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EN AC-21100 Aluminum vs. C17500 Copper

EN AC-21100 aluminum belongs to the aluminum alloys classification, while C17500 copper belongs to the copper alloys. There are 29 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 C17500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
120
Elongation at Break, % 6.2 to 7.3
6.0 to 30
Fatigue Strength, MPa 79 to 87
170 to 310
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
45
Tensile Strength: Ultimate (UTS), MPa 340 to 350
310 to 860
Tensile Strength: Yield (Proof), MPa 210 to 240
170 to 760

Thermal Properties

Latent Heat of Fusion, J/g 390
220
Maximum Temperature: Mechanical, °C 170
220
Melting Completion (Liquidus), °C 670
1060
Melting Onset (Solidus), °C 550
1020
Specific Heat Capacity, J/kg-K 880
390
Thermal Conductivity, W/m-K 130
200
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
24 to 53
Electrical Conductivity: Equal Weight (Specific), % IACS 100
24 to 54

Otherwise Unclassified Properties

Base Metal Price, % relative 11
60
Density, g/cm3 3.0
8.9
Embodied Carbon, kg CO2/kg material 8.0
4.7
Embodied Energy, MJ/kg 150
73
Embodied Water, L/kg 1150
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 21
30 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 400
120 to 2390
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 46
18
Strength to Weight: Axial, points 31 to 33
9.7 to 27
Strength to Weight: Bending, points 36 to 37
11 to 23
Thermal Diffusivity, mm2/s 48
59
Thermal Shock Resistance, points 15
11 to 29

Alloy Composition


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Aluminum (Al), % 93.4 to 95.7
0 to 0.2
Beryllium (Be), % 0
0.4 to 0.7
Cobalt (Co), % 0
2.4 to 2.7
Copper (Cu), % 4.2 to 5.2
95.6 to 97.2
Iron (Fe), % 0 to 0.19
0 to 0.1
Manganese (Mn), % 0 to 0.55
0
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