86-731-22896701
Jinggong Industrial Park, Kunlungshan Road, Tianyuan District, Zhuzhou, Hunan, China
The Specification Range of tungsten carbide rod in 330mm blanks and fine grinding h6 :
WC Grain size range: 0.3~0.5μ.m; 0.5~0.9μ.m; 1.0~1.3μ.m; 1.4~2.0μ.m.
Diameter range: 0.3mm--60mm;
Length range: 3mm--700mm;
Diameter Grade: h4(H4), h5(H5), h6(H6), h7(H7), h8(H8), h9(H9).
Sphericity tolerance range: 0.001mm ~ 0.005mm;
Linearity tolerance range: 0.001mm~0.1mm;
Surface Roughness can be reached to: RA0.04.(reach a mirror effect surface after accurate grinding)
Physical Picture of tungsten carbide rod in 330mm blanks and fine grinding h6 :
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Sphericity tolerance and Circular run-out for tungsten carbide rod in 330mm blanks and fine grinding h6 :
| Diameter | Surface Roughness | Sphericity | Circular run-out |
| 2--6 mm | RA0.04 | 0.001 | ↑0.1 |
| 6.5-10 mm | RA0.04 | 0.001 | ↑0.1 |
| 10.5-14 mm | RA0.04 | 0.002 | ↑0.1 |
| 14.5-20 mm | RA0.04 | 0.004 | ↑0.05 |
| >20 mm | RA0.04 | 0.005 | ↑0.03 |
Diameter Grade h4(H4), h6(H6) of tungsten carbide rod in 330mm blanks and fine grinding h6 :
| Diameter | h4 | H4 | h6 | H6 |
| 0-3.0mm | +0/-0.003 | +0/-0.003 | +0/-0.006 | -0/+0.006 |
| 3.001-6.0mm | +0/-0.004 | +0/-0.004 | +0/-0.008 | -0/+0.008 |
| 6.001-10.0mm | +0/-0.004 | +0/-0.004 | +0/-0.009 | -0/+0.009 |
| 10.001-18.0mm | +0/-0.005 | +0/-0.005 | +0/-0.011 | -0/+0.011 |
| 18.001-30.0mm | +0/-0.006 | +0/-0.006 | +0/-0.013 | -0/+0.013 |
| 30.001-50.0mm | +0/-0.007 | +0/-0.007 | +0/-0.016 | -0/+0.016 |
| 50.001-60.0mm | +0/-0.008 | +0/-0.008 | +0/-0.019 | -0/+0.019 |
General Grade for tungsten carbide rod in 330mm blanks and fine grinding h6 :
| ISO RANGE | Co% | Density | Hardness HV30 | HRA | Transverse Rupture |
| 6% | 14.8 g/cm³ | 1930 N/mm² | 94.0 | 4100 MPa | |
| K10 | 6% | 14.9 g/cm³ | 1700 N/mm² | 92.4 | 3000 MPa |
| 6% | 14.93 g/cm³ | 1500 N/mm² | 91.0 | 2600 MPa | |
| K10-K20 | 8% | 14.6 g/cm³ | 1900 N/mm² | 93.7 | 4200 MPa |
| K20-K30 | 10% | 14.45 g/cm³ | 1580 N/mm² | 91.6 | 3800~4000 MPa |
| K2O-K30 | 10% | 14.4 g/cm³ | 1600 N/mm² | 92 | 3800 MPa |
| K30-K40 | 12% | 14.2 g/cm³ | 1700 N/mm² | 92.5 | 4200~4300 MPa |
| K50 | 15% | 14.0 g/cm³ | 1150 N/mm² | 87.5 | 2800 MPa |
Features of tungsten carbide rod in 330mm blanks and fine grinding h6 :
1, high strength and high hardness.
2, excellent hardness, wear-resistance, high elastic modulus, high flexural strength,
3, good chemical stability (acid, alkali, high temperature oxidation), impact resistance,
4. good toughness, low coefficient of expansion etc,
