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4047 Aluminum vs. C82500 Copper

4047 aluminum belongs to the aluminum alloys classification, while C82500 copper belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, 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 4047 aluminum and the bottom bar is C82500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
120
Elongation at Break, % 3.4
1.0 to 20
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
45
Tensile Strength: Ultimate (UTS), MPa 120
550 to 1100
Tensile Strength: Yield (Proof), MPa 64
310 to 980

Thermal Properties

Latent Heat of Fusion, J/g 570
240
Maximum Temperature: Mechanical, °C 160
280
Melting Completion (Liquidus), °C 580
980
Melting Onset (Solidus), °C 580
860
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 130
130
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
20
Electrical Conductivity: Equal Weight (Specific), % IACS 120
21

Otherwise Unclassified Properties

Density, g/cm3 2.5
8.8
Embodied Carbon, kg CO2/kg material 7.7
10
Embodied Energy, MJ/kg 140
160
Embodied Water, L/kg 1050
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.5
11 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 28
400 to 4000
Stiffness to Weight: Axial, points 16
7.7
Stiffness to Weight: Bending, points 55
19
Strength to Weight: Axial, points 13
18 to 35
Strength to Weight: Bending, points 21
17 to 27
Thermal Diffusivity, mm2/s 59
38
Thermal Shock Resistance, points 5.6
19 to 38

Alloy Composition

Aluminum (Al), % 85.3 to 89
0 to 0.15
Beryllium (Be), % 0
1.9 to 2.3
Chromium (Cr), % 0
0 to 0.1
Cobalt (Co), % 0
0.15 to 0.7
Copper (Cu), % 0 to 0.3
95.3 to 97.8
Iron (Fe), % 0 to 0.8
0 to 0.25
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0
0 to 0.2
Silicon (Si), % 11 to 13
0.2 to 0.35
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.12
Zinc (Zn), % 0 to 0.2
0 to 0.1
Residuals, % 0
0 to 0.5