C70600 Copper Nickel Specifications

UNS C70600 Equivalent

Cupronickel 90/10 Uses

Cupronickel 90/10 for Offshore & marine | Salt water pipes and fittings, hot water tanks, salt water baffles, propeller sleeves, valve and pump components, flanges, boat hulls, marine fittings and marine hardware

Cupronickel 90/10 uses in Chemical processing | Heat exchanger and cooling plant, evaporator tubes, pump and valve trim

Other | Power steering tube, brake lines, condenser plates, pressure vessels and distiller tubes

90/10 Copper Nickel Thermal Conductivity

90/10 copper nickel thermal conductivity is 278 BTU-in/hr-ft²-°F (40.0 W/m-K). Cupro Nickel 90/10 has UNS C70600. Cu Ni 90/10 has very good cold and hot workability and it displays superb resistance to corrosion. 90/10 copper nickel can be fabricated by bending, forming and welding. The Density of Cu Ni 90/10 is 0.323 lb/in³ (8.94 g/cc). Cupro Nickel 90/10 has an Elongation at Break of 42%. The Poissons Ratio of 90/10 copper nickel is 0.31. Cu Ni 90/10 has a Shear Modulus of 7540 ksi (52.0 GPa). The linear CTE of Cupro Nickel 90/10 is 9.50 µin/in-°F (17.1 µm/m-°C).

Copper Nickel 90/10 Heat Treatment

Regarding copper nickel 90/10 heat treatment, annealing can be done at temperatures ranging between 1100 and 1500 °F (593 and 816 °C). The Ultimate Tensile Strength of copper nickel 90/10 is 43900 – 60000 psi (303 – 414 MPa). The Yield Tensile Strength of copper nickel 90/10 is 16000 – 57000 psi (110 – 393 MPa). Copper nickel 90/10 has a Modulus of Elasticity of 20300 ksi (140 GPa). The Machinability of copper nickel 90/10 is 20%. The Electrical Resistivity of copper nickel 90/10 is 0.0000190 ohm-cm. The Specific Heat Capacity of copper nickel 90/10 is 0.0908 BTU/lb-°F (0.380 J/g-°C).

Cu-ni 90-10 corrosion seawater