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6105 Aluminum vs. C14181 Copper

6105 aluminum belongs to the aluminum alloys classification, while C14181 copper belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, 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 6105 aluminum and the bottom bar is C14181 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
120
Elongation at Break, % 9.0 to 16
15
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
43
Tensile Strength: Ultimate (UTS), MPa 190 to 280
210
Tensile Strength: Yield (Proof), MPa 120 to 270
130

Thermal Properties

Latent Heat of Fusion, J/g 410
210
Maximum Temperature: Mechanical, °C 160
200
Melting Completion (Liquidus), °C 650
1080
Melting Onset (Solidus), °C 600
1080
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 180 to 190
380
Thermal Expansion, µm/m-K 23
17

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
31
Density, g/cm3 2.7
9.0
Embodied Carbon, kg CO2/kg material 8.3
2.6
Embodied Energy, MJ/kg 150
41
Embodied Water, L/kg 1180
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25 to 27
28
Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 550
69
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 51
18
Strength to Weight: Axial, points 20 to 29
6.5
Strength to Weight: Bending, points 28 to 35
8.8
Thermal Diffusivity, mm2/s 72 to 79
110
Thermal Shock Resistance, points 8.6 to 12
7.4

Alloy Composition

Aluminum (Al), % 97.2 to 99
0
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0
0 to 0.0050
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.1
99.9 to 100
Iron (Fe), % 0 to 0.35
0
Lead (Pb), % 0
0 to 0.0020
Magnesium (Mg), % 0.45 to 0.8
0
Manganese (Mn), % 0 to 0.1
0
Phosphorus (P), % 0
0 to 0.0020
Silicon (Si), % 0.6 to 1.0
0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
0 to 0.0020
Residuals, % 0 to 0.15
0