Zhuzhou TGC Cemented Carbide Co.,Ltd.
Zhuzhou TGC Cemented Carbide Co.,Ltd. Specialized in production of all kinds of tungsten carbide rods
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12% Cobalt K40-K50 ground carbide rods with Kic 10 for cutting Nonferrous metals
Carbide grade datasheet:
| ISO-Range | K40 - K50 |
| Chemical Data | |
| Co (%) | 12 |
| WC incl. Doping (%) | 88 |
| Physical Data | |
| Density (g/cm3) | 14.1 |
| Hardness | |
| HV 30 (N/mm2) | 1680 |
| HRA | 92.3 |
| Transverse Rupture Strength | |
| (N/mm2) | > 4400 |
| KIc* (Shetty) (MNm-3/2) | 10 |
| Metallographic Data | |
| Porosity | |
| ≤10 μm A ≤ 02 | |
| 10 -25 μm B 00 | |
| C 00 | |
| Microstructure | |
| Tungsten Carbide α | 0.5 μm |
Tungsten carbide diameter 6mm, and length in 330mm.
Application:
| 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 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 | |||||||
| 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 |