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C72150 Copper-nickel vs. C26800 Brass

Both C72150 copper-nickel and C26800 brass are copper alloys. They have 55% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C72150 copper-nickel and the bottom bar is C26800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
110
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 55
40
Tensile Strength: Ultimate (UTS), MPa 490
310 to 650

Thermal Properties

Latent Heat of Fusion, J/g 250
180
Maximum Temperature: Mechanical, °C 600
130
Melting Completion (Liquidus), °C 1210
930
Melting Onset (Solidus), °C 1250
900
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 22
120
Thermal Expansion, µm/m-K 14
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.5
27
Electrical Conductivity: Equal Weight (Specific), % IACS 3.6
30

Otherwise Unclassified Properties

Base Metal Price, % relative 45
24
Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 6.1
2.7
Embodied Energy, MJ/kg 88
45
Embodied Water, L/kg 270
320

Common Calculations

Stiffness to Weight: Axial, points 9.1
7.2
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 15
11 to 22
Strength to Weight: Bending, points 15
13 to 21
Thermal Diffusivity, mm2/s 6.0
37
Thermal Shock Resistance, points 18
10 to 22

Alloy Composition


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Carbon (C), % 0 to 0.1
0
Copper (Cu), % 52.5 to 57
64 to 68.5
Iron (Fe), % 0 to 0.1
0 to 0.050
Lead (Pb), % 0 to 0.050
0 to 0.15
Manganese (Mn), % 0 to 0.050
0
Nickel (Ni), % 43 to 46
0
Silicon (Si), % 0 to 0.5
0
Zinc (Zn), % 0 to 0.2
31 to 36
Residuals, % 0 to 0.5
0 to 0.3