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384.0 Aluminum vs. C70700 Copper-nickel

384.0 aluminum belongs to the aluminum alloys classification, while C70700 copper-nickel belongs to the copper alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, 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 384.0 aluminum and the bottom bar is C70700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85
73
Elastic (Young's, Tensile) Modulus, GPa 74
120
Elongation at Break, % 2.5
39
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 28
46
Shear Strength, MPa 200
220
Tensile Strength: Ultimate (UTS), MPa 330
320
Tensile Strength: Yield (Proof), MPa 170
110

Thermal Properties

Latent Heat of Fusion, J/g 550
220
Maximum Temperature: Mechanical, °C 170
220
Melting Completion (Liquidus), °C 580
1120
Melting Onset (Solidus), °C 530
1060
Specific Heat Capacity, J/kg-K 870
390
Thermal Conductivity, W/m-K 96
59
Thermal Expansion, µm/m-K 21
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
11
Electrical Conductivity: Equal Weight (Specific), % IACS 69
12

Otherwise Unclassified Properties

Base Metal Price, % relative 11
34
Density, g/cm3 2.9
8.9
Embodied Carbon, kg CO2/kg material 7.4
3.4
Embodied Energy, MJ/kg 140
52
Embodied Water, L/kg 1010
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
100
Resilience: Unit (Modulus of Resilience), kJ/m3 190
51
Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 49
19
Strength to Weight: Axial, points 32
10
Strength to Weight: Bending, points 37
12
Thermal Diffusivity, mm2/s 39
17
Thermal Shock Resistance, points 15
12

Alloy Composition

Aluminum (Al), % 77.3 to 86.5
0
Copper (Cu), % 3.0 to 4.5
88.5 to 90.5
Iron (Fe), % 0 to 1.3
0 to 0.050
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 0 to 0.5
9.5 to 10.5
Silicon (Si), % 10.5 to 12
0
Tin (Sn), % 0 to 0.35
0
Zinc (Zn), % 0 to 3.0
0
Residuals, % 0 to 0.5
0 to 0.5