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1070 Aluminum vs. C81500 Copper

1070 aluminum belongs to the aluminum alloys classification, while C81500 copper 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 1070 aluminum and the bottom bar is C81500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
120
Elongation at Break, % 4.5 to 39
17
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
44
Tensile Strength: Ultimate (UTS), MPa 73 to 140
350
Tensile Strength: Yield (Proof), MPa 17 to 120
280

Thermal Properties

Latent Heat of Fusion, J/g 400
210
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 640
1090
Melting Onset (Solidus), °C 640
1080
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 230
320
Thermal Expansion, µm/m-K 23
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 61
82
Electrical Conductivity: Equal Weight (Specific), % IACS 200
83

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
31
Density, g/cm3 2.7
8.9
Embodied Carbon, kg CO2/kg material 8.3
2.6
Embodied Energy, MJ/kg 160
41
Embodied Water, L/kg 1200
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.8 to 21
56
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 110
330
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 50
18
Strength to Weight: Axial, points 7.5 to 14
11
Strength to Weight: Bending, points 14 to 22
12
Thermal Diffusivity, mm2/s 94
91
Thermal Shock Resistance, points 3.3 to 6.1
12

Alloy Composition

Aluminum (Al), % 99.7 to 100
0 to 0.1
Chromium (Cr), % 0
0.4 to 1.5
Copper (Cu), % 0 to 0.040
97.4 to 99.6
Iron (Fe), % 0 to 0.25
0 to 0.1
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 0 to 0.030
0
Manganese (Mn), % 0 to 0.030
0
Silicon (Si), % 0 to 0.2
0 to 0.15
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.040
0 to 0.1
Residuals, % 0
0 to 0.5