Phosphor bronze is a type of bronze alloy that contains a significant amount of phosphorus, which improves its strength, wear resistance, and corrosion resistance. Phosphor bronze products come in various grades, which indicate the specific composition and properties of the alloy. Here are some common phosphor bronze products and their corresponding grades:

• C51000: This grade of phosphor bronze contains 5% phosphorus and is known for its excellent spring properties, making it ideal for use in electrical contacts, switches, and springs.
• C54400: This grade of phosphor bronze contains 4% phosphorus and is known for its high corrosion resistance and good machinability. It is commonly used in marine hardware, pump parts, and valve stems.
• C52100: This grade of phosphor bronze contains 8% tin and small amounts of phosphorus and is known for its high strength and wear resistance. It is commonly used in bearings, bushings, and gears.
• C5101: This grade of phosphor bronze contains 0.2% phosphorus and is known for its excellent electrical conductivity, making it ideal for use in electrical connectors, switches, and other electrical components.
• C5441: This grade of phosphor bronze contains 1.5% phosphorus and is known for its high fatigue strength and good resistance to stress corrosion cracking. It is commonly used in springs, wire forms, and fasteners.

Overall, the specific grade of phosphor bronze product that is chosen depends on the specific application requirements, such as strength, wear resistance, corrosion resistance, and electrical conductivity.

Chemical Compositions

Mechanical Properties