Phosphor Bronze

Phosphor Bronze is a family of copper-based alloys containing between 0.5-11% of tin and a small amount of phosphorus. It is known for its strength, toughness, low friction, and resistance to corrosion, wear, and fatigue, which make it a suitable material for a wide range of applications. Phosphor Bronze is also known for its excellent spring properties, making it a popular choice in the manufacturing of electrical contacts, springs, and waveguides.

PB1 is a phosphor bronze alloy that contains 0.25% phosphorus and 4% tin. It is a high-strength alloy that exhibits excellent corrosion resistance, good cold workability, and high wear resistance. PB1 is commonly used in the production of springs, screws, bolts, and other fasteners, as well as musical instruments such as cymbals and bells.

PB102, also known as PB2, is a phosphor bronze alloy that contains 0.2-0.4% phosphorus and 8-10% tin. It has excellent spring properties, making it a popular choice for electrical contacts, switch parts, and springs. PB102 is also known for its high fatigue strength and resistance to stress relaxation, making it suitable for use in high-stress applications such as bearings and gears.

Phosphor Bronze alloys are available in a range of grades with varying tin and phosphorus content. The most commonly used grades include PB1, PB102, PB103, and PB104. These alloys are used in a variety of applications such as bearings, gears, electrical contacts, and springs. PB1 is used in the manufacturing of fasteners and musical instruments, while PB102 is commonly used in high-stress applications such as bearings and gears.