Springs

Verified by Mel Sykes, Industrial Supply Chain Specialist - April 2026

Specification	Details
Types	Compression, extension, torsion, disc (Belleville), wave, gas springs, constant force
Materials	Music wire, stainless steel, phosphor bronze, Inconel, titanium
Standards	BS 1726 (cylindrical springs), EN 13906 (design calculation), ISO 10243 (die springs)
Manufacturing	CNC coiling, hot coiling, wire forming, flat stamping

## What are Springs? Springs are mechanical components designed to store and release energy through elastic deformation. They come in various types and materials tailored for specific applications across industries like automotive, aerospace, and manufacturing. ## Types of Springs Springs can be categorized into several types: compression, extension, torsion, disc (Belleville), wave, gas, and constant force springs. Compression springs are used to resist applied compressive forces. Extension springs provide resistance against tensile forces. Torsion springs work by twisting around their axis. Disc or Belleville springs offer high load capacities in thin profiles. Wave springs fit compact spaces with multiple coils. Gas springs use compressed gas for smooth motion and force regulation. Constant force springs supply a consistent pulling or pushing force. ## Materials and Specifications Springs are typically made from music wire, stainless steel (e.g., A2-70), phosphor bronze, Inconel, titanium, and carbon steel (EN8). Each material has unique properties such as corrosion resistance, strength, and durability. Standards like BS 1726 for cylindrical springs, EN 13906 for design calculations, and ISO 10243 for die springs ensure uniform quality across the industry. ## How to Choose the Right Springs Choosing the right spring involves considering factors such as load requirements, space constraints, environmental conditions, and durability. Compression springs need precise coil geometry and material strength to handle compressive loads efficiently. Extension springs must withstand tensile forces without deforming under stress. Torsion springs require high torque resistance for rotational applications. Material grades like A2-70 stainless steel or EN8 carbon steel ensure longevity in corrosive environments. ## UK Suppliers MLC lists verified suppliers from Companies House, ensuring that engineers and procurement managers can find reliable sources of Springs. These suppliers adhere to industry standards and offer a range of products suitable for various applications. Whether you need precision-engineered compression springs, strong extension springs, or specialized torsion springs, MLC provides access to trusted manufacturers. ## Common Applications Springs are used in numerous applications across industries. In automotive engineering, they provide shock absorption and seat adjustment mechanisms. Aerospace uses them for landing gear retraction systems and aircraft doors. Manufacturing relies on Springs for machinery control and automation processes. The medical industry employs precision springs in surgical instruments. Construction incorporates Springs in building safety devices like fire exits and window locks. Understanding the nuances of Spring types, materials, and standards helps engineers select the most appropriate components for their projects, ensuring optimal performance and reliability.