In the world of high-performance materials, some names echo louder than others. You’ve likely heard of Monel® 404—a staple in high-frequency electrical applications. But have you met its equally powerful, high-integrity counterpart?

Introducing DOMADIA™ Silverin 404, our signature nickel-copper alloy based on the globally recognized UNS N04404 / ASTM F96 standard.

Here’s the truth: while Monel® is a registered trademark of Special Metals Corporation, DOMADIA™ Silverin 404 it is a qualified equivalent engineered for excellence. Let’s unpack what makes it exceptional.

Chemical Composition of Silverin 404 (UNS N04404)

ElementContent (%)
Nickel (Ni)52.0 – 57.0
Copper (Cu)Balance (typically ~45%)
Iron (Fe)≤ 1.0
Manganese (Mn)≤ 1.25
Silicon (Si)≤ 0.5
Carbon (C)≤ 0.15
Sulphur (S)≤ 0.024

This precise blend allows Silverin 404 to achieve superior electrical conductivity, thermal resistance, and magnetic neutrality — ideal for sensitive electronic environments.

Technical Specifications

  • UNS N04404
  • Standard: ASTM F96
  • Density: ~8.88 g/cm³
  • Melting Point: ~1300–1350 °C
  • Electrical Resistivity: ~0.36 µΩ·m
  • Modulus of Elasticity: 175 GPa
  • Thermal Conductivity: 21.8 W/m·K
  • Magnetic Permeability: Low (non-magnetic in annealed condition)
  • Formability: Excellent (Cold and hot worked)

Available Shapes

DOMADIA™ Silverin 404 is supplied in a variety of industrial forms:

Available forms/shapes are foil, plates, rods, strips, bars, sheets and custom shape as per requirement.

This makes it a versatile choice for OEMs, repair shops, and research labs alike.

Key Properties of DOMADIA™ Silverin 404

  • High Electrical Conductivity – Excellent for transformer and relay components.
  • Low Thermal EMF – Crucial in thermocouples and sensitive electronic circuits.
  • Non-Magnetic Nature – Ideal for environments requiring minimal electromagnetic interference.
  • Excellent Corrosion Resistance – Performs well in marine and atmospheric conditions.
  • Dimensional Stability – Maintains form even at elevated temperatures.

Applications Across Industries

DOMADIA™ Silverin 404 is tailor-made for high-frequency and precision electrical applications, including:

  • Electronic and Electrical Devices: Used in components where low permeability and good brazing are needed, such as electronic parts and capsules for transistors. 
  • Marine Fixtures: Resistant to corrosive environments, making it suitable for marine applications. 
  • Chemical Processing Equipment: Offers excellent corrosion resistance in various chemical environments. 
  • Boiler Feed Water Heaters: Used in heat exchangers due to its heat resistance and corrosion resistance. 
  • Other Heat Exchangers: Suitable for applications where high temperature and corrosion resistance are required. 
  • Fasteners: Offers strength and corrosion resistance in various fastening applications. 
  • Valves and Pumps: Used in components that require high strength and corrosion resistance. 
  • Shafts and Fittings: Used in components that require high strength and corrosion resistance. 
  • Ceramic-to-Metal Seals: Useful in applications where a strong bond between ceramic and metal is needed. 
  • Composite Metal Tubes: Its thermal expansion properties make it suitable for composite tube production. 

Its unique low thermal EMF and high conductivity make it indispensable in signal-sensitive environments.

Standards & Certifications

  • Compliant with ASTM F96
  • Material designation: UNS N04404
  • Equivalent to Monel® 404, but not affiliated

⚠️ Disclaimer:Monel® is a registered trademark of Special Metals Corporation. DOMADIA™ Silverin 404 is our proprietary brand, offering a performance-based, independently produced alternative equivalent in composition and function. We do not represent or distribute Monel®.

We use precision-controlled melting processes, certified quality assurance, and stringent composition standards to ensure our alloy meets or exceeds performance benchmarks of globally recognized materials.

Why Choose DOMADIA™ Silverin 404 ?

  1. Material Integrity: Certified to ASTM standards with documented traceability.
  2. Equivalent Performance: Electrical, thermal, and magnetic specs match Monel® 404.
  3. Custom Availability: We offer custom sizes, finishes, and packaging.
  4. Pricing Flexibility: Cost-effective without compromising on quality.
  5. Brand Assurance: Backed by DOMADIA™’s reputation for reliable specialty metals.

Conclusion: A Smart Move for Smart Applications

If you’re looking for a trusted, high-performance nickel-copper alloy for high-frequency and signal-critical applications, DOMADIA™ Silverin 404 (UNS N04404) delivers all the value of Monel® 404—with the added advantage of direct support, form flexibility, and brand commitment.

Make the switch to Silverin 404 and experience precision engineering backed by metallurgical integrity.

Choose DOMADIA™ Silverin 404 for unmatched reliability, conductivity, and corrosion resistance.
📩 Get in touch today for custom sizes, technical datasheets, or a quick quote!

👉 Contact Us Now | 🌐 Visit: www.domadia.net

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