This tungsten carbide ball is distinguished by its exceptional hardness and its increased resistance to wear, bees, shocks and deformation. It is particularly suitable for applications requiring a high degree of precision. Marteau-Lemarie ensures a quick availability of this product thanks to its local stock in France, thus guaranteeing you an efficient supply.
Chemical composition of tungsten carbide ball with co TC K20 binder
| Element | type | WC | Co |
|---|---|---|---|
| % | WC20 | 93,00-95,00 | 5,00-7,00 |
Physical characteristics of tungsten carbide ball with co TC K20 binder
| Ownership | Value | Unit |
|---|---|---|
| Density | 14.95 | g/cm3 |
| Young Module | 650 | GPA |
| Thermal expansion coefficient | 5.2 (DT=0-100°C) | × 10−6 /°C |
| Thermal conductivity | 83 | W/m·K |
| Electrical resistivity | 180 | × 10 - 9 D·m |
| Specific heat | 225 | J/kg·K |
| Relative magnetic permeability | max 12 | — |
| Magnetic behaviour | Slightly ferromagnetic | — |
Hardness and mechanical resistance of tungsten carbide ball with co TC K20 binder
| Ownership | Value | Unit |
|---|---|---|
| Hardness | 90,0-91,5 | HRA |
| Hardness | 1550-1780 | HV |
| Exercise temperatures | -196/500 | ° C |
| Exercise temperatures | -320,8/932 | °F |
Available diameters and grades for tungsten carbide ball with co TC K20 binder
| Parameter | Value |
|---|---|
| Minimum diameter | 0.2 mm — 1/64′′ |
| Maximum diameter | 127 mm — 5′′ |
| Grades available | G5-10-16-20-25-28-40-60-100 |
| Precision standards | ISO 3290 / AFBMA |
Corrosion resistance of tungsten carbide ball with co TC K20 binder
As a general rule, tungsten carbides with Co binder have good corrosion resistance if they are immersed in basic solutions, whereas they do not resist in acidic solutions.
International Standards for Tungsten Carbide Ball with Co TC K20 Bin
| type | ISO | USA (AISI) | GB (CHN) |
|---|---|---|---|
| WC20 | K20 | C1 | YG6 |
Applications of tungsten carbide ball with co TC K20 binder
Special and hydraulic precision valves, couplers, flow meters, vaporizers, ball recirculation screws, high load and linear bearings, utensils, sliding guides, ball pen tips, pivots and pointers for comparators, precision measuring instruments, medical instruments. Employees in the maritime, mining, oil and currency industries.
