UNS C63020 that is commonly known as Nickel-Aluminium Bronze is an outstanding copper-based alloy that has an exceptional property in its outstanding corrosion resistance, strength, and durability. Its chemical composition generally features 9-11% aluminum and 4% nickel, with lesser amounts (1-5%) of iron, as well as traces of other elements. These alloy material stands out for its extraordinary mechanical properties, dedicated to the marine applications as, propellant, pump parts and valve components. Thanks to well developed anti-corrosion and cavitation resistance, the part prolongs the life span of the equipment operating in the harsh environment. Each grades depend on their exact applications, however, they are all inspected based on ASTM and SAE standards. Tables, as well as online in PDF of chemical composition tables, mechanical properties chart, and applications, undoubtedly are the best thinkable manuals for engineers and manufacturers who exactly know what they are looking for.
UNS C63020, this alloy which is also known as aluminum bronze, is popular due to it’s exceptional wear resistant, high tensile strength, and the excellent corrosion resistant properties. Its chemical composition usually contains copper to about 83-85% aluminum, iron, and nickel to about 4-5% each and traces of other elements. Such structure grants the finished composite high mechanical properties, all of which can be utilized in maritime devices, valve and pump parts, and heavy duty bushings. Its grade, in turn, demonstrates a wide applicability of this model in various industries providing a reliable solution in the cases when a durability and long-term operation are the main priorities.
Elements | Cu | Al | Fe | Ni | Mn | Zn | Sn | Pb |
---|---|---|---|---|---|---|---|---|
Min (%) | 74.5 | 10 | 4 | 4.2 | - | - | - | - |
Max (%) | - | 11 | 5.5 | 6 | 1.5 | 0.3 | 0.25 | 0.03 |
Advantages:
High Strength: UNS C63020 Copper has the outstanding strength properties, which is why it is the best material for applications that need strong components.
Corrosion Resistance: It gives a strong resistance to corrosion, especially in marine areas, thus it is the perfect choice for marine hardware and equipment.
Wear Resistance: Because of its composition and structure, it offers good wear resistance, thus, the life of the parts exposed to friction and abrasion is prolonged.
Machinability: It is quite easy to machine, which, in turn, enables the fast and efficient production of complex parts and components.
Thermal Conductivity: UNS C63020 Copper is a good material for heat exchangers and other heat transfer applications because it has a high thermal conductivity.
Disadvantages:
Cost: Copper alloys such as UNS C63020 can be more expensive than other materials, which may affect the total cost of the project.
Softness: Although it is strong, it is softer than other materials, thus, it may not be suitable for some high-wear applications.
Limited Availability: The availability of certain types of copper alloys, such as UNS C63020, is region-dependent, hence the possibility of supply chain problems.
Potential for Galling: The sliding or rotating applications without appropriate lubrication may cause galling or seizing, hence reducing the component lifespan.
Oxidation Susceptibility: Copper alloys are vulnerable to oxidation, thus, they need protective coatings or surface treatments to avoid the degradation over time.
Here is another related topic that you may also like.
UNS C63020 Nickel-Aluminum Bronze usually has about 9-11% aluminum, 4-5% nickel and copper as the main component. Small quantities of other elements such as iron, manganese, and silicon may also be found. The exact composition usually differs slightly from one supplier to another.
UNS C63020 is highly corrosion resistant, especially in seawater environments, thus it is the perfect fit for marine applications. Besides, it is also a strong, wear-resistant, and thermally conductive material that can be used in many engineering applications.
UNS C63020 Nickel-Aluminum Bronze meets the standards such as ASTM B150, ASTM B124, and AMS 4640. These standards specify the chemical composition, mechanical properties, and other criteria that the material should meet.
Detailed tables, technical datasheets, and PDF documents with information about UNS C63020 Nickel-Aluminum Bronze are usually available on manufacturer websites, material databases, or industry publications. These resources are a big source of the data on the chemical composition, mechanical properties, heat treatment guidelines, and other information which is useful for engineering and design purposes.