The Stellite® 3PM is a cobalt alloy with exceptional wear resistance and high temperatures. Its carbide-rich CoCr matrix structure ensures optimal performance in challenging environments. These balls, delivered in a state of passivity, are made solely from virgin raw materials, thus ensuring premium quality. Marteau- Lemarie offers this technical solution with a stock available in France for quick delivery.
Chemical composition of the 3PM stellite® ball
| Element | type | C | If | Mn | Cr | Neither | Co | W | Fe |
|---|---|---|---|---|---|---|---|---|---|
| % | 3PM satellite | 2,00-2,60 | 1.00 max | 1.00 max | 30,00-33,00 | 3,00 max | 42,40-56,00 | 12,00-14,00 | 3,00 max |
Physical characteristics of the 3PM stellite® ball
| Ownership | Value | Unit |
|---|---|---|
| Density | 8.65 | g/cm3 |
| Young Module | 235 | GPA |
| Thermal expansion coefficient | 11 (DT=0-100°C) | × 10−6 /°C |
| Thermal conductivity | 14.8 | W/m·K |
| Electrical resistivity | 3850 | × 10 - 9 D·m |
| Specific heat | 460 | J/kg·K |
| Relative magnetic permeability | max 1,200 | — |
| Magnetic behaviour | Paramagnetic | — |
Hardness and mechanical resistance of 3PM stellite® ball
| Ownership | Value | Unit |
|---|---|---|
| Hardness | 50-57 | HRC |
| Tensile failure load | 450-550 | MPa |
| Tensile failure load | 65-80 | psix10^3 |
| Exercise temperatures | 0/1000 | ° C |
| Exercise temperatures | 32/1832 | °F |
Available diameters and grades for 3PM stellite® ball
| Parameter | Value |
|---|---|
| Minimum diameter | 9.5 mm — 3/8′′′ |
| Maximum diameter | 75 mm — 3′′ |
| Grades available | G25-40-60-100 |
| Precision standards | ISO 3290 / AFBMA |
Corrosion resistance of 3PM stellite® ball
Good corrosion resistance in contact with oxidizing agents (except reducing acids), nitric, phosphoric and formic acids under non-extreme conditions of concentration and temperature, sulphuric acid at room temperature.
Applications of 3PM stellite® ball
Special bearings, pumps and valves where high wear, corrosion and temperature resistance characteristics are required.
