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C72150 Copper-nickel vs. C27400 Brass

Both C72150 copper-nickel and C27400 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 C27400 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
370 to 650

Thermal Properties

Latent Heat of Fusion, J/g 250
170
Maximum Temperature: Mechanical, °C 600
120
Melting Completion (Liquidus), °C 1210
920
Melting Onset (Solidus), °C 1250
870
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 22
120
Thermal Expansion, µm/m-K 14
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.5
28
Electrical Conductivity: Equal Weight (Specific), % IACS 3.6
31

Otherwise Unclassified Properties

Base Metal Price, % relative 45
23
Density, g/cm3 8.9
8.0
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
20
Strength to Weight: Axial, points 15
13 to 23
Strength to Weight: Bending, points 15
14 to 21
Thermal Diffusivity, mm2/s 6.0
37
Thermal Shock Resistance, points 18
12 to 22

Alloy Composition

Carbon (C), % 0 to 0.1
0
Copper (Cu), % 52.5 to 57
61 to 64
Iron (Fe), % 0 to 0.1
0 to 0.1
Lead (Pb), % 0 to 0.050
0 to 0.050
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
35.6 to 39
Residuals, % 0
0 to 0.3