Just one table, you will get to know suitable grade of tungsten carbide rods for different machining materials and how to choose qualified carbide cutting tools in CNC machining.
Introduction of Grades
Grade | Cobalt (%) | Density (g/cm³) | Hardness | Hardness | Strength | Grain Size | ISO Grade |
HV30 | HRA | N/mm² | Μm | ||||
CF10 | 10 | 14.4 | 1550 | 91.8 | 3600 | 0.8 | K20/K30 |
CF12 | 12 | 14.1 | 1620 | 92.3 | 3800 | 0.6 | K30-K40 |
CF12UF | 12 | 14.2 | 1700 | 92.5 | 4200 | 0.5 | K40 |
CF6UF | 6 | 14.9 | 1940 | 94 | 3800 | 0.4 | K10 |
CF8UF | 8 | 14.6 | 1760 | 93.2 | 3800 | 0.4 | K20 |
Recommended Applications
Workpiece Material | Tools | CF10 | CF12 | CF12UF | CF6UF | CF8UF | ||
P | Steel | Drill Bit | ⬤ | |||||
End Mill | Rough Machining | ⬤ | ⬤ | ◯ | ||||
Fine Finish Machining | ◯ | ◯ | ⬤ | |||||
M | Stainless Steel | Drill Bit | ⬤ | |||||
End Mill | Rough Machining | ◯ | ⬤ | ◯ | ||||
Fine Finish Machining | ◯ | ◯ | ⬤ | |||||
K | Cast Iron | Drill Bit | ⬤ | |||||
End Mill | Rough Machining | ⬤ | ||||||
Fine Finish Machining | ◯ | ⬤ | ⬤ | |||||
N | Non-ferrous Metals | Drill Bit | ⬤ | |||||
End Mill | Rough Machining | ◯ | ⬤ | ⬤ | ||||
Fine Finish Machining | ⬤ | ⬤ | ⬤ | |||||
S | Heat- resistant Alloy | Drill Bit | ⬤ | |||||
End Mill | Rough Machining | |||||||
Fine Finish Machining | ⬤ | ⬤ | ||||||
Others | Graphite, carbon fiber, PCB, composites etc. | ⬤ | ⬤ |
⬤ First Choice
◯ Suitable