Introduction: The Underrated Marine Warrior

Ever heard of an alloy that survives salty sea air, resists barnacle buildup, and quietly powers electric circuits without demanding attention?

Meet DOMADIA™ CuNi6 toCuNi8, also known as UNS C70500—a low-nickel copper alloy that might not make headlines, but it quietly supports industries where reliability is non-negotiable.

In a world where performance in harsh conditions is key, DOMADIA™ CuNi6 toCuNi8 is your go-to metal. Whether you’re building marine engines, designing robust connectors, or developing electronics that must not fail—this alloy is the unsung hero you’ve been searching for.

The chemical composition of DOMADIA™ CuNi6 to CuNi8 (equivalent to UNS C70500)

CompositionContent (%)
Copper, CuBalance
Nickel, Ni5.8-7.8
Zinc, Zn0.2 max
Manganese, Mn0.15 max
Iron, Fe0.1 max
Lead, Pb0.05 max

Key Properties

  • Corrosion Resistance: Exceptional in brine, seawater, and saline environments
  • Thermal Stability: Maintains shape and properties at elevated temperatures
  • Conductivity: Good electrical and thermal conductivity for connectors and contacts
  • Formability: Excellent machinability, weldability, and cold-working
  • Antimicrobial Properties: Naturally resists biofouling in marine environments

Standards Compliance

  • UNS C70500
  • ASTM Specifications: ASTM B122, B171 (for plate, sheet, strip)
  • ISO & EN Standards: Upon request based on application

Applications Across Industries

1. Marine & Shipbuilding
From hull linings to desalination systems, DOMADIA™ CuNi6 to CuNi8’s anti-corrosive strength thrives in oceans and brine-infested zones.

2. Automotive
Used in braking systems and heat exchangers where thermal fatigue and salt exposure are common.

3. Electrical & Electronics
Connectors, terminals, and relays benefit from its conductivity and mechanical resilience.

4. HVAC & Heat Exchangers
An excellent choice for high-performance heat-transfer components, especially under saline and humid conditions.

5. Medical Equipment
Due to its antibacterial properties, it also finds limited use in sterile medical environments.

6. Seawater Systems
UNS C70500 is suitable for components in seawater environments due to its corrosion resistance. 

7. Heating Cables
It’s used in forming wires for low-temperature heating cables. 

9. Other Applications
Copper-nickel alloys, including UNS C70500, can be found in applications like condensers, coolers, heat exchangers, and systems for compressed air, sanitary systems, bilge, ballast water, brine, fire mains and sprinklers, fuel oil, lube oil, hydraulic lines, and grey and black water systems. 

10. General Purpose
UNS C70500 is suitable for general purpose applications due to its good mechanical properties and resistance to corrosion. 

Shapes and Forms Available

You can order DOMADIA™ CuNi6 toCuNi8 in:

  • Foils – for shielding, sensors, electronics
  • Strips – for connectors, battery tabs
  • Plates – for marine fittings and load-bearing panels
  • Bars – for turned components
  • Rods – for bushings and custom CNC parts
  • Sheets – for HVAC, electrical panels

Need custom shapes? We’re ready to cut, slit, or roll as per your blueprint.

Why Choose DOMADIA™ CuNi6 to CuNi8?

DOMADIA™ CuNi6 to CuNi8isn’t just a material—it’s a solution. When your project needs endurance, resistance, and flexibility in one package, this alloy answers with confidence.

Whether you’re prototyping or scaling up, our material meets tight tolerances and critical standards.

Conclusion: Think Long-Term, Choose DOMADIA™ CuNi6 to CuNi8

When the environment is tough, you need something tougher—DOMADIA™ CuNi6 toCuNi8 UNS C70500. With its versatile applications, impressive specs, and seaworthy resistance, this alloy guarantees peace of mind across industries.

So if you’re designing for durability, don’t settle for ordinary. Choose DOMADIA™ CuNi6 toCuNi8.

📩 Contact us today or visit https://domadia.net/ to explore DOMADIA™ CuNi6 to CuNi8 UNS C70500.

Need help choosing the right form factor?  Contact our experts today!

Talk to: Kairav Domadia | Aadil Domadia | Er.Pankaj Domadia | Pragati Sanap | Pooja N N | Shivani Kanojia