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B390.0 Aluminum vs. C71580 Copper-nickel

B390.0 aluminum belongs to the aluminum alloys classification, while C71580 copper-nickel belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, 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 B390.0 aluminum and the bottom bar is C71580 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
140
Elongation at Break, % 0.88
40
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 29
51
Tensile Strength: Ultimate (UTS), MPa 320
330
Tensile Strength: Yield (Proof), MPa 250
110

Thermal Properties

Latent Heat of Fusion, J/g 640
230
Maximum Temperature: Mechanical, °C 170
260
Melting Completion (Liquidus), °C 580
1180
Melting Onset (Solidus), °C 580
1120
Specific Heat Capacity, J/kg-K 880
400
Thermal Conductivity, W/m-K 130
39
Thermal Expansion, µm/m-K 20
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
4.7
Electrical Conductivity: Equal Weight (Specific), % IACS 88
4.7

Otherwise Unclassified Properties

Base Metal Price, % relative 11
41
Density, g/cm3 2.8
8.9
Embodied Carbon, kg CO2/kg material 7.3
5.1
Embodied Energy, MJ/kg 130
74
Embodied Water, L/kg 940
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6
100
Resilience: Unit (Modulus of Resilience), kJ/m3 410
47
Stiffness to Weight: Axial, points 15
8.5
Stiffness to Weight: Bending, points 51
19
Strength to Weight: Axial, points 32
10
Strength to Weight: Bending, points 38
12
Thermal Diffusivity, mm2/s 55
11
Thermal Shock Resistance, points 15
11

Alloy Composition

Aluminum (Al), % 72.7 to 79.6
0
Carbon (C), % 0
0 to 0.070
Copper (Cu), % 4.0 to 5.0
65.5 to 71
Iron (Fe), % 0 to 1.3
0 to 0.5
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0.45 to 0.65
0
Manganese (Mn), % 0 to 0.5
0 to 0.3
Nickel (Ni), % 0 to 0.1
29 to 33
Silicon (Si), % 16 to 18
0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 1.5
0 to 0.050
Residuals, % 0
0 to 0.5