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6106 Aluminum vs. C67400 Bronze

6106 aluminum belongs to the aluminum alloys classification, while C67400 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 6106 aluminum and the bottom bar is C67400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Elongation at Break, % 9.1
22 to 28
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 26
41
Shear Strength, MPa 170
310 to 350
Tensile Strength: Ultimate (UTS), MPa 290
480 to 610
Tensile Strength: Yield (Proof), MPa 220
250 to 370

Thermal Properties

Latent Heat of Fusion, J/g 400
190
Maximum Temperature: Mechanical, °C 160
130
Melting Completion (Liquidus), °C 660
890
Melting Onset (Solidus), °C 610
870
Specific Heat Capacity, J/kg-K 900
400
Thermal Conductivity, W/m-K 190
100
Thermal Expansion, µm/m-K 23
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 49
23
Electrical Conductivity: Equal Weight (Specific), % IACS 160
26

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
23
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 8.3
2.8
Embodied Energy, MJ/kg 150
48
Embodied Water, L/kg 1190
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 370
300 to 660
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 50
20
Strength to Weight: Axial, points 29
17 to 22
Strength to Weight: Bending, points 35
17 to 20
Thermal Diffusivity, mm2/s 78
32
Thermal Shock Resistance, points 13
16 to 20

Alloy Composition

Aluminum (Al), % 97.2 to 99.3
0.5 to 2.0
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.25
57 to 60
Iron (Fe), % 0 to 0.35
0 to 0.35
Lead (Pb), % 0
0 to 0.5
Magnesium (Mg), % 0.4 to 0.8
0
Manganese (Mn), % 0.050 to 0.2
2.0 to 3.5
Nickel (Ni), % 0
0 to 0.25
Silicon (Si), % 0.3 to 0.6
0.5 to 1.5
Tin (Sn), % 0
0 to 0.3
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.15
31.1 to 40
Residuals, % 0
0 to 0.5