This WNiFe tungsten alloy ball is distinguished by its high density and excellent mechanical properties, offering noticeable resistance to wear and corrosion as well as good thermal stability. Ideal for applications requiring increased robustness, it is particularly suitable for demanding environments. With over 40 years of expertise, Marteau- Lemarie ensures the rapid availability of these logs in stock in France.
Physical characteristics of tungsten alloy ball with high density wnife
| Ownership | Value | Unit |
|---|---|---|
| Young Module | 328 | GPA |
| Thermal expansion coefficient | 5.6 (DT=0-100°C) | × 10−6 /°C |
| Thermal conductivity | 95 | W/m·K |
| Electrical resistivity | 124 | × 10 - 9 D·m |
| Specific heat | 1500 | J/kg·K |
| Relative magnetic permeability | max 10 | — |
| Magnetic behaviour | Slightly ferromagnetic | — |
| Fracture extension | 2-33 (98W...85W) | % |
Hardness and mechanical resistance of high density tungsten alloy ball wnife
| Ownership | Value | Unit |
|---|---|---|
| Hardness | 20-36 | HRC |
| Tensile failure load | 550-980 | MPa |
| Tensile failure load | 80-142 | MPa |
| Exercise temperatures | -198/350 | ° C |
| Exercise temperatures | -320,8/662 | °F |
Diameters and grades available for high density tungsten alloy ball wnife
| Parameter | Value |
|---|---|
| Minimum diameter | 1 mm — 3/64′′′ |
| Maximum diameter | 100 mm — 4′′ |
| Grades available | G100-200-500-1000 |
| Precision standards | ISO 3290 / AFBMA |
Corrosion resistance of tungsten alloy ball with high density wnife
WNiFe alloys have good corrosion resistance, comparable to 300-series austenitic stainless steels.
Applications of high density tungsten alloy ball wnife
Special bearings, pumps and valves, flow meters, ball recirculation screws, measuring instruments. Used for applications that require good hardness and wear resistance in a moderately aggressive environment.





