Grade Comparison Chart
Tungsten Heavy Alloy Grade Comparison Chart
ASTM B777 AMS-T-21014 Class |
Federal Carbide |
Mi-Tech Metals |
ATI |
CMW |
Kulite Tungsten |
Mallory |
Midwest Tungsten |
| Magnetic | |||||||
| Class 1 | HA170 |
HD 17D HD 17BB |
SD170 |
CMW 3000 |
K1700 |
M3000 |
MT-17 |
| Class 2 | HA175 |
HD 17.5 |
SD175 |
. |
K1750 |
. |
MT-175 |
| Class 3 | HA180 |
HD 18D |
SD180 |
CMW 3950 |
K1800 |
M3950 |
MT-18F |
| Class 4 | HA185 |
HD 18.5 |
SD185 |
CMW 3970 |
K1850 |
. |
MT-185 |
| Non-Magnetic | |||||||
| Class 1 | HA170C |
HD 17 |
Dens21 |
CMW 1000 |
K1701 |
M1000 |
MT-17C |
| Class 2 | . |
. |
Dens23 |
. |
. |
M3925 |
. |
| Class 3 | HA180C |
HD 18 |
Dens25 |
CMW 2000 |
K1801 |
M2000 |
MT-18C |
The classification of the commercial tungsten alloy grades in the chart above is based on public information provided by the grade manufacturer and is subject to inaccuracies or change.