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6105 Aluminum vs. C65100 Bronze

6105 aluminum belongs to the aluminum alloys classification, while C65100 bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 C65100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
120
Elongation at Break, % 9.0 to 16
2.4 to 50
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
43
Shear Strength, MPa 120 to 170
200 to 350
Tensile Strength: Ultimate (UTS), MPa 190 to 280
280 to 560
Tensile Strength: Yield (Proof), MPa 120 to 270
95 to 440

Thermal Properties

Latent Heat of Fusion, J/g 410
230
Maximum Temperature: Mechanical, °C 160
200
Melting Completion (Liquidus), °C 650
1060
Melting Onset (Solidus), °C 600
1030
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 180 to 190
57
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 46 to 50
12
Electrical Conductivity: Equal Weight (Specific), % IACS 150 to 170
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
30
Density, g/cm3 2.7
8.8
Embodied Carbon, kg CO2/kg material 8.3
2.6
Embodied Energy, MJ/kg 150
41
Embodied Water, L/kg 1180
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25 to 27
12 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 550
39 to 820
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 51
18
Strength to Weight: Axial, points 20 to 29
8.7 to 18
Strength to Weight: Bending, points 28 to 35
11 to 17
Thermal Diffusivity, mm2/s 72 to 79
16
Thermal Shock Resistance, points 8.6 to 12
9.5 to 19

Alloy Composition

Aluminum (Al), % 97.2 to 99
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.1
94.5 to 99.2
Iron (Fe), % 0 to 0.35
0 to 0.8
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0.45 to 0.8
0
Manganese (Mn), % 0 to 0.1
0 to 0.7
Silicon (Si), % 0.6 to 1.0
0.8 to 2.0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
0 to 1.5
Residuals, % 0
0 to 0.5