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Cobalt Base Alloy
Cobalt Base Alloy
Cobalt Base Alloy
Cobalt Base Alloy
Cobalt Base Alloy
Cobalt Base Alloy
Cobalt Base Alloy
Brand: KF-3321 ...
Particle Size: -140 +325 mesh
Type: - Gas atomized

  • High temperature pressure valves, saw teeth, extrusion screws

  • Similar to St12

  • Good wear resistance in high temperature

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Description
Cobalt chromium tungsten alloy powder can resist all kinds of wear and corrosion and high temperature oxidation of cemented carbide. With cobalt as the main component, it contains a considerable amount of chromium, tungsten and a small amount of nickel, aluminum, silicon, carbon, niobium, tantalum and other alloy elements.
Specification
Brand  Product Name  Chemistry (wt%) Hardness  Temperature  Properties & Application 
Cr W C Ni Si B Mo Co
KF-331 CoCrMoSi 8 　 　 　 2.6 　 28 Bal. HRC 54 ≤ 840ºC

•Wear resistance, scratch resistance 

•Corrosion resistance                           
•Bearings, brake valves, bushings, cams, blades
KF-333 CoCrMoSi 17.5 　 　 　 3.4 　 35 Bal. HRC53 ≤ 840ºC

•Wear resistance, scratch resistance 

•Corrosion resistance                           
•Bearings, brake valves, bushings, cams, blades
KF-332 CoCrWCNiSi 25 7.5 0.8 10 1 　 　 Bal. HRC 30 ≤ 840ºC •Valve seat                                      
•Bearing                                 
•Blade 
•Similar to St1
KF-3321 CoCrWCNiSi 30 4 1.5 3 1.4 　 4 Bal. HRC45 ≤ 840ºC

•PTA, APS, HVOF, laser cladding,  spherical

•High temperature pressure valves, saw teeth, extrusion screws

•Similar to St12  
•Good wear resistance in high temperature
KF-3322 CoCrWCNiSi 30 4.5 1 3 1.4 　 　 Bal. HRC 40 ≤ 840ºC

•PTA, APS, HVOF, laser cladding,  spherical              

•Engine valves, high temperature pressure values, turbo engine blades  

•Similar to St6

•Good wear resistance in high temperature
KF-3323 CoCrWCNiSi 28 　 0.25 3 1 　 5.5 Bal. HRC55 ≤ 840ºC

•Turbine blades

•Fluid valves

•Valve seat  
•Similar to St21
KF-3324 CoCrWCNiSi 25.5 7.5 0.5 10.5 1 　 　 Bal. HRC 30 ≤ 840ºC

•Extrusion molds

•Gas turbine blades   
•Similar to St31
KF-3325 CoCrWCNiSi 21.0 5 0.1 1 1.6 2.4 　 Bal. HRC50 ≤ 840ºC

•PTA, APS, HVOF, laser cladding,  spherical             

•High temperature wear resistance                             

•Motorcycle valves   
•Similar to C050

•Self-fluxing  
•Good wear resistance in high temperature

 

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