Tensile Strength Vital in Coil Spring Design

The article discusses the importance of tensile strength in coil spring design, particularly in automotive applications. It highlights that higher tensile strength materials result in more durable and long-lasting springs. However, designers must balance this with cost considerations.

High tensile springs, typically used in heavy-duty applications like automotive and military suspensions, offer several benefits:

1. Lighter Weight: These springs are made from smaller diameter wire, reducing weight compared to traditional materials. Despite potentially higher costs, this results in more stability for vehicle unsprung weight.
2. Increased Travel: High tensile springs allow for improved travel, making them suitable for coil-over applications and scenarios where travel is crucial. They have a lower solid height, reducing the risk of coil bind during compression and ensuring free length over time.

Overall, high tensile springs offer enhanced performance and durability, making them ideal for heavy-duty and demanding environments.