309S stainless steel spring wire

Stainless steel spring wire is a specialized product ideal for springs and applications where high corrosion resistance and resilient spring properties are essential. The unique stainless steel composition of 309S stainless steel spring wire ensures superior strength and durability, even in harsh environments, with tensile strengths often exceeding 2000 N/mm². This wire is used in various springs, such as compression, extension, torsion, and aerosol springs, as well as music wire for piano and guitar strings.

Product Specifications

• Material: 309/309S stainless steel spring wire
• Type: Spring Wire
• Standards: ASTM A580, JIS G4309, EN 10088-3, GB/T4240
• Surface Finishes: Bright, matte, downy, electrolysis bright, cloudy, plain, black
• Condition: Annealed, soft, 1/2 hard, 3/4 hard, full hard
• Diameter Range: φ0.15mm–φ16mm (customizable)
• Packing Options: Woven bag, core, wooden reel

Applications

This 309S stainless steel spring wire is ideal for high-quality springs, bolts, nuts, shafts, welded wire, and more. With its excellent resistance to rust, strength, elasticity, and impact resistance, this wire is a reliable choice for industries requiring robust, corrosion-resistant solutions.