Ferrotungsten
Grade | FeW 8OW-A | FeW80-B | FEW 80-C |
W | 75%-80% | 75%-80% | 75%-80% |
C | 0.1% max | 0.3% max | 0.6% max |
P | 0.03% max | 0.04% max | 0.05% max |
S | 0.06% max | 0.07% max | 0.08% max |
Si | 0.5% max | 0.7% max | 0.7% max |
Mn | 0.25% max | 0.35% max | 0.5% max |
Sn | 0.06% max | 0.08% max | 0.1% max |
Cu | 0.1% max | 0.12% max | 0.15% max |
As | 0.06% max | 0.08% max | 0.10% max |
Bi | 0.05% max | 0.05% max | 0.05% max |
Pb | 0.05% max | 0.05% max | 0.05% max |
Sb | 0.05% max | 0.05% max | 0.05% max |
Sn | 0.06% max | 0.08% max | 0.08% max |
Size | 10-100mm, 5-50mm, 3-30mm | ||