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3105 Aluminum vs. C22000 Bronze

3105 aluminum belongs to the aluminum alloys classification, while C22000 bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, 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 3105 aluminum and the bottom bar is C22000 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Elongation at Break, % 1.1 to 20
1.9 to 45
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
42
Shear Strength, MPa 77 to 140
200 to 300
Tensile Strength: Ultimate (UTS), MPa 120 to 240
260 to 520
Tensile Strength: Yield (Proof), MPa 46 to 220
69 to 500

Thermal Properties

Latent Heat of Fusion, J/g 400
200
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 660
1040
Melting Onset (Solidus), °C 640
1020
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 170
190
Thermal Expansion, µm/m-K 24
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
44
Electrical Conductivity: Equal Weight (Specific), % IACS 140
45

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
29
Density, g/cm3 2.8
8.7
Embodied Carbon, kg CO2/kg material 8.2
2.6
Embodied Energy, MJ/kg 150
42
Embodied Water, L/kg 1180
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6 to 19
3.7 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 15 to 340
21 to 1110
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 50
18
Strength to Weight: Axial, points 12 to 24
8.1 to 17
Strength to Weight: Bending, points 20 to 31
10 to 17
Thermal Diffusivity, mm2/s 68
56
Thermal Shock Resistance, points 5.2 to 11
8.8 to 18

Alloy Composition

Aluminum (Al), % 96 to 99.5
0
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.3
89 to 91
Iron (Fe), % 0 to 0.7
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0.2 to 0.8
0
Manganese (Mn), % 0.3 to 0.8
0
Silicon (Si), % 0 to 0.6
0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.4
8.7 to 11
Residuals, % 0
0 to 0.2