Phosphor Bronze Springs

Phosphor bronze is a copper alloy made from copper, tin, and a small amount of phosphorus. This combination creates a material with excellent strength, resistance to wear, and stability under repeated loading. It is widely used for springs that must perform reliably in corrosive or high-cycle environments.

Material Properties

Phosphor bronze springs offer a useful balance of mechanical, physical, and electrical properties:

Fatigue Resistance: The alloy handles repeated loading well, making it suitable for components exposed to constant movement or stress.
Corrosion Resistance: It performs reliably in environments exposed to moisture, chemicals, or saltwater, ideal for marine and coastal use.
Low Friction: Springs made from phosphor bronze operate smoothly with minimal wear, even in mechanisms with moving contact surfaces.
Electrical Conductivity: While mainly selected for mechanical strength, the alloy also provides steady electrical conductivity, useful for connectors and contact points.
Machinability: Phosphor bronze can be formed and shaped with precision, allowing for the creation of intricate or tight tolerance spring designs.

Applications

Thanks to its dependable performance, phosphor bronze is used across a range of industries:

Industrial Machinery: Springs are used in textile machines, pressure valves, and mechanical linkages that need to maintain force or tension over long operating cycles.
Marine and Offshore Equipment: The material resists saltwater corrosion, making it a good choice for underwater instruments, boat hardware, and coastal installations.
Automotive and Aerospace:Employed in systems like fuel management, suspension components, and vibration-damping assemblies, where fatigue resistance and durability are critical.
Electrical Applications: Found in switch contacts, circuit breakers, and terminal clips, especially where both conductivity and resistance to oxidation are required.

Custom Phosphor Bronze Springs

Whether you need a standard spring profile or a part designed to meet exact operating loads, our team can help. We manufacture custom phosphor bronze springs to match your application, including advising on size, wire form, and finish. Contact us today to discuss your project. Our engineers will support you in selecting the right material and spring design for your performance needs.

Phosphor Bronze Springs

Material Properties

Applications

Custom Phosphor Bronze Springs

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