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204CU Stainless Steel Wire 

204CU Stainless Steel Wire is strong, versatile, while also being cost-effective.

Stainless Steel Products manufactures Stainless Steel 204Cu alloy in round wire, flat wire, cut to length for the performance you need for the most demanding uses.


Stainless Steel 204Cu alloy is one of the most popular austenitic steel alloys, and offers a long list of benefits when made into wire:

  • Strong
  • Wear Resistant
  • Good for high-pressure parts
  • Cost-effective
  • Good Formability

Having the right blend

Stainless Steel 204Cu alloy is a blend of carbon, chromium, copper, iron, manganese, molybdenum, nickel, nitrogen, and silicon materials. Stainless Steel 204Cu alloy is composed of:

Carbon0.15, max.
Silicone1.00, max.
Phosphorus0.060, max.
Sulfur0.030, max.
Molybdenum1.00, max.
OtherN=0.25, max.

*This is for information purposes only. Actual numbers may vary.


Density, g/cm3 (lb/in3)7.81 (0.282)
Melting point, °C (°F)1400-1450 (2552 -2642)
Specific heat capacity, J/kg·K (Btu/lb ·°F) at 20 °C (68 °F)511 (0.119)
Electrical resistivity, μΩ·m at 20°C (μΩ·in at 68 °F)0.763
Magnetic permeability1.02 (Approximate)
Elastic modulus (Modulus of Elasticity),  Gpa (ksi)200 (29)
Thermal conductivity, W/m·K (Btu/ft · h ·°F)15.0 (8.7) at 100 °C (212 °F)
22.3 (12.9) at 500 °C (932 °F)
Coefficient of thermal expansion (CTE), 10-6/K (μin./in. ·°F)17.1 (9.5) at 0-100 °C (32-212 °F)
19.4 (10.8) at 0-315 °C (32-600 °F)

*This is for information purposes only. Actual numbers may vary.

Supplying the wire, you need

Wire made from Stainless Steel 204Cu alloy has many uses in many industries. Today, Stainless Steel 204Cu alloy wire is widely used in the computer, communications, security, tobacco, energy, food processing, wire manufacturing, cold forming, hardware, fasteners, filtration, mesh, and screen industries. Wire manufactured from Stainless Steel 204Cu can be used for:

  • Fasteners
  • Non-magnetic applications
  • Mesh
  • Filters
  • Screens
  • Computer hardware
  • Communications hardware
  • Security hardware
  • Food processing
  • Springs
  • Flanges

Delivering the best Stainless Steel 204Cu alloy wire

Since 1995, Stainless Steel Products has developed and delivered high-performing, long-lasting Stainless Steel 204Cu alloy wire.

Stainless Steel Products has the experience, expertise and equipment to provide the Stainless Steel 204Cu alloy round wire, flat wire, cut to length you require.


  • Operating since 1995
  • Supply and serve industries and manufacturers across the globe


  • Dedicated engineering assistance from a worldwide network of technical professionals
  • Keen attention to detail in all manufacturing phases
  • Superior customer service
  • Expedient, timely delivery


  • Headquartered in the United States of America
  • Utilize rolling mills, drawing, spooling and coiling equipment.
  • In-house round and flat wire cleaning available
  • Expansive inventory of materials in stock for quick shipment


Ferrous or non-ferrous, we work with most alloys available on the market today. Below is a list by major alloy family class:

Other Alloys

Industries We Serve

SSP works with all major industries on various product applications.  Take advantage of our breadth of knowledge on a wide variety of specifications and requirements!

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