Cemented Carbide

Range of grades from Saar-Hartmetall


- Over 30 different standard carbide grades
- binder contents from 6% by weight to 30% by weight.
- Hardness from 600 HV30 to 1800 HV30
- Different binder compositions: Co / Ni / CONI
- Grain sizes from very fine to extra coarse
- Development of carbide grades according to customer requirements (tailored tungsten carbide grade)
- Cutting grades with medium to high TiC, TaC, NbC contents - Schneidsorten mit mittleren bis hohen TiC-, TaC-, NbC-Gehalten

 

WC grain size classification

 

NanoUltrafineSubmicronFineMediumCoarsExtra coarse
< 0,20,2 – 0,50,5 – 0,80,8 – 1,31,3 – 2,52,5 – 6,0> 6,0

 

grain size: extra coarse
binder content: 10-15% by weight

 

 

 

grain size: coarse

binder content: >20% by weight

 

 

 

grain size: medium to coarse
binder content: 10-15% by weight
high TiC-, TaC-, NbC contents

 

 

grain size: medium
binder content: < 10% by weight

 

 

 

grain size: submicron
binder content: <10% by weight

 

Overview Cemented Carbide Grades Saar-Hartmetall