C95510 Nickel-Aluminum Bronze Bushing
C95510 Nickel-Aluminum Bronze Bushing
Self-lubricating bronze bearings are engineered for applications where external lubrication is impractical. Solid lubricants are compressed and molded directly into the bearing to guarantee a maintenance-free product. No additional lubrication is necessary.
C95510 Nickel-Aluminum Bronze Bushing (AMS 4880)
C95510 Nickel-Aluminum Bronze (AMS 4880) bushings are high-performance components widely used in various industries due to their excellent mechanical properties, wear resistance, and corrosion resistance. This article provides a detailed overview of C95510 Nickel-Aluminum Bronze bushings, including their key characteristics, chemical composition, mechanical properties, and typical applications.
Overview of C95510 Nickel-Aluminum Bronze (AMS 4880)
C95510 / AMS 4880 is one of the most widely specified materials for landing gear bushings, alongside C63000 material. This continuous/centrifugal cast alloy is heat-treated and exhibits high mechanical strength, comparable to C63000 (AMS 4640). C95510 (AMS 4880) offers a significant advantage over C63000 due to its availability in hollow bar form, which allows for cost-effective manufacturing.
1. Key Characteristics
| Characteristic | Description |
|---|---|
| High Strength | C95510 Nickel-Aluminum Bronze offers high tensile strength (655 MPa) and yield strength (345 MPa), making it suitable for heavy load and pressure applications. |
| Excellent Wear Resistance | The alloy maintains durability and a long lifespan under conditions of friction and wear. |
| Corrosion Resistance | It offers excellent resistance to seawater, various acids and bases, and atmospheric corrosion, making it ideal for harsh environments. |
| Good Machinability | Easy to process using casting, forging, heat treatment, and other manufacturing methods to create bushings in various shapes and sizes. |
| Spark-free | The alloy does not produce sparks under certain conditions, which is critical in industries such as oil and gas, mining, aerospace, and transport. |
2. Chemical Composition
C95510 Nickel-Aluminum Bronze is composed primarily of copper (Cu), aluminum (Al), tin (Sn), iron (Fe), manganese (Mn), and nickel (Ni). The specific composition of the alloy ensures its superior mechanical and corrosion-resistant properties.
| Element | Content (%) |
|---|---|
| Copper (Cu) | 78.00 min |
| Tin (Sn) | 0.20 – 0.30 |
| Zinc (Zn) | 0.00 max |
| Iron (Fe) | 2.00 – 3.50 |
| Nickel (Ni) | 4.50 – 5.50 |
| Aluminum (Al) | 9.70 – 10.90 |
| Manganese (Mn) | 1.50 |
Note: Copper + sum of named elements = 99.8% min. The nickel content includes cobalt.
3. Mechanical Properties
The mechanical properties of C95510 Nickel-Aluminum Bronze (AMS 4880) are as follows:
| Property | Value |
|---|---|
| Tensile Strength | 724 MPa (105 ksi) minimum for castings <4.0, heat-treated |
| Yield Strength (0.2% Offset) | 431 MPa (62.5 ksi) minimum for castings <4.0, heat-treated |
| Elongation (in 4D) | 9% minimum |
| Brinell Hardness | 192 – 248 for heat-treated castings |
| Machinability Rating | 50 (Moderate machinability) |
| Density | 0.272 lb/in³ at 68 °F (7.54 g/cm³) |
These properties allow C95510 bushings to perform well under heavy mechanical loads, providing reliable and durable service.
4. Typical Applications
C95510 Nickel-Aluminum Bronze bushings are used in a wide variety of industries, including:
| Industry | Applications |
|---|---|
| Oil and Gas | Used in the manufacture of valves, fittings, and pump components, ensuring reliability and stability in harsh operational conditions. |
| Marine Engineering | Used for seawater cooling systems, ship components, and propellers, providing resistance to seawater corrosion. |
| Shipbuilding | Applied to propellers, shaft bushings, and other marine parts, improving the safety and lifespan of vessels. |
| General Engineering | Used in the production of various mechanical components, such as bearings and gears, enhancing wear resistance and overall longevity. |
5. Conclusion
C95510 Nickel-Aluminum Bronze (AMS 4880) is a versatile, high-performance material that offers superior strength, wear resistance, and corrosion protection. Its excellent machinability, combined with its ability to withstand extreme environments, makes it an ideal choice for a wide range of industrial applications. Whether in the oil and gas industry, marine engineering, C95510 bushings provide long-lasting and reliable performance.
