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Hard Drawn Steel Wire

Hard Drawn Steel Wire

The Hard Drawn Steel Wire manufactured and supplied by NAN CHENG Enterprise is one of the most widely used spring materials in the industrial sector today. All products are strictly manufactured in compliance with the JIS G 3521 international standard, using high-quality SWRH 42A–82B high-carbon steel wire rods, processed through a precision cold drawing process. Compared with conventional wire materials on the market, NAN CHENG's hard drawn steel wire undergoes stringent heat treatment and drawing process control, delivering excellent tensile strength, surface hardness, and dimensional stability. Whether applied in high-stress mechanical springs or complex metal wire forming, it consistently demonstrates outstanding cost performance and long-term durability.
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FEATURES

Hard Drawn Steel Wire Features｜High Carbon Spring Wire Supplier

NAN CHENG Enterprise supplies Hard Drawn Steel Wire manufactured in accordance with JIS G 3521. Made from SWRH 42A–82B high-carbon steel wire rods and processed through precision cold drawing, this wire offers excellent tensile strength, dimensional stability and cost-effective performance for spring manufacturing and metal forming applications.

  • High tensile strength and toughness: Available in SWA, SWB and SWC grades to meet different spring strength requirements.
  • Good elasticity and resilience: Suitable for compression springs, extension springs, torsion springs and elastic hardware components.
  • Excellent formability: Stable microstructure supports smooth coiling, bending and forming on automated production equipment.
  • Phosphate coated surface: Helps retain lubricant, reduce die wear and improve production yield during spring forming.
  • Stable dimensional accuracy: Wire diameter can be controlled according to JIS requirements or customer drawings, with precision tolerance available upon request.
Supply Capability:
✔ Diameter range: Ø0.2 mm – Ø13.0 mm
✔ Grades available: SWA / SWB / SWC
✔ Custom cutting and special processing available
✔ Suitable for trial orders, mass production and long-term supply
✔ Stable supply from Taiwan for Asia-Pacific buyers

Please provide your wire diameter, grade, application or drawing. NAN CHENG can assist with material selection and quotation.

Specifications

Hard Drawn Steel Wire Specifications｜JIS G 3521 Standard

Item Specification Details
International Standard JIS G 3521
Material SWRH 42A – SWRH 82B High-Carbon Steel
Wire Diameter Ø0.2 mm – Ø13.0 mm
Strength Grades SWA, SWB, SWC
Surface Treatment Phosphate coating, rust-preventive oil, customizable surface treatment
Dimensional Tolerance JIS standard or customer drawing requirements
Supply Form Coil, carrier, cut-to-length upon request
Grade Selection Guide:
SWA: Suitable for low-stress hardware parts and simple forming applications.
SWB: General-purpose grade for mechanical springs, mattress springs and common industrial use.
SWC: Higher tensile strength grade for high-stress applications and fatigue-resistant components.
Procurement Support:
✔ Material selection advice
✔ Custom diameter and cutting length evaluation
✔ Stable stock and repeat supply support
✔ Suitable for spring manufacturers and metal forming factories

Applications

Applications of Hard Drawn Steel Wire｜Spring, Hardware and Industrial Components

Hard Drawn Steel Wire is widely used as a cost-effective high-carbon spring wire material. It is suitable for applications requiring strength, elasticity, formability and stable dimensional control.

  • Spring manufacturing:
    Compression springs, extension springs, torsion springs and general mechanical springs.
  • Automotive and motorcycle parts:
    Seat springs, return springs, brake-related wire parts and formed metal components.
  • Hardware and industrial products:
    Hooks, rings, fasteners, clips and various formed wire parts.
  • Electrical and consumer products:
    Switch springs, elastic metal components, bicycle parts, sports equipment and umbrella structures.

Hard Drawn Steel Wire FAQ

Q: What is Hard Drawn Steel Wire?
A: Hard Drawn Steel Wire is a high-carbon steel wire produced through cold drawing. It offers high tensile strength, good elasticity and stable formability for spring and metal forming applications.
Q: What is the difference between SWA, SWB and SWC?
A: SWA is suitable for lower-stress applications, SWB is a general-purpose grade, and SWC is used for higher-strength or higher-stress applications.
Q: Can Nancheng provide custom wire processing?
A: Yes. NAN CHENG supports custom cutting length, surface treatment and processing based on customer drawings or application requirements.
Q: Is this wire suitable for spring manufacturing?
A: Yes. Hard Drawn Steel Wire is commonly used for compression springs, extension springs, torsion springs and general mechanical springs.
Q: How can I request a quotation?
A: Please provide the wire diameter, grade, application, required quantity and any drawing if available. NAN CHENG will provide material suggestions and quotation support.

Hard Drawn Steel Wire Manufacturer in Taiwan for Spring and Metal Forming Applications

For spring manufacturers and metal forming companies, selecting a reliable Hard Drawn Steel Wire supplier is essential for stable production quality. NAN CHENG Enterprise is a Taiwan-based steel wire manufacturer supplying Hard Drawn Steel Wire in accordance with JIS G 3521, using high-carbon steel materials suitable for springs, hardware components and industrial wire forming.

Compared with general-purpose wire materials, hard drawn spring wire provides a practical balance of tensile strength, elasticity, formability and cost efficiency. It is commonly used by manufacturers in Japan, Korea, Vietnam, Thailand and Malaysia for mechanical springs, formed wire parts and industrial hardware.

NAN CHENG also supplies related spring wire products, including Piano Wire, Oil-Tempered Chromium–Silicon Alloy Steel Wire for Mechanical Springs and Stainless Steel Wire for Springs, allowing customers to select the most suitable material for different spring performance requirements.

Through its Technology and Quality Control system, Nan cheng supports material inspection, process control and stable supply management to help customers reduce production risk and improve product consistency.

Contact NAN CHENG with your required diameter, grade, quantity and application. Our team will provide suitable material recommendations and quotation support.