Product Specification

0.3mm 669 Stainless Steel Spring Wire with Soap Coated Surface | High Tensile Precision Spring Wire

Product Introduction

TOPONE 0.3mm 669 Stainless Steel Spring Wire is manufactured from premium 669 stainless steel using advanced cold drawing technology. Featuring a soap-coated surface, high tensile strength, and excellent spring performance, it is specially designed for precision spring manufacturing and wire forming applications.

The soap-coated surface reduces friction during forming, improves production efficiency, and protects the wire surface from damage. With stable mechanical properties and consistent quality, this wire is widely used for compression springs, extension springs, torsion springs, fishing hooks, fishing reels, and precision hardware components.

TOPONE provides reliable stainless steel spring wire with strict quality control, customized specifications, and professional export service worldwide.

Product Specifications

Product Features & Advantages

1. High Tensile Strength

With a tensile strength of 1950–2300 N/mm², this wire offers excellent elasticity, fatigue resistance, and reliable spring performance for demanding applications.

2. Soap Coated Surface

The soap-coated surface reduces friction during spring forming, improves processing efficiency, and minimizes surface wear.

3. Stable Mechanical Performance

Advanced manufacturing technology ensures:

• Accurate wire diameter

• Stable tensile strength

• Smooth surface finish

• Excellent forming performance

4. Precision Wire Drawing

Manufactured using advanced cold drawing technology to provide consistent quality, tight tolerances, and reliable spring performance.

5. Factory Direct Supply

TOPONE provides:

• Premium raw materials

• Strict quality inspection

• Customized production

• Competitive factory pricing

• Stable global supply

Applications

This 669 stainless steel spring wire is widely used for:

• Compression Springs

• Extension Springs

• Torsion Springs

• Fishing Hooks

• Fishing Reels

• Precision Hardware

• Wire Forming Parts

• Industrial Components

• Mechanical Accessories

Why Choose TOPONE?

✔ Professional Stainless Steel Wire Manufacturer

✔ Premium Quality Raw Materials

✔ Advanced Production Equipment

✔ Strict Quality Control

✔ Customized Manufacturing Service

✔ Global Export Experience

Every production batch undergoes raw material inspection, diameter testing, tensile strength testing, and final quality inspection to ensure stable and reliable product quality.

Quality Control

TOPONE follows a strict quality control process:

1. Raw Material Inspection

2. Wire Drawing Process

3. Surface Treatment

4. Diameter Inspection

5. Tensile Strength Testing

6. Final Quality Inspection

Every coil is carefully inspected before shipment to ensure consistent performance.

Frequently Asked Questions (FAQ)

Q1: What is 669 stainless steel spring wire used for?

It is widely used for compression springs, extension springs, torsion springs, fishing hooks, fishing reels, hardware components, and industrial applications.

Q2: What are the advantages of the soap-coated surface?

The soap coating reduces friction during forming, improves processing efficiency, and helps protect the wire surface during manufacturing.

Q3: Can TOPONE provide customized specifications?

Yes. We can customize wire diameter, tensile strength, surface finish, and packaging according to customer requirements.

Q4: Do you provide samples before bulk orders?

Yes. Samples are available for quality evaluation before mass production.