65Mn Carbon Steel Extension Spring
This extension spring is made from 65Mn carbon steel. It is available in custom sizes and styles based on provided drawings, with wire diameters ranging from 1.0mm to 7.0mm.





Technical Specifications
Product Overview
High-Performance 65Mn Carbon Steel Extension Springs
These extension springs are engineered from 65Mn carbon steel, offering exceptional elasticity and durability for demanding mechanical applications. Available in diverse configurations and wire diameters, these components are designed to withstand repeated extension and compression cycles with consistent performance. They are ideal for high-precision use cases, including automotive systems, industrial equipment, and various consumer electronic applications.
Technical Specifications
Surface Treatment Options
- Wire Diameter Range
- 0.15mm - 50mm
- Available Materials
- 65Mn Carbon SteelSWC Carbon SteelCold Roller SteelStainless Steel (SUS)Beryllium CopperPhosphor CopperBrassMusic/Piano Wire (SWP)60Si2Mn55CrSi
Applications
Primary Applications
- Electronic products
- Children’s toys
- Locks and Watches
- Glasses and Precision equipment
- Bicycles and Baby carriages
- Kitchen appliances
- Cameras and Office equipment
- Various vehicle systems
Customization
Customization Data Required
| Parameter |
|---|
| Material |
| Wire diameter |
| Surface treatment |
| Inner & Outer diameter (ID/OD) |
| Free & Work length |
| Total & Active coils |
| Application |



