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EN AC-21100 Aluminum vs. C17000 Copper

EN AC-21100 aluminum belongs to the aluminum alloys classification, while C17000 copper belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, 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 EN AC-21100 aluminum and the bottom bar is C17000 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
120
Elongation at Break, % 6.2 to 7.3
1.1 to 31
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
45
Tensile Strength: Ultimate (UTS), MPa 340 to 350
490 to 1310
Tensile Strength: Yield (Proof), MPa 210 to 240
160 to 1140

Thermal Properties

Latent Heat of Fusion, J/g 390
230
Maximum Temperature: Mechanical, °C 170
270
Melting Completion (Liquidus), °C 670
980
Melting Onset (Solidus), °C 550
870
Specific Heat Capacity, J/kg-K 880
390
Thermal Conductivity, W/m-K 130
110
Thermal Expansion, µm/m-K 23
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
22
Electrical Conductivity: Equal Weight (Specific), % IACS 100
22

Otherwise Unclassified Properties

Density, g/cm3 3.0
8.8
Embodied Carbon, kg CO2/kg material 8.0
8.7
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1150
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 21
4.2 to 390
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 400
110 to 5420
Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 46
19
Strength to Weight: Axial, points 31 to 33
15 to 41
Strength to Weight: Bending, points 36 to 37
16 to 30
Thermal Diffusivity, mm2/s 48
32
Thermal Shock Resistance, points 15
17 to 45

Alloy Composition


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Aluminum (Al), % 93.4 to 95.7
0 to 0.2
Beryllium (Be), % 0
1.6 to 1.8
Copper (Cu), % 4.2 to 5.2
96.3 to 98.2
Iron (Fe), % 0 to 0.19
0 to 0.4
Manganese (Mn), % 0 to 0.55
0
Nickel (Ni), % 0
0.2 to 0.6
Silicon (Si), % 0 to 0.18
0 to 0.2
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.1
0 to 0.5