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C72150 Copper-nickel vs. C44500 Brass

Both C72150 copper-nickel and C44500 brass are copper alloys. They have 55% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C72150 copper-nickel and the bottom bar is C44500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
110
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 55
41
Tensile Strength: Ultimate (UTS), MPa 490
350
Tensile Strength: Yield (Proof), MPa 210
120

Thermal Properties

Latent Heat of Fusion, J/g 250
180
Maximum Temperature: Mechanical, °C 600
140
Melting Completion (Liquidus), °C 1210
940
Melting Onset (Solidus), °C 1250
900
Specific Heat Capacity, J/kg-K 410
380
Thermal Conductivity, W/m-K 22
110
Thermal Expansion, µm/m-K 14
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.5
25
Electrical Conductivity: Equal Weight (Specific), % IACS 3.6
27

Otherwise Unclassified Properties

Base Metal Price, % relative 45
26
Density, g/cm3 8.9
8.3
Embodied Carbon, kg CO2/kg material 6.1
2.7
Embodied Energy, MJ/kg 88
46
Embodied Water, L/kg 270
330

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 150
65
Stiffness to Weight: Axial, points 9.1
7.2
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 15
12
Strength to Weight: Bending, points 15
13
Thermal Diffusivity, mm2/s 6.0
35
Thermal Shock Resistance, points 18
12

Alloy Composition


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Carbon (C), % 0 to 0.1
0
Copper (Cu), % 52.5 to 57
70 to 73
Iron (Fe), % 0 to 0.1
0 to 0.060
Lead (Pb), % 0 to 0.050
0 to 0.070
Manganese (Mn), % 0 to 0.050
0
Nickel (Ni), % 43 to 46
0
Phosphorus (P), % 0
0.020 to 0.1
Silicon (Si), % 0 to 0.5
0
Tin (Sn), % 0
0.9 to 1.2
Zinc (Zn), % 0 to 0.2
25.2 to 29.1
Residuals, % 0 to 0.5
0 to 0.4