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CC381H Copper-nickel vs. A357.0 Aluminum

CC381H copper-nickel belongs to the copper alloys classification, while A357.0 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is CC381H copper-nickel and the bottom bar is A357.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
100
Elastic (Young's, Tensile) Modulus, GPa 140
70
Elongation at Break, % 20
3.7
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 52
26
Tensile Strength: Ultimate (UTS), MPa 380
350
Tensile Strength: Yield (Proof), MPa 140
270

Thermal Properties

Latent Heat of Fusion, J/g 240
500
Maximum Temperature: Mechanical, °C 260
170
Melting Completion (Liquidus), °C 1180
610
Melting Onset (Solidus), °C 1120
560
Specific Heat Capacity, J/kg-K 410
900
Thermal Conductivity, W/m-K 30
160
Thermal Expansion, µm/m-K 16
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
40
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
140

Otherwise Unclassified Properties

Base Metal Price, % relative 40
12
Density, g/cm3 8.9
2.6
Embodied Carbon, kg CO2/kg material 5.0
8.2
Embodied Energy, MJ/kg 73
150
Embodied Water, L/kg 280
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60
12
Resilience: Unit (Modulus of Resilience), kJ/m3 68
520
Stiffness to Weight: Axial, points 8.6
15
Stiffness to Weight: Bending, points 19
53
Strength to Weight: Axial, points 12
38
Strength to Weight: Bending, points 13
43
Thermal Diffusivity, mm2/s 8.4
68
Thermal Shock Resistance, points 13
17

Alloy Composition

Aluminum (Al), % 0 to 0.010
90.8 to 93
Beryllium (Be), % 0
0.040 to 0.070
Carbon (C), % 0 to 0.030
0
Copper (Cu), % 64.5 to 69.9
0 to 0.2
Iron (Fe), % 0.5 to 1.5
0 to 0.2
Lead (Pb), % 0 to 0.030
0
Magnesium (Mg), % 0
0.4 to 0.7
Manganese (Mn), % 0.6 to 1.2
0 to 0.1
Nickel (Ni), % 29 to 31
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.1
6.5 to 7.5
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0
0.040 to 0.2
Zinc (Zn), % 0 to 0.5
0 to 0.1
Residuals, % 0
0 to 0.15