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EN AC-21100 Aluminum vs. C19400 Copper

EN AC-21100 aluminum belongs to the aluminum alloys classification, while C19400 copper belongs to the copper alloys. There are 28 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 EN AC-21100 aluminum and the bottom bar is C19400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
120
Elongation at Break, % 6.2 to 7.3
2.3 to 37
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
44
Tensile Strength: Ultimate (UTS), MPa 340 to 350
310 to 630
Tensile Strength: Yield (Proof), MPa 210 to 240
98 to 520

Thermal Properties

Latent Heat of Fusion, J/g 390
210
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 670
1090
Melting Onset (Solidus), °C 550
1080
Specific Heat Capacity, J/kg-K 880
390
Thermal Conductivity, W/m-K 130
260
Thermal Expansion, µm/m-K 23
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
58 to 68
Electrical Conductivity: Equal Weight (Specific), % IACS 100
58 to 69

Otherwise Unclassified Properties

Base Metal Price, % relative 11
30
Density, g/cm3 3.0
8.9
Embodied Carbon, kg CO2/kg material 8.0
2.6
Embodied Energy, MJ/kg 150
40
Embodied Water, L/kg 1150
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 21
5.5 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 400
41 to 1140
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 46
18
Strength to Weight: Axial, points 31 to 33
9.7 to 20
Strength to Weight: Bending, points 36 to 37
11 to 18
Thermal Diffusivity, mm2/s 48
75
Thermal Shock Resistance, points 15
11 to 22

Alloy Composition


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Aluminum (Al), % 93.4 to 95.7
0
Copper (Cu), % 4.2 to 5.2
96.8 to 97.8
Iron (Fe), % 0 to 0.19
2.1 to 2.6
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0 to 0.55
0
Phosphorus (P), % 0
0.015 to 0.15
Silicon (Si), % 0 to 0.18
0
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.070
0.050 to 0.2
Residuals, % 0 to 0.1
0 to 0.2