CuAl10Fe2 Aluminum Bronze Overview
Aluminum Bronze Bearing Bushing
CuAl10Fe2 Aluminum Bronze Overview
CuAl10Fe2 is a copper-based alloy primarily composed of aluminum and iron, known for its exceptional hardness, toughness, and resistance to corrosion, erosion, and seawater. It performs well under high temperatures and is suitable for mechanical components operating between -200°C and +200°C. The closest international standard for this alloy is ASTM B505 C95200.
Chemical Composition
| Element | % Min | % Max |
|---|---|---|
| Al | 8.5 | 10.5 |
| Cu | 83.0 | 89.5 |
| Fe | 1.5 | 3.5 |
| Mn | – | 1.0 |
| Ni | – | 1.5 |
| Mg | – | 0.05 |
| Pb | – | 0.10a |
| Si | – | 0.2 |
| Sn | – | 0.20 |
| Zn | – | 0.50 |
Note:
a) For castings intended to be welded, the maximum lead content should be 0.03%.
Mechanical Properties (Minimum Values)
| Property | Continuous (GC)¹ | Centrifugal (GZ) |
|---|---|---|
| Tensile Strength, Rm (MPa) | 550 | 550 |
| Yield Point 0.2%, Rp0.2 (MPa) | 200 | 200 |
| Elongation 5D, A (%) | 15 | 18 |
| Hardness, HBW (10-1000) | 130 | 130 |
Note:
¹ For pieces with an exterior diameter of ≤ 300 mm. For larger sizes, values must be agreed upon with the order.
Physical Properties
| Property | Value |
|---|---|
| Density (kg/dm³) | 7.5 |
| Specific Heat (J/(g·K)) | 0.420 |
| Thermal Expansion (10⁻⁶/K) | 16 – 17 |
| Thermal Conductivity (W/(m·K)) | 55 |
| Electrical Conductivity (MS/m) | 5 – 8 |
Key Features
- High static and dynamic resistance: Suitable for demanding mechanical applications.
- Corrosion and erosion resistance: Ideal for use in seawater and harsh environments.
- High-temperature performance: Maintains properties at elevated temperatures.
- Weldability: Low lead content (≤ 0.03%) for weldable castings.
Applications
- Marine components (propellers, pumps, valves).
- Mechanical parts subjected to high stress and wear.
- High-temperature environments (e.g., aerospace and industrial machinery).
- Corrosion-resistant equipment in chemical and offshore industries.
CuAl10Fe5Ni5 aluminum bronze Bearing
CuAl10Fe5Ni5 is a specific type of aluminum bronze alloy that is widely used in various industrial applications, particularly for bearings and other components that require high strength, corrosion resistance, and wear resistance. Below are the details of its common applications, properties, and typical parts made from this alloy:
CuAl10Fe2 bronze bearings
CuAl10Fe2 bronze is a type of aluminum bronze alloy known for its excellent mechanical properties, wear resistance, and corrosion resistance. It is commonly used in applications requiring high strength and durability, such as bearings, bushings, thrust washers, and other specialized components. Here’s how CuAl10Fe2 bronze is applied in the specific parts you mentioned:
1. Self-Lubricating Bronze Bearings
- Application: CuAl10Fe2 bronze is used to manufacture self-lubricating bearings, which are designed to operate with minimal external lubrication. These bearings are often embedded with solid lubricants like graphite or PTFE to reduce friction and wear.
- Benefits: High load capacity, good thermal conductivity, and resistance to corrosion make it suitable for heavy-duty and high-temperature environments.
2. Flange Bushings
- Application: Flange bushings made from CuAl10Fe2 bronze are used in applications where alignment and support are critical. The flange provides additional stability and prevents axial movement.
- Benefits: Excellent wear resistance and ability to withstand high loads and speeds.
3. Thrust Washers
- Application: Thrust washers made from this alloy are used in applications where axial loads need to be managed, such as in rotating machinery.
- Benefits: High strength, good fatigue resistance, and ability to operate under high pressure and temperature conditions.
4. Groove Bearings
- Application: Groove bearings made from CuAl10Fe2 bronze are used in applications where rotational or linear motion needs to be guided with minimal friction.
- Benefits: Excellent wear resistance and ability to maintain dimensional stability under load.
5. Special Parts for Specific Applications
- Application: CuAl10Fe2 bronze is used in custom or specialized components where high strength, wear resistance, and corrosion resistance are required. Examples include marine applications, aerospace components, and heavy machinery.
- Benefits: Versatility, durability, and ability to perform in harsh environments.
Key Properties of CuAl10Fe2 Bronze:
- High Strength: Suitable for heavy-load applications.
- Wear Resistance: Ideal for components subject to friction and wear.
- Corrosion Resistance: Performs well in corrosive environments, including seawater.
- Thermal Conductivity: Effective in dissipating heat, reducing the risk of overheating.
- Machinability: Can be easily machined into complex shapes and designs.
Common Industries:
- Marine and offshore
- Aerospace
- Automotive
- Heavy machinery
- Power generation
If you have a specific application in mind, ensure that the design and manufacturing process are optimized to leverage the unique properties of CuAl10Fe2 bronze for maximum performance and longevity.
