Grade Chart

The Dymet Alloys tungsten carbide grade chart illustrates the range of standard Cobalt and Nickel binder grades which are available together with information on the basic material composition and where applicable, the appropriate ISO application codes.

Additional and special tungsten carbide grades are available upon enquiry.

Dymet Grade
Number
Average Grain Size ISO
Code
Composition % by weight Trans Rupture
N/mm
Vickers Hardness
HV30
Density
g/cm
WC TiC TaC Cr3C2 Co Ni
DF3 0.8 K01 96.7     0.0 3.0   1400 2000 15.25
D100 1.0 K01/05 85.3 4.0 5.0 0.7 5.0   1600 1900 13.5
DF6 1.0 K10 92.7   1.0 0.3 6.0   1800 1750 14.9
DM6 2.0 K20 93.0   1.0   6.0   1900 1600 14.9
DC7 4.5 K30 93.0       7.0   2200 1450 14.8
D10 3.5 K40 90.0       10.0   2400 1350 14.5
D13 3.5   87.0       13.0   2500 1250 14.2
D15 3.5   85.0       15.0   2550 1200 14.0
D17 3.5   83.0       17.0   2600 1150 13.9
D20 3.5   80.0       20.0   2700 1000 13.5
D25 3.5   75.0       25.0   2800 925 13.0
DC10 5.5   90.0       10.0   2450 1250 14.5
DC16 5.5   84.0       16.   2600 1050 13.95
DF10 0.8 M30 89.5     0.5 10.0   2000 1600 14.5
DF15 0.8   84.7     0.3 15.0   2400 1350 14.1
DN6 2.0   94.0         6.0 1700 1550 14.85
DN10 2.0   90.0         10.0 2000 1250 14.5
DS1 1.5 P10 71.5 17.0 4.0   7.5   1400 1650 11.0
DS2 1.5 P20 78.0 9.0 4.0   9.0   1700 1600 12.4
DS3 3.0 P30/P40 78.5 3.0 8.0   10.5   2000 1400 13.5