About 304L Fine Wire


304L fine wire is a high-quality stainless steel wire known for its excellent corrosion resistance and durability. With a low carbon content, it’s suitable for welding applications, offering superb formability and strength. Commonly used in industries like aerospace, medical devices, and electronics, it meets stringent quality standards for precision engineering needs.


304L fine wire chemical composition

The chemical composition of 304L fine wire typically consists of:

  • Iron (Fe): Balance
  • Chromium (Cr): 18-20%
  • Nickel (Ni): 8-12%
  • Manganese (Mn): ≤2.00%
  • Silicon (Si): ≤1.00%
  • Carbon (C): ≤0.03%
  • Phosphorus (P): ≤0.045%
  • Sulfur (S): ≤0.030%

These elements contribute to its corrosion resistance, strength, and other mechanical properties.

 304L fine wire physical properties

304L fine wire exhibits the following physical properties:

  • Density: Approximately 8.0 g/cm³
  • Melting Point: Around 1400-1450°C (2550-2640°F)
  • Electrical Conductivity: Good electrical conductivity due to its metallic nature
  • Thermal Conductivity: Moderate thermal conductivity
  • Magnetic Properties: Typically non-magnetic in annealed condition, may exhibit slight magnetism after cold working
  • Tensile Strength: Typically in the range of 485-515 MPa (70,000-75,000 psi)
  • Elongation: Usually around 55-60%
  • Hardness: Typically in the range of 160-180 HB (Brinell hardness)

These properties make it suitable for various applications in industries like aerospace, medical, and electronics.


304L fine wire mechanical properties

The mechanical properties of 304L fine wire are typically as follows:

  • Tensile Strength: Approximately 485-515 MPa (70,000-75,000 psi)
  • Yield Strength: Approximately 170-205 MPa (25,000-30,000 psi)
  • Elongation: Typically around 55-60%
  • Modulus of Elasticity: Approximately 193 GPa (28,000,000 psi)
  • Poisson’s Ratio: Approximately 0.29
  • Hardness: Usually in the range of 160-180 HB (Brinell hardness)

These properties highlight its strength, ductility, and resilience, making it suitable for demanding applications where both strength and formability are essential.



304L fine wire Applications

304L fine wire finds applications across various industries due to its corrosion resistance, durability, and formability. Common uses include:

  1. Aerospace: Wiring harnesses, safety wire, and fasteners.
  2. Medical: Surgical instruments, orthodontic appliances, and medical implants.
  3. Electronics: Conductive elements, connectors, and miniature components.
  4. Automotive: Fuel lines, sensors, and exhaust systems.
  5. Construction: Structural elements, mesh, and reinforcement wire.
  6. Jewelry: Fine wire for intricate designs and settings.
  7. Food and Beverage: Conveyor belts, filters, and sieves due to its hygienic properties.
  8. Chemical Processing: Heat exchangers, piping, and tanks for corrosive environments.
  9. Textile Industry: Wire mesh for sieving and filtration applications.
  10. Marine: Rigging, fittings, and marine hardware due to its resistance to saltwater corrosion.

These diverse applications showcase the versatility and reliability of 304L fine wire in demanding environments.