Made from aluminium and nickel bronze alloy, these balls stand out for their outstanding mechanical properties, offering excellent resistance to abrasion and wear. Thanks to nickel incorporation, they offer better corrosion protection while maintaining the remarkable characteristics of alloying. Marteau- Lemarie guarantees a fast supply with a stock available in France, supported by more than 40 years of technical expertise.
Chemical composition of bronze-aluminium-nickel ball
| Element | type | If | Mn | P | Neither | Cu | Al | Sn | Zn | Pb | Fe |
|---|---|---|---|---|---|---|---|---|---|---|---|
| % | P-CuAl10Ni5Fe5 | max 0.10 | max. 0.30 | 0.010 max | 3,50-5,50 | balance | 9,50-11,00 | max 0.10 | max. 0.50 | 0.020 max | 3,50-5,50 |
Physical characteristics of bronze-aluminium-nickel ball
| Ownership | Value | Unit |
|---|---|---|
| Density | 7.56 | g/cm3 |
| Young Module | 120 | GPA |
| Thermal expansion coefficient | 16.3 (DT=0-100°C) | × 10−6 /°C |
| Thermal conductivity | 51 | W/m·K |
| Electrical resistivity | 207 | × 10 - 9 D·m |
| Specific heat | 398 | J/kg·K |
| Relative magnetic permeability | 1,03 | — |
| Magnetic behaviour | Paramagnetic | — |
Hardness and mechanical resistance of bronze-aluminium-nickel ball
| Ownership | Value | Unit |
|---|---|---|
| Hardness | 29-34 | HRC |
| Tensile failure load | 680-760 | MPa |
| Tensile failure load | 99-110 | psix10^3 |
| Exercise temperatures | -196/400 | ° C |
| Exercise temperatures | -320,8/752 | °F |
Available diameters and grades for bronze-aluminium-nickel ball
| Parameter | Value |
|---|---|
| Minimum diameter | 1.5 mm — 1/16′′′ |
| Maximum diameter | 180 mm — 7′′ |
| Grades available | G50-100-200-500-1000-2000 |
| Precision standards | ISO 3290 / AFBMA |
Corrosion resistance of bronze-aluminium-nickel ball
Bronze Al Ni alloys are ideal for applications in the marine environment, they have good corrosion resistance under stress and stress. They are not subjected to pitting corrosion in the presence of chlorides. They are attacked in environments containing sulfhydroic acid.
International Standards for Bronze-Aluminium-nickel Ball
| ITA | USA (AISI) | DIN (GER) | AFNOR (FRA) | UK | GOST (RUS) | GB (CHN) | JIS (JPN) |
|---|---|---|---|---|---|---|---|
| P-CuAl10Ni5Fe5 | C63000 | 2.0966 | CuAl9Ni5Fe3 | CA104 | BRAZHN10-4-4 | QAL 10-4-4 | C6301 |
Applications of bronze-aluminium-nickel ball
Special pumps and valves for applications in aerospace, automotive and marine sectors.
