Understanding the composition, mechanical properties, and physical properties of bronze CA102, along with its application and fabrication methods, is essential to know its full potential and better utilize it in various industries.
What is Bronze CA102?
Bronze CA102 is a material widely used in industries for centuries. This alloy, widely known for its high strength, wear, and corrosion resistance, is commonly found in marine and aerospace applications. Bronze CA102
Bronze CA102 Composition
Bronze CA102 is an alloy containing copper, tin, and a small amount of phosphorus. The container in this alloy gives it high strength and hardness, while the phosphorus enhances the wear resistance and machinability. The typical composition of bronze CA102 is 88% copper, 10% tin, and 2% phosphorus. This specific composition makes it a perfect candidate for various applications requiring strength and corrosion resistance.
| Chemical Composition Limits | |||
| Weight % | Cu | Al | Other |
| CA 102 | Remainder | 6.0 / 7.5 | Fe + Ni + Mi 1.0 / 2.5 |
Bronze CA102 Mechanical Properties
Bronze CA102 boasts impressive mechanical properties, making it an ideal candidate for various applications. The hardness of bronze CA102 ranges from 85 to 95 BHN. Furthermore, it exhibits a tensile strength of around 550 Mpa and a yield strength of 210 Mpa. The high power and wear resistance make it a common choice for parts exposed to mechanical wear.
| Material | 0.2% Proof Stress (N/mm² ) | Tensile Strength (N/mm² ) | Elongation % | Hardness (HV) |
| CA 102 | 170-510 | 430-660 | 55-10 | 100-210 |
Bronze CA102 Physical Properties
Physical properties determine how the bronze surface reacts to mechanical, thermal, or chemical stress. This alloy is renowned for its exceptional machinability, low coefficient of friction, and high fatigue resistance. Furthermore, its excellent thermal conductivity makes it an ideal choice for heat exchanger components.
Bronze CA102 Equivalents
| UNS | British Specs | American Spec | European Specs |
| C61000 | CA102 BS 2875 |
ASTM B169 | CuAl6Ni2 BS EN1652 BS EN1653 BS EN1654 |
Bronze CA102 Specifications
- C61000
- BS2875
- BS2870
- CuAl7
- CuAl6Ni2
- CuAl8 (FR)
Bronze CA102 Uses
Bronze CA102 is a versatile material known for its excellent mechanical properties and resistance to wear and corrosion. For this reason, it finds its application in various industries, including aerospace, marine, chemical processing, and oil and gas. This bronze alloy is used in aerospace for bushings, bearings, gears, and shafts. Similarly, it’s used for propellers, directions, and pumps in marine applications. Its unique properties make it a suitable option for pump impellers and other components in the chemical processing industry.
Bronze CA102 Corrosion Resistance
Like other bronze alloys, Bronze CA102 exhibits excellent corrosion resistance. This material forms a natural protective oxide layer that shields the underlying material from corrosion caused by saltwater, acids, and alkaline solutions. Its high copper content and the presence of phosphorus enhance its corrosion resistance and make it an ideal choice for harsh environments.
Bronze CA102 Heat Treatment and Machining
Bronze CA102 is a material that can be easily shaped and moulded. This alloy can be easily heat-treated to enhance its mechanical properties. However, special care must be taken while heating to avoid damaging the protective oxide layer. Bronze CA102 also exhibits excellent machinability due to the presence of phosphorus. It is one of the most accessible materials to machines and can easily be shaped according to the desired specification.
Conclusion
Bronze CA102 is a versatile material known for its excellent mechanical properties and resistance to wear and corrosion. Its unique composition and properties make it an ideal choice for aerospace, marine, chemical processing, and oil and gas applications. The excellent machinability, heat-treating properties, and impressive wear and corrosion resistance make it stand out among bronze alloys. With its exceptional properties, Bronze CA102 has proven to be an important material in modern engineering and manufacturing.
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