30% Copper Nickel Copper Alloy

Common applications for 30% Copper Nickel Copper Alloy (CDA 715) include:

Marine Hardware: Used for critical components such as valves, fittings, and fasteners in marine environments.
Shipbuilding: Employed in piping systems, hull fittings, and other structural components in vessels.
Heat Exchangers: Ideal for use in seawater heat exchangers due to its corrosion resistance and thermal conductivity.
Desalination Facilities: Components in desalination plants where seawater is processed.
Oil and Gas Industries: Utilized in offshore platforms and subsea equipment that require corrosion resistance.
Pumps and Compressors: Suitable for parts that handle corrosive fluids in various industrial applications.
Electrical Applications: Used for connectors and terminals in marine electrical systems for reliable performance.
Instrumentation: Components in gauges and sensors exposed to seawater or corrosive environments.
Pressure Vessels: Employed in pressure vessels designed for marine and industrial applications requiring durability.

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Property	Value
Density	0.323 lb/in³ (8.94 g/cm³)
Melting Range	2140-2260°F (1171-1238°C)
Specific Heat	0.09 Btu/lb/°F (377 J/kg·K)
Electrical Conductivity	4.6% IACS
Thermal Conductivity	17 Btu/ft²/ft·h·°F (29 W/m·K)
Coefficient of Thermal Expansion	9.0 × 10⁻⁶ in/in/°F (16.2 × 10⁻⁶ m/m/°C)

Property	Value
Melting Range	2140-2260°F (1171-1238°C)
Thermal Conductivity	17 Btu/ft²/ft·h·°F (29 W/m·K)
Specific Heat	0.09 Btu/lb/°F (377 J/kg·K)
Coefficient of Thermal Expansion	9.0 × 10⁻⁶ in/in/°F (16.2 × 10⁻⁶ m/m/°C)

Property	Characteristic
Capacity for Cold Working	Good
Capacity for Hot Forming	Excellent
Machinability (Free Cutting Brass = 100)	20
Soldering	Excellent
Brazing	Excellent
Oxyacetylene Welding	Good
Gas Shielded Arc Welding	Excellent
Resistance Welding - Spot and Seam	Good
Resistance Welding - Butt	Good