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6005A Aluminum vs. C18900 Copper

6005A aluminum belongs to the aluminum alloys classification, while C18900 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 6005A aluminum and the bottom bar is C18900 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
120
Elongation at Break, % 8.6 to 17
14 to 48
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
43
Shear Strength, MPa 120 to 180
190 to 300
Tensile Strength: Ultimate (UTS), MPa 190 to 300
260 to 500
Tensile Strength: Yield (Proof), MPa 100 to 270
67 to 390

Thermal Properties

Latent Heat of Fusion, J/g 410
210
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 650
1080
Melting Onset (Solidus), °C 600
1020
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 180 to 190
130
Thermal Expansion, µm/m-K 23
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 47 to 50
30
Electrical Conductivity: Equal Weight (Specific), % IACS 150 to 170
30

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
31
Density, g/cm3 2.7
8.9
Embodied Carbon, kg CO2/kg material 8.3
2.7
Embodied Energy, MJ/kg 150
42
Embodied Water, L/kg 1180
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 29
65 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 76 to 530
20 to 660
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 50
18
Strength to Weight: Axial, points 20 to 30
8.2 to 16
Strength to Weight: Bending, points 27 to 36
10 to 16
Thermal Diffusivity, mm2/s 72 to 79
38
Thermal Shock Resistance, points 8.6 to 13
9.3 to 18

Alloy Composition

Aluminum (Al), % 96.5 to 99.1
0 to 0.010
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.3
97.7 to 99.15
Iron (Fe), % 0 to 0.35
0
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 0.4 to 0.7
0
Manganese (Mn), % 0 to 0.5
0.1 to 0.3
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0.5 to 0.9
0.15 to 0.4
Tin (Sn), % 0
0.6 to 0.9
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.2
0 to 0.1
Residuals, % 0
0 to 0.5