302 Stainless Steel Spring Wire | ASTM A313 Precision Spring Wire Manufacturer

Product Overview

302 Stainless Steel Spring Wire (AISI 302) is a widely used stainless steel wire material for industrial spring manufacturing and precision wire forming applications. It offers an excellent balance of tensile strength, cold workability, and corrosion resistance, making it suitable for compression springs, extension springs, torsion springs, and custom wire forms.

Manufactured through precision cold drawing processes, the wire is available in Bright and Soap Coated surface finishes and can be supplied in different temper conditions to meet various spring manufacturing and automated coiling requirements.

The product is produced according to ASTM A313 standards and can be supplied with Mill Test Certificates (MTC) and quality inspection reports upon request.

Product Specifications

Product Features

Excellent Corrosion Resistance

302 stainless steel contains chromium and nickel, providing reliable corrosion resistance for various industrial environments and spring applications.

High Tensile Strength

The material offers excellent tensile strength and resilience, making it ideal for manufacturing springs and elastic components requiring long service life.

Superior Cold Formability

Designed for automated spring coiling and wire forming processes, the wire provides excellent forming performance and dimensional consistency.

Wide Diameter Range

Available in diameters from 0.10 mm to 12.00 mm, suitable for both miniature precision springs and heavy-duty industrial spring applications.

Flexible Customization

Customized specifications are available, including:

• Diameter

• Coil Weight

• Surface Finish

• Packaging Method

• Mechanical Properties

Applications

302 Stainless Steel Spring Wire is widely used in:

• Compression Springs

• Extension Springs

• Torsion Springs

• Precision Wire Forms

• Automotive Components

• Industrial Equipment

• Valve Springs

• Hydraulic Components

• Agricultural Machinery

• Energy Equipment

• Marine Hardware

• Conveyor Systems

• Electronic Hardware

• Precision Mechanical Parts

Quality Control

To ensure stable quality and consistent performance, the following inspections can be conducted during production:

• Chemical Composition Analysis

• Diameter Tolerance Inspection

• Tensile Strength Testing

• Surface Quality Inspection

• Coil Consistency Inspection

• Material Traceability Verification

• Mill Test Certificate (MTC) Issuance

Frequently Asked Questions

What is 302 stainless steel spring wire used for?

302 stainless steel spring wire is commonly used for manufacturing industrial springs, wire forms, and precision mechanical components.

What diameter range is available?

Standard production ranges from 0.10 mm to 12.00 mm. Customized diameters can also be produced based on customer requirements.

Does the wire comply with ASTM standards?

Yes. The product is manufactured in accordance with ASTM A313 standards.

Can customized specifications be provided?

Yes. Diameter, temper condition, surface finish, coil weight, packaging, and mechanical properties can all be customized according to project requirements.

Why Choose Our 302 Stainless Steel Spring Wire?

• ASTM A313 compliant production

• Stable mechanical properties

• Strict quality control procedures

• Wide size availability

• Flexible customization options

• Professional export packaging solutions

• Fast delivery and global supply capability

Contact us today for technical support, quotations, samples, and customized solutions for your spring wire applications.