys and welding methods for the screw of different functions.
The company uses special alloy powders being sprayed and welded on the screw's ridge, and uses different alloys and welding methods for the screw of different functions.