This ball is made of tungsten carbide combined with a 9% nickel binder. It offers excellent corrosion resistance while having mechanical characteristics slightly reduced compared to YN6 variety. We only use virgin raw materials to ensure optimal quality. With our stock in France, Marteau-Lemarie ensures fast delivery and technical expertise of 40 years.
Chemical composition of tungsten carbide ball with ni 9% binder
| Element | type | WC | Neither |
|---|---|---|---|
| % | YN9 | 90,00-92,00 | 8,00-10,00 |
Physical characteristics of tungsten carbide ball with ni 9% binder
| Ownership | Value | Unit |
|---|---|---|
| Density | 14.7 | g/cm3 |
| Young Module | 650 | GPA |
| Thermal expansion coefficient | 6.1 (DT=0-100°C) | × 10−6 /°C |
| Thermal conductivity | 84 | W/m·K |
| Electrical resistivity | 175 | × 10 - 9 D·m |
| Specific heat | 215 | J/kg·K |
| Relative magnetic permeability | max 3,00 | — |
| Magnetic behaviour | Slightly ferromagnetic | — |
Hardness and mechanical strength of tungsten carbide ball with ni 9% binder
| Ownership | Value | Unit |
|---|---|---|
| Hardness | 88,0-90,0 | HRA |
| Hardness | 1250-1550 | HV |
| Exercise temperatures | -196/540 | ° C |
| Exercise temperatures | -320,8/1004 | °F |
Diameters and grades available for tungsten carbide ball with ni 9% 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 ni 9% binder
Good corrosion resistance in basic and neutral substances. Resistant to pH 3 in acidic substances.
International standards of tungsten carbide ball with ni 9% binder
| type | ISO | USA (AISI) | GB (CHN) |
|---|---|---|---|
| YN9 | – | – | YN9 |
Applications of tungsten carbide ball with ni 9% binder
Special bearings, pumps and valves, dispensers, sprayers/pumps for nebulizers, ballpoint pens. Employees in the mining and oil industries.





