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1050A Aluminum vs. CC381H Copper-nickel

1050A aluminum belongs to the aluminum alloys classification, while CC381H copper-nickel belongs to the copper 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 1050A aluminum and the bottom bar is CC381H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 20 to 45
91
Elastic (Young's, Tensile) Modulus, GPa 68
140
Elongation at Break, % 1.1 to 33
20
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
52
Tensile Strength: Ultimate (UTS), MPa 68 to 170
380
Tensile Strength: Yield (Proof), MPa 22 to 150
140

Thermal Properties

Latent Heat of Fusion, J/g 400
240
Maximum Temperature: Mechanical, °C 170
260
Melting Completion (Liquidus), °C 660
1180
Melting Onset (Solidus), °C 650
1120
Specific Heat Capacity, J/kg-K 900
410
Thermal Conductivity, W/m-K 230
30
Thermal Expansion, µm/m-K 24
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 59
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 200
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
40
Density, g/cm3 2.7
8.9
Embodied Carbon, kg CO2/kg material 8.2
5.0
Embodied Energy, MJ/kg 150
73
Embodied Water, L/kg 1200
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.9 to 19
60
Resilience: Unit (Modulus of Resilience), kJ/m3 3.7 to 160
68
Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 6.9 to 18
12
Strength to Weight: Bending, points 14 to 25
13
Thermal Diffusivity, mm2/s 94
8.4
Thermal Shock Resistance, points 3.0 to 7.6
13

Alloy Composition

Aluminum (Al), % 99.5 to 100
0 to 0.010
Carbon (C), % 0
0 to 0.030
Copper (Cu), % 0 to 0.050
64.5 to 69.9
Iron (Fe), % 0 to 0.4
0.5 to 1.5
Lead (Pb), % 0
0 to 0.030
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.050
0.6 to 1.2
Nickel (Ni), % 0
29 to 31
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.25
0 to 0.1
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.070
0 to 0.5