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C72200 Copper-nickel vs. CC766S Brass

Both C72200 copper-nickel and CC766S brass are copper alloys. They have 63% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C72200 copper-nickel and the bottom bar is CC766S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
110
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 48
40
Tensile Strength: Ultimate (UTS), MPa 350 to 580
500

Thermal Properties

Latent Heat of Fusion, J/g 220
180
Maximum Temperature: Mechanical, °C 230
130
Melting Completion (Liquidus), °C 1180
840
Melting Onset (Solidus), °C 1120
800
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 34
89
Thermal Expansion, µm/m-K 16
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.5
32
Electrical Conductivity: Equal Weight (Specific), % IACS 6.6
36

Otherwise Unclassified Properties

Base Metal Price, % relative 36
24
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 3.9
2.8
Embodied Energy, MJ/kg 59
48
Embodied Water, L/kg 300
330

Common Calculations

Stiffness to Weight: Axial, points 8.0
7.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 11 to 18
17
Strength to Weight: Bending, points 12 to 17
18
Thermal Diffusivity, mm2/s 9.6
28
Thermal Shock Resistance, points 12 to 20
17

Alloy Composition

Aluminum (Al), % 0
0.3 to 1.8
Antimony (Sb), % 0
0 to 0.1
Chromium (Cr), % 0.3 to 0.7
0
Copper (Cu), % 78.1 to 84.2
58 to 64
Iron (Fe), % 0.5 to 1.0
0 to 0.5
Lead (Pb), % 0 to 0.050
0 to 0.5
Manganese (Mn), % 0 to 1.0
0 to 0.5
Nickel (Ni), % 15 to 18
0 to 2.0
Silicon (Si), % 0
0 to 0.6
Tin (Sn), % 0
0 to 0.5
Zinc (Zn), % 0 to 1.0
29.5 to 41.7
Residuals, % 0 to 0.2
0