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2124 Aluminum vs. C10300 Copper

2124 aluminum belongs to the aluminum alloys classification, while C10300 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 2124 aluminum and the bottom bar is C10300 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
120
Elongation at Break, % 5.7
2.6 to 50
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
43
Shear Strength, MPa 280
160 to 240
Tensile Strength: Ultimate (UTS), MPa 490
230 to 410
Tensile Strength: Yield (Proof), MPa 430
77 to 400

Thermal Properties

Latent Heat of Fusion, J/g 390
210
Maximum Temperature: Mechanical, °C 190
200
Melting Completion (Liquidus), °C 640
1080
Melting Onset (Solidus), °C 500
1080
Specific Heat Capacity, J/kg-K 880
390
Thermal Conductivity, W/m-K 150
390
Thermal Expansion, µm/m-K 23
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
99
Electrical Conductivity: Equal Weight (Specific), % IACS 110
99

Otherwise Unclassified Properties

Base Metal Price, % relative 10
31
Density, g/cm3 3.0
9.0
Embodied Carbon, kg CO2/kg material 8.2
2.6
Embodied Energy, MJ/kg 150
41
Embodied Water, L/kg 1150
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
9.4 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 1290
25 to 690
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 46
18
Strength to Weight: Axial, points 45
7.2 to 13
Strength to Weight: Bending, points 46
9.4 to 14
Thermal Diffusivity, mm2/s 58
110
Thermal Shock Resistance, points 21
8.2 to 15

Alloy Composition

Aluminum (Al), % 91.3 to 94.7
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.8 to 4.9
99.95 to 99.999
Iron (Fe), % 0 to 0.3
0
Magnesium (Mg), % 1.2 to 1.8
0
Manganese (Mn), % 0.3 to 0.9
0
Phosphorus (P), % 0
0.0010 to 0.0050
Silicon (Si), % 0 to 0.2
0
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0