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Grade: Cu-Ni 90/10 (UNS C70600, CW352H)
Chemical Composition: Cu 89–91%, Ni 9–11%, Fe 1.0–1.8%, Mn ≤ 1.0%
Density: 8.9 g/cm³
Melting Point: 1090–1140°C
Tensile Strength: ≥ 340 MPa
Yield Strength (0.2% offset): ≥ 105 MPa
Elongation: ≥ 30%
Working Temperature Range: Up to 400°C
Standard: ASTM B111 / B466 / B467 / B171
Origin: China
Forms Available: Rod, bar, tube, sheet, plate, and fitting
The Copper-Nickel Cu-Ni 90/10 Alloy (UNS C70600) is an alloy composed of 90% copper and 10% nickel, known for its excellent corrosion resistance, especially in marine and seawater environments. With superior resistance to biofouling, erosion, and stress corrosion cracking, this alloy has become the preferred choice for heat exchangers, condensers, and seawater piping systems. Its mechanical stability, combined with good weldability and formability, ensures reliable long-term performance in demanding applications.
Exceptional Seawater Corrosion Resistance: Withstands saltwater and brine environments without degradation.
Anti-Fouling Properties: Naturally resists marine organism attachment, reducing maintenance needs.
Excellent Thermal Conductivity: Ideal for heat exchangers and cooling systems.
Good Mechanical Strength: Maintains structural integrity under high pressure and temperature.
Outstanding Weldability: Easily fabricated and welded using conventional methods.
High Resistance to Erosion and Cavitation: Perfect for components exposed to high-velocity seawater flow.
Marine Engineering: Seawater pipelines, condenser tubes, ship hulls, and heat exchangers.
Desalination Plants: Ideal for evaporator tubing and seawater intake systems.
Power Generation: Used in cooling systems and condensers.
Oil & Gas Industry: Suitable for offshore platforms and subsea piping.
Heat Exchangers & Condensers: Ensures efficient heat transfer and corrosion resistance.
Excellent resistance to seawater corrosion and biofouling.
Long service life with minimal maintenance.
Stable mechanical properties under harsh marine conditions.
Highly durable and thermally efficient.
Cost-effective alternative to more expensive alloys.
The Cu-Ni 90/10 Alloy combines the strength and durability of nickel with the thermal conductivity and corrosion resistance of copper, making it an exceptional choice for marine, power, and desalination applications. Its proven reliability and resistance to seawater erosion ensure superior performance and longevity in aggressive environments.
