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EN AC-21100 Aluminum vs. C99300 Copper

EN AC-21100 aluminum belongs to the aluminum alloys classification, while C99300 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, 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 C99300 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 110
200
Elastic (Young's, Tensile) Modulus, GPa 71
120
Elongation at Break, % 6.2 to 7.3
2.0
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
46
Tensile Strength: Ultimate (UTS), MPa 340 to 350
660
Tensile Strength: Yield (Proof), MPa 210 to 240
380

Thermal Properties

Latent Heat of Fusion, J/g 390
240
Maximum Temperature: Mechanical, °C 170
250
Melting Completion (Liquidus), °C 670
1080
Melting Onset (Solidus), °C 550
1070
Specific Heat Capacity, J/kg-K 880
450
Thermal Conductivity, W/m-K 130
43
Thermal Expansion, µm/m-K 23
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 100
9.8

Otherwise Unclassified Properties

Base Metal Price, % relative 11
35
Density, g/cm3 3.0
8.2
Embodied Carbon, kg CO2/kg material 8.0
4.5
Embodied Energy, MJ/kg 150
70
Embodied Water, L/kg 1150
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 21
11
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 400
590
Stiffness to Weight: Axial, points 13
8.3
Stiffness to Weight: Bending, points 46
20
Strength to Weight: Axial, points 31 to 33
22
Strength to Weight: Bending, points 36 to 37
20
Thermal Diffusivity, mm2/s 48
12
Thermal Shock Resistance, points 15
22

Alloy Composition


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Aluminum (Al), % 93.4 to 95.7
10.7 to 11.5
Cobalt (Co), % 0
1.0 to 2.0
Copper (Cu), % 4.2 to 5.2
68.6 to 74.4
Iron (Fe), % 0 to 0.19
0.4 to 1.0
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0 to 0.55
0
Nickel (Ni), % 0
13.5 to 16.5
Silicon (Si), % 0 to 0.18
0 to 0.020
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.1
0 to 0.3