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UNS C72200
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The following datasheet provides further information about UNS C72200 chromium-bearing copper nickel alloy.

Chemical Composition

The following table shows the chemical composition of UNS C72200 chromium-bearing copper nickel alloy.

ElementContent (%)
Cu82.0
Ni16.0
Cr0.5
Fe0.8
Mn0.5

Physical Properties

The physical properties of UNS C72200 chromium-bearing copper nickel alloy are outlined in the following table.

PropertiesMetricImperial
Density8.94 g/cm30.323 lb/in³

Mechanical Properties

The mechanical properties of  UNS C72200 chromium-bearing copper nickel alloy are tabulated below.

PropertiesMetricImperial
Tensile strength (O61 temper)315 MPa45700 psi
Tensile strength (H04 temper)480 MPa69600 psi
Yield strength (@strain 0.200 %, O61 temper)125 MPa18100 psi
Yield strength (@strain 0.200 %, H04 temper)455 MPa66000 psi
Elongation at break (H04 temper)6.00%6.00%
Elongation at break (O61 temper)46.00%46.00%
Elastic modulus117 GPa17000 ksi
Poisson’s ratio0.340.34
Shear modulus55.0 GPa7980 ksi

Thermal Properties

The thermal properties of UNS C72200 chromium-bearing copper nickel alloy are tabulated below.

PropertiesMetricImperial
Thermal expansion co-efficient (@20-300°C/68-572°F)15.8 µm/m°C8.78 µin/in°F
Thermal conductivity (@20°C/ 68°F )34.5 W/mK239 BTU in/hr.ft².°F