Phosphor Bronze Springs: Durable and Versatile for Various Applications

Phosphor bronze, a copper-based alloy, is widely recognized for its exceptional properties, making it an ideal material for manufacturing springs. At HSI, we offer a diverse range of phosphor bronze springs tailored to meet various industrial requirements.

Properties of Phosphor Bronze

Phosphor bronze exhibits several key properties that make it an excellent choice for spring manufacturing:

• Wear Resistance: Phosphor bronze is highly resistant to wear, ensuring longevity and durability.
• Fatigue Resistance: The alloy has high fatigue resistance, making it suitable for applications involving repetitive motion or cyclic loading.
• Corrosion Resistance: Phosphor bronze offers excellent resistance to corrosion, ensuring reliability even in harsh environments.
• Tensile Strength: It possesses good tensile strength, providing the necessary strength for spring applications.
• Machinability: Phosphor bronze is easy to machine, allowing for precise fabrication of complex spring designs.
• Solderability and Formability: The alloy exhibits good solderability and formability, facilitating easy manufacturing processes.
• Electrical Conductivity: It has excellent electrical conductivity, making it suitable for electrical applications.
• Ductility: Phosphor bronze is highly ductile, enabling it to withstand deformation without fracture.

Advantages of Phosphor Bronze Springs

Phosphor bronze springs offer numerous advantages, including:

• Repetitive Motion Tolerance: They can tolerate repetitive motion without compromising performance or integrity.
• Resistance to Strain: Phosphor bronze springs are more resistant to strain compared to non-alloy components.
• Corrosion Resistance: They offer exceptional resistance to corrosion, ensuring reliability in corrosive environments.
• Versatility: Phosphor bronze is a versatile material suitable for a wide range of applications.
• Electrical and Thermal Conductivity: These springs exhibit good electrical and thermal conductivity, making them suitable for various electrical and electronic applications.
• Moisture and Oil Resistance: They resist moisture and oils, making them ideal for applications such as wind instruments.

Applications

Phosphor bronze springs find application in diverse industries and applications, including:

• Marine Fuel Pumps
• Oil Rigs
• Oil Pipeline Valves
• Computers
• Automotive Shock Absorbers, Stabilizers, and Gearboxes

Contact Us

At HSI, we prioritize our customers' design requirements to provide tailored solutions. For all your queries and design requirements related to phosphor bronze springs, please contact us at sales@hariomespring.com. Our experienced staff is dedicated to assisting you with your spring needs.

Choose HSI for durable and versatile phosphor bronze springs designed to meet your specific industrial requirements.

Phosphor Bronze Springs Specifications

We have phosphor bronze springs of following specifications available with us:

Maximum Operating Temperature	200°F
Nominal Chemistry	Cu 94.0 – 96.0% Sn 4.0 – 6.0%
Modulus of Elasticity (E)	15 (103)
Modulus in Torsion	6.25 (43.1)
Minimum Tensile Strength (psi x 103)	105-145
Rockwell Hardness	B98-104
Density (lb/in3)	0.32
Gravitational Constant	63,000,000
Size Range	0.003ʺ to 0.468ʺ
Elasticity	15,000,000
Standard	ASTM B159

Chemical Composition of Phosphor Bronze Springs

The chemical composition of these types of springs is:

Content	Percentage
Tin	5.50-7.00%
Zinc	0.30% max.
Iron	0.10% max.
Lead	0.05% max.
Phosphorus	0.03-0.35%