spring steel strip

Spring Steel Strip For Durability and Reliability

Manufacturers fashion C75 / SAE1075 spring steel strip into sturdy components for myriad industries. Their resilience and durability deliver long life-cycles with minimal maintenance requirements.

The material’s elasticity determines how much force it can reliably absorb and re-exert. Choosing the right steel also optimizes fatigue properties. This requires uniform material hardness and precise geometric tolerances.


The strength of spring steel is what sets it apart from many other types of materials. This quality makes it a go-to choice for manufacturers across a wide range of industries. Whether you’re looking for a spring, clamp, or washer, chances are, you will find it made from C75 or SAE1075 steel strip.

The secret behind this material’s strength lies in its composition and heat treatment process. The steel alloy used to make it typically has a medium carbon content and contains elements such as silicon, manganese, chromium, and vanadium spring steel strip that increase strength and hardiness. It is then heat treated through quenching and tempering, which dramatically enhances its elasticity.

This unique combination of resilience and strength gives the metal the ability to withstand considerable twisting or bending forces without being permanently deformed. Its high yield strength also allows it to be formed, shaped, and post-heat treated with ease.

For instance, cold rolled spring steel can be passivated to remove iron deposits and prevent corrosion. It’s important to work with a supplier that understands the complexity of this type of steel and can provide you with the best possible finish. This could be a chemical passivation solution that targets iron and its compounds or it could be a mechanical finish. Either way, it is essential to the integrity and longevity of your product.


The length of spring steel strip can vary significantly depending on the application. The elasticity of spring steel is derived from its ability to withstand bending and twisting forces without permanent deformation. This is achieved through a combination of the composition and heat treatment of the alloy. The length can also be affected by the way it is handled during fabrication.

Cold forming and punching processes can affect the elasticity of spring steel, which must be taken into account when designing tools. To regain the original elasticity, it is necessary to temper 1.1248 spring steel strip at 225 °C for 1/2 to 1 hour after forming.

Alloy spring steels are commonly used for conditions of high stress and shock or impact loadings. These spring steels typically have a higher carbon content and are annealed or pre tempered. They may also contain additional elements such as silicon and manganese to enhance strength and hardness.

301 stainless steel strip is often used in the automotive industry for spring clips and washers. Its resilience and durability help ensure the smooth operation of vehicles. It can also be used in Tinplate Sheet supplier a number of other industries where toughness and reliability are essential. For example, in agriculture, tractors and other agricultural machinery rely on the tensile strength and corrosion resistance of C75 / SAE1075 spring steel strips.

Corrosion Resistance

Corrosion resistance is a key characteristic of spring steel, as it helps the materials stand up to harsh environments. The corrosion-resistance of the material depends on its operating environment and how it interacts with other metal components. Most of the time, springs are in direct contact with other metal parts, so it is crucial to choose a suitable metal for the job that can withstand the operating conditions without losing its reliability.

Stainless steels such as 301 provide the best corrosion-resistance properties, as they are resistant to stress corrosion cracking and are nonmagnetic. These types of springs are often used in applications that require them to reliably absorb and re-exert force, such as the spring diaphragms in automobile seats and retractor springs for seat belt systems.

The corrosion resistance of a stainless steel spring can also be enhanced through the use of metallic coatings such as chromium and silver. This process involves exposing the spring steel to an electroplating solution, which binds a positively charged metal to its surface. This prevents the spring from being exposed to oxygen, which causes corrosion.

Another option to protect spring steel is through passivation, which removes any iron deposits from its surface. Using this technique, a spring can maintain its corrosion-resistant properties without the need for constant maintenance. Spring steel strip is often annealed and subsequently passivated, making it suitable for various applications.


Whether you’re using spring steel strip for heavy-duty springs or for another type of application, durability is one of the most important factors to consider. A durable material can withstand constant stress over long periods of time and will last longer than a less durable option.

High-durability materials have a good combination of both tensile strength and yield strength, which is the amount of force that needs to be applied to the metal to cause permanent deformation or plastic deflection. This is why spring steels are often able to withstand significant twisting and bending forces without suffering any distortion.

Durability is also essential for reducing maintenance requirements and costs. Springs made from 301 stainless steel, for example, can be coated with a passivation finish that protects them against corrosion by eliminating iron compounds and inhibiting the growth of microorganisms.

Durability is the unsung hero of many industrial applications, from consumer goods to aerospace equipment. It ensures that the performance of your product will remain consistent over time, which is particularly important in industries where safety standards and regulatory compliance are paramount. Moreover, it can help you reduce the environmental impact of your products by extending their lifespan and requiring less frequent replacements.

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