Application:
Be used for hard surfacing and spraying of wear-resistant parts in mining and oil drilling.
Cemented Carbide Pellets Specification
Level 1 Level 2 Level 3 Level 4 Level 5 Level 6 Level 7
≥180(80) - <250(60) ≤10            
≥250(60) - <355(40) ≥85 ≥10          
≥355(40) - <560(30) ≤5 ≥85 ≤10        
≥560(30) - <850(20)   ≤5 ≥85 ≤10      
≥180(80) - <1700(10)     ≤5 ≥85 ≤10    
≥1700(10) - <3350(6)       ≤5 ≥85 ≤10  
≥3350(6) - 4750(4)         ≤5 ≥85 ≤10
≥4750(4) - <8000(2.5)           ≤5 ≥85
≥8000(2.5)             ≤5
Cemented Carbide Pellets Chemical Composition
Sort Grade Chemical Composition (%)
Cobalt, Co Titanium Carbide, TiC Tungsten Carbide, WC
Tungsten Carbide / Cobalt Alloy YQ01 7.5-10.0 ≤0.6 Balance
YQ02 5.0-7.5 ≤0.6 Balance
YQ03 3.0-5.0 ≤0.6 Balance
Tungsten Carbide / Titanium-cobalt Alloy YQ11 7.0-8.5 15.0-18.8 Balance
YQ12 8.5-10.0 7.5-10.0 Balance
Physical, Mechanical Properties and Microstructure
Sort Grade Physical, Mechanical Properties Microstructure
Density Load ≥ 100 gHV Porosity ≥ Microstructure
Tungsten Carbide /
Cobalt Alloy		 YQ01 13.70-14.75 1140 A04B04C04 No η phase,
No cobalt pool
YQ02 13.95-15.00 1300 A04B04C04
YQ03 14.25-15.15 1400 A04B04C04
Tungsten Carbide /
Titanium-cobalt Alloy		 YQ11 10.60-11.90 1350 A04B04C04
YQ12 11.90-13.55 1300 A04B04C04