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6261 Aluminum vs. C14510 Copper

6261 aluminum belongs to the aluminum alloys classification, while C14510 copper belongs to the copper alloys. There are 27 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 6261 aluminum and the bottom bar is C14510 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
120
Elongation at Break, % 9.0 to 16
9.1 to 9.6
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
43
Shear Strength, MPa 90 to 180
180 to 190
Tensile Strength: Ultimate (UTS), MPa 150 to 300
300 to 320
Tensile Strength: Yield (Proof), MPa 100 to 260
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 400
210
Maximum Temperature: Mechanical, °C 160
200
Melting Completion (Liquidus), °C 640
1080
Melting Onset (Solidus), °C 610
1050
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 180
360
Thermal Expansion, µm/m-K 23
17

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
33
Density, g/cm3 2.7
8.9
Embodied Carbon, kg CO2/kg material 8.3
2.6
Embodied Energy, MJ/kg 150
42
Embodied Water, L/kg 1180
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 27
25 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 77 to 500
230 to 280
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 50
18
Strength to Weight: Axial, points 15 to 31
9.2 to 10
Strength to Weight: Bending, points 23 to 37
11 to 12
Thermal Diffusivity, mm2/s 75
100
Thermal Shock Resistance, points 6.5 to 13
11 to 12

Alloy Composition

Aluminum (Al), % 96.6 to 98.6
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0.15 to 0.4
99.15 to 99.69
Iron (Fe), % 0 to 0.4
0
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0.7 to 1.0
0
Manganese (Mn), % 0.2 to 0.35
0
Phosphorus (P), % 0
0.010 to 0.030
Silicon (Si), % 0.4 to 0.7
0
Tellurium (Te), % 0
0.3 to 0.7
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.15
0