Sintering broken:-250+325mesh -325+500mesh Reunion granulating:45-15um 30 -5um Co : 9~11% Cr: 3~5% Fe : max 0.3% C : 5~6%
Chemical composition:Co : 9~11% Cr: 3~5% Fe : max 0.2% C : 5~6% O: max 0.2% W: balance
Characteristics and application:
HVAF HVOF APS .Small, medium grain gize tungsten carbide .The highest working temperature 500 °C .Alternative hard chromium .Cobalt chromium lattice resistance to corrosion and abrasion resistance high than cobalt lattice .Used in Aqueous solution and moisture corrosion environment .Have good microstructure and higher bond strength of smooth coating .Mainly used for turbine blade, hydropower turbines, pump parts, paper roller, gate valves, ball valves, hydraulic cylinder, compressor shaft, etc. .Near proteetion in corrosive solutions for mills in the paper manufacturing chemical fiber and industry
Powder morphology and coating:
choose my company powder using HVOF sprayed ,coating to achieve the effect:
Tungsten carbide powder WC-10%Co-4%Cr
