Aluminum Bronze (UNS C64200)
Aluminum Bronze C64200, also known as C642, is a high-strength wrought bronze alloy that offers excellent resistance to corrosion in various environments, including seawater.
| Chemical Composition | ||
|---|---|---|
| Element | Min | Max |
| Copper | —— | Remainder |
| Aluminum | 6.3% | 7.6% |
| Arsenic | —— | 0.09% |
| Iron | —— | 0.3 |
| Lead | —— | 0.05% |
| Manganese | —— | 0.1% |
| Nickel | —— | 0.25% |
| Silicon | 1.5% | 2.2% |
| Tin | —— | 0.2% |
| Zinc | —— | 0.5% |
The following table provides a list of aluminum bronze C64200 properties in both SI and US customary/Imperial units.
Click on the icon to switch between Metric and Imperial units.
| Physical Properties | Metric |
|---|---|
| Density | 7700 kg/m3 |
| Mechanical Properties | Metric |
| Tensile Strength (Ultimate) | 520 - 700 MPa |
| Tensile Strength (Yield) | 230 - 470 MPa |
| Shear Strength | 330 - 390 MPa |
| Young’s Modulus (E) | 110 GPa |
| Shear Modulus (G) | 41 GPa |
| Elongation at Break | 14 - 35% |
| Poisson’s Ratio (ν) | 0.34 |
| Thermal Properties | Metric |
| Melting Point | 982 - 1000 °C |
| Thermal Conductivity | 45 W/m·K |
| Specific Heat Capacity (Cp) | 377 J/kg·K |
| Coefficient of Thermal Expansion (αL) | 1.8×10-5 1/°C |
| Electrical Properties | Metric |
| Electrical Conductivity | 4.64×106 S/m |
| Electrical Resistivity | 2.2×10-7 Ω·m |
The values in this table are approximate and can vary depending on various factors such as the specific manufacturing process and heat treatment applied to the alloy.
Advantages & Disadvantages of Aluminum Bronze C64200
| Advantages | Disadvantages |
|---|---|
| High Strength | High Cost |
| Excellent Corrosion Resistance | Machinability |
| Good Wear Resistance | Limited Availability |
| Good Ductility | Sensitivity to Some Environments |
Applications of Aluminum Bronze C64200
Aluminum Bronze C64200 finds application in various industries where a combination of high strength, corrosion resistance, and wear resistance is required. Some common applications of Aluminum Bronze C64200 include:
- Marine and Offshore Equipment: Due to its excellent corrosion resistance in seawater, Aluminum Bronze C64200 is widely used for marine and offshore components. It is used in propellers, pump parts, ship fittings, valve stems, and other parts exposed to saltwater or harsh marine environments.
- Aerospace Components: Aluminum Bronze C64200 is utilized in the aerospace industry for applications such as bearings, bushings, and gears that require high strength, wear resistance, and corrosion resistance. It is suitable for both commercial and military aircraft.
- Oil and Gas Industry: The alloy is commonly employed in the oil and gas sector for components exposed to corrosive environments. It is used in valves, pumps, pipe fittings, and other equipment where resistance to seawater, brine, and other corrosive fluids is crucial.
- Power Generation: Aluminum Bronze C64200 is utilized in power generation applications, such as turbine blades, due to its resistance to corrosion and erosion. It can withstand the harsh conditions found in power plants and ensures durability and longevity of the components.
- Industrial Equipment: The high strength and wear resistance of Aluminum Bronze C64200 make it suitable for various industrial applications. It is used in gears, bearings, bushings, valve components, and other machinery parts subjected to heavy loads, friction, and wear.
- Chemical Processing: Aluminum Bronze C64200 is employed in chemical processing equipment where resistance to corrosion from chemicals and acidic environments is required. It finds application in valves, pumps, heat exchangers, and other components in chemical plants.