Alloy C95500 is an aluminum bronze alloy composed of 79.0% copper, 10.0% aluminum, 9.0% nickel, and 2.0% iron. The addition of nickel and iron to the alloy gives it excellent strength and wear resistance while improving its corrosion resistance. The addition of aluminum to the alloy increases its hardness and tensile strength. The alloy is also known for its excellent machinability, making it easier to produce high-quality parts and components.
| Element | Content (%) |
|---|---|
| Al, Aluminium/Aluminum | 10.0 – 11.5 |
| Cu, Copper | 78.0 |
| Fe, Iron | 3.0 – 5.0 |
| Mn, Manganese | 3.50 |
| Ni, Nickel | 3.0 – 5.50 |
| Other | 0.50 |
The physical properties of alloy C95500 include a density of 7.77 g/cm3 and a melting point of 1000°C (1832°F). Its thermal conductivity is 43 W/mK at 20°C, while its electrical conductivity is 9.2% IACS. Additionally, the alloy exhibits low magnetic permeability, making it ideal for applications where electromagnetic interference (EMI) is a concern.
| Properties | Metric | Imperial |
|---|---|---|
| Density | 7.53 g/cm3 | 0.272 lb/in³ |
Alloy C95500 has excellent mechanical properties, including a tensile strength of 690 MPa, a yield strength of 250 MPa, and an elongation of 20%. Its Rockwell hardness ranges from B85 to B95, indicating high resistance to wear and abrasion. The alloy can withstand high stresses and strains, making it well suited for harsh and demanding applications.
Alloy C95500 is widely used in a variety of industries, including marine, aerospace, and oil and gas. Its excellent corrosion resistance makes it an ideal material for marine applications such as propellers, valves, pumps, and other parts that operate in saltwater environments. Due to its high strength and wear resistance, the alloy is also used in aerospace components such as bushings, bearings, and landing gear. In addition, Alloy C95500 is also used in the oil and gas industry for valves, pumps, and other equipment that operate in corrosive environments.
As mentioned earlier, Alloy C95500 has a high hardness range of B85 to B95. This means that the alloy is wear-resistant and can withstand high stresses and strains. However, the hardness of the alloy can be controlled by varying the heat treatment process of the alloy. The heat treatment process affects the microstructure of the alloy, which affects its strength, hardness, and other mechanical properties.
Heat treatment of Alloy C95500 includes a solution annealing process followed by quenching to obtain the desired microstructure. The solution annealing process involves heating the alloy to a specific temperature and holding it for a specific time, followed by quenching in water or oil. The process produces a homogeneous microstructure with excellent mechanical properties such as high strength and hardness.
