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EN AC-21100 Aluminum vs. C14520 Copper

EN AC-21100 aluminum belongs to the aluminum alloys classification, while C14520 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 EN AC-21100 aluminum and the bottom bar is C14520 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
120
Elongation at Break, % 6.2 to 7.3
9.0 to 9.6
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
43
Tensile Strength: Ultimate (UTS), MPa 340 to 350
290 to 330
Tensile Strength: Yield (Proof), MPa 210 to 240
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 390
210
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 670
1080
Melting Onset (Solidus), °C 550
1050
Specific Heat Capacity, J/kg-K 880
390
Thermal Conductivity, W/m-K 130
320
Thermal Expansion, µm/m-K 23
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
85
Electrical Conductivity: Equal Weight (Specific), % IACS 100
85

Otherwise Unclassified Properties

Base Metal Price, % relative 11
33
Density, g/cm3 3.0
8.9
Embodied Carbon, kg CO2/kg material 8.0
2.6
Embodied Energy, MJ/kg 150
42
Embodied Water, L/kg 1150
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 21
24 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 400
240 to 280
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 46
18
Strength to Weight: Axial, points 31 to 33
9.0 to 10
Strength to Weight: Bending, points 36 to 37
11 to 12
Thermal Diffusivity, mm2/s 48
94
Thermal Shock Resistance, points 15
10 to 12

Alloy Composition


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Aluminum (Al), % 93.4 to 95.7
0
Copper (Cu), % 4.2 to 5.2
99.2 to 99.596
Iron (Fe), % 0 to 0.19
0
Manganese (Mn), % 0 to 0.55
0
Phosphorus (P), % 0
0.0040 to 0.020
Silicon (Si), % 0 to 0.18
0
Tellurium (Te), % 0
0.4 to 0.7
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.1
0