304 Stainless Steel Spring Wire – 0.4 mm to 2 mm, Spring Hard, High‑Performance Wire
Product Overview
Our 304 stainless steel spring wire delivers exceptional strength, corrosion resistance, and flexibility for a wide range of industrial and consumer applications. Available in a continuous range of diameters from 0.4 mm to 2 mm, this spring hard wire is engineered to meet the most demanding performance standards while maintaining a lightweight and cost‑effective profile.
Key Highlights
- Grade: 304 stainless steel – excellent resistance to rust, acids, and high temperatures
- Diameter options: 0.4 mm, 0.5 mm, 0.6 mm, 0.7 mm, 0.8 mm, 1 mm, 1.2 mm, 1.5 mm, 1.8 mm, 2 mm
- Spring hard finish – superior tensile strength and durability for long‑term use
- High‑precision drawing – consistent roundness and smooth surface finish
- Heat‑treated for enhanced elasticity and fatigue resistance
- Ready for cutting, bending, or forming into coils, springs, or custom shapes
Applications
This versatile spring wire is ideal for:
- Automotive components – suspension springs, chassis reinforcements
- Electronics – flexible connectors, coil springs in devices
- Medical equipment – precision springs, flexible tubing supports
- Construction & architecture – decorative wirework, structural reinforcements
- Consumer goods – jewelry, fashion accessories, and household gadgets
Technical Specifications
• Material: 304 Stainless Steel (Fe‑Cr alloy)
• Diameter: 0.4 mm – 2 mm (continuous range)
• Tensile Strength: ≥ 800 MPa (spring hard)
• Elongation at Break: 30% – 35%
• Surface Finish: Polished or matte, depending on client needs
• Heat Treatment: Solution annealed + aging for optimal spring properties
Why Choose Our Spring Wire?
With a proven track record of quality and reliability, our 304 stainless steel spring wire offers:
- Consistent batch-to-batch quality controlled by ISO 9001 standards
- Custom packaging options for bulk orders or small batch precision work
- Fast turnaround times and flexible lead times for urgent projects
- Competitive pricing without compromising on performance
- Expert technical support to help you select the right diameter and finish for your project
Upgrade your next project with the durability and versatility of our 304 stainless steel spring wire. Contact us today for a quote or to discuss custom specifications.
Price: $ 4.90

