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7076 Aluminum vs. CC380H Copper-nickel

7076 aluminum belongs to the aluminum alloys classification, while CC380H 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 7076 aluminum and the bottom bar is CC380H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
80
Elastic (Young's, Tensile) Modulus, GPa 70
120
Elongation at Break, % 6.2
26
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 27
47
Tensile Strength: Ultimate (UTS), MPa 530
310
Tensile Strength: Yield (Proof), MPa 460
120

Thermal Properties

Latent Heat of Fusion, J/g 380
220
Maximum Temperature: Mechanical, °C 170
220
Melting Completion (Liquidus), °C 630
1130
Melting Onset (Solidus), °C 460
1080
Specific Heat Capacity, J/kg-K 860
390
Thermal Conductivity, W/m-K 140
46
Thermal Expansion, µm/m-K 24
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
11
Electrical Conductivity: Equal Weight (Specific), % IACS 100
11

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
36
Density, g/cm3 3.0
8.9
Embodied Carbon, kg CO2/kg material 8.0
3.8
Embodied Energy, MJ/kg 150
58
Embodied Water, L/kg 1110
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
65
Resilience: Unit (Modulus of Resilience), kJ/m3 1510
59
Stiffness to Weight: Axial, points 13
7.8
Stiffness to Weight: Bending, points 45
19
Strength to Weight: Axial, points 49
9.8
Strength to Weight: Bending, points 48
12
Thermal Diffusivity, mm2/s 54
13
Thermal Shock Resistance, points 23
11

Alloy Composition

Aluminum (Al), % 86.9 to 91.2
0 to 0.010
Copper (Cu), % 0.3 to 1.0
84.5 to 89
Iron (Fe), % 0 to 0.6
1.0 to 1.8
Lead (Pb), % 0
0 to 0.030
Magnesium (Mg), % 1.2 to 2.0
0
Manganese (Mn), % 0.3 to 0.8
1.0 to 1.5
Nickel (Ni), % 0
9.0 to 11
Niobium (Nb), % 0
0 to 1.0
Silicon (Si), % 0 to 0.4
0 to 0.1
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 7.0 to 8.0
0 to 0.5
Residuals, % 0 to 0.15
0