Non-Ferrous Metals End Mills Blank Ground Carbide Rods K20-K30 Cemented Rods
Specifications:
Outer diameter 5mm
Length 330/310mm
| ISO-Range | K20 - K30 |
| Chemical Data | |
| Co (%) | 9 |
| WC incl. Doping (%) | 91 |
| | |
| Physical Data | |
| Density (g/cm3) | 14.3 |
| Hardness | |
| HV 30 (N/mm2) | |
| HRA | |
| Transverse Rupture Strength | |
| (N/mm2) | > 3900 |
| KIc* (Shetty) (MNm-3/2) | 9 |
| | |
| Metallographic Data | |
| Porosity | |
| ≤10 μm A ≤ 02 | |
| 10 -25 μm B 00 | |
| C 00 | |
| | |
| Microstructure | |
| Tungsten Carbide α | 0.5 μm |
Application:
- High hardness materials
- Aluminum alloys
- Cast iron
Regular size for ground carbide rods:
| Diameter (mm) | Length (mm) | | Diameter (mm) | Length (mm) |
| D | Tolerance | Length | Tol. | | D | Tolerance | Length | Tol. |
| 1.00 | +0/-0.006 | 330 | 0/+0.5 | | 10.50 | +0/-0.011 | 330 | 0/+0.5 |
| 1.50 | 330 | 0/+0.5 | | 11.00 | 330 | 0/+0.5 |
| 2.00 | 330 | 0/+0.5 | | 11.50 | 330 | 0/+0.5 |
| 2.50 | 330 | 0/+0.5 | | 12.00 | 330 | 0/+0.5 |
| 3.00 | 330 | 0/+0.5 | | 12.50 | 330 | 0/+0.5 |
| 3.50 | 330 | 0/+0.5 | | 13.00 | 330 | 0/+0.5 |
| 4.00 | 330 | 0/+0.5 | | 13.50 | 330 | 0/+0.5 |
| 4.50 | +0/-0.008 | 330 | 0/+0.5 | | 14.00 | 330 | 0/+0.5 |
| 5.00 | 330 | 0/+0.5 | | 14.50 | 330 | 0/+0.5 |
| 5.50 | 330 | 0/+0.5 | | 15.00 | 330 | 0/+0.5 |
| 6.00 | 330 | 0/+0.5 | | 15.50 | 330 | 0/+0.5 |
| 6.50 | 330 | 0/+0.5 | | 16.00 | 330 | 0/+0.5 |
| 7.00 | 330 | 0/+0.5 | | 18.00 | 330 | 0/+0.5 |
| 7.50 | 330 | 0/+0.5 | | 20.00 | 330 | 0/+0.5 |
| 8.00 | +0/-0.009 | 330 | 0/+0.5 | | 22.00 | 330 | 0/+0.5 |
| 8.50 | 330 | 0/+0.5 | | 24.00 | 330 | 0/+0.5 |
| 9.00 | 330 | 0/+0.5 | | 25.00 | +0/-0.013 | 330 | 0/+0.5 |
| 9.50 | 330 | 0/+0.5 | | 28.00 | 330 | 0/+0.5 |
| 10.00 | 330 | 0/+0.5 | | 30.00 | 330 | 0/+0.5 |
| | | | | | 32.00 | +0/-0.016 | 330 | 0/+0.5 |
General Tolerance for ground carbide rods
| General tolerance for the h6 finished ground solid carbide rods |
| Diameter | Tolerance μm | | Length | Tolerance | | Straightness | Tolerance | | Circularity | Tolerances |
| ＜3.0 | -6/0 | ＜100.0 | +0.5/+1.0 | ＜4.0 | 0.07 | <3,0 | 2,0 micron |
| 3.0-6.0 | -8/0 | 100.0-165.0 | +1.0/+2.5 | 4.5-5.0 | 0.06 | 3,0- 6,0 | 2,5 micron |
| 6.0-1.0 | -9/0 | 165.0-335.0 | +1.0/+6.0 | 5.5-12 | 0.05 | 6,1-10,0 | 3,0 micron |
| 10.0-18.0 | -11/0 | | ＞12.5 | 0.04 | 10,1-18,0 | 3,5 micron |
| 18.0-30.0 | -13/0 | | 18,1- 30,0 | 4,0 micron |
| 30.0-50.0 | -16/0 | 30,1- 50,0 | 5,0 micron |
| General tolerance for the h5 finished ground solid carbide rods |
| Diameter | Tolerance μm | | Length | Tolerance | | Straightness | Tolerance | | Circularity | Tolerances |
| ＜3.0 | -4/0 | ＜100.0 | +0.5/+1.0 | ＜4.0 | 0.07 | <3,0 | 2,0 micron |
| 3.0-6.0 | -5/0 | 100.0-165.0 | +1.0/+2.5 | 4.5-5.0 | 0.06 | 3,0- 6,0 | 2,5 micron |
| 6.0-1.0 | -6/0 | 165.0-335.0 | +1.0/+6.0 | 5.5-12 | 0.05 | 6,1-10,0 | 3,0 micron |
| 10.0-18.0 | -8/0 | | ＞12.5 | 0.04 | 10,1-18,0 | 3,5 micron |
| 18.0-30.0 | -9/0 | | 18,1- 30,0 | 4,0 micron |
| 30.0-50.0 | -11/0 | 30,1- 50,0 | 5,0 micron
|
Our tungsten carbide rods:
- 100% virgin material, no recycled material
- Spray drying tower and HIP sintering furnace
- Constant excellent quality
- Large stock for all sizes, the regular products can be shipped in 3 days, and the special rods can be ground in one week.
- 100% inspected before delivery. The inspection including raw material and dimension report will be sent you before delivery
- Excellent grinding quality, Straightless and circularity could be 0.05 or 0.02.
Carbide grades
| Classification | K20-K40 | K15-K20 | K20-K40 | K20-K30 | K20 | K20 | K10 | K05-K10 |
| Co % | 10 | 6 | 10 | 12 | 8 | 8 | 7 | 9 |
| WC incl. doping | 90 | 94 | 90 | 88 | 92 | 92 | 93 | 91 |
| Density g/ cm3 | 14.5 | 14.95 | 14.45 | 14.05 | 14.55 | 14.6 | 14.7 | 14.35 |
| Hardness HV30 | 1580 | 1620 | 1620 | 1690 | 1720 | 1790 | 1850 | 1920 |
| Fracture toughness | 11 | 9.9 | 10.6 | 10.4 | 9.5 | 9.6 | 9.6 | 9.3 |
| Transverse rupture strength | 4100 | 3200 | 4100 | 4200 | 3800 | 3700 | 3500 | 3800 |
| Average grain size | 0.7 | 1.2 | 0.6 | 0.5 | 0.7 | 0.6 | 0.7 | 0.2 |
What we can provide
