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6106 Aluminum vs. C19025 Copper

6106 aluminum belongs to the aluminum alloys classification, while C19025 copper belongs to the copper alloys. There are 26 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 6106 aluminum and the bottom bar is C19025 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
120
Elongation at Break, % 9.1
8.0 to 17
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
43
Shear Strength, MPa 170
300 to 360
Tensile Strength: Ultimate (UTS), MPa 290
480 to 620

Thermal Properties

Latent Heat of Fusion, J/g 400
210
Maximum Temperature: Mechanical, °C 160
200
Melting Completion (Liquidus), °C 660
1080
Melting Onset (Solidus), °C 610
1020
Specific Heat Capacity, J/kg-K 900
380
Thermal Conductivity, W/m-K 190
160
Thermal Expansion, µm/m-K 23
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 49
40
Electrical Conductivity: Equal Weight (Specific), % IACS 160
40

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
2.8
Embodied Energy, MJ/kg 150
44
Embodied Water, L/kg 1190
320

Common Calculations

Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 50
18
Strength to Weight: Axial, points 29
15 to 19
Strength to Weight: Bending, points 35
15 to 18
Thermal Diffusivity, mm2/s 78
47
Thermal Shock Resistance, points 13
17 to 22

Alloy Composition

Aluminum (Al), % 97.2 to 99.3
0
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.25
97.1 to 98.5
Iron (Fe), % 0 to 0.35
0
Magnesium (Mg), % 0.4 to 0.8
0
Manganese (Mn), % 0.050 to 0.2
0
Nickel (Ni), % 0
0.8 to 1.2
Phosphorus (P), % 0
0.030 to 0.070
Silicon (Si), % 0.3 to 0.6
0
Tin (Sn), % 0
0.7 to 1.1
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.15
0 to 0.2
Residuals, % 0
0 to 0.3