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3105 Aluminum vs. C94100 Bronze

3105 aluminum belongs to the aluminum alloys classification, while C94100 bronze belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, 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 C94100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
92
Elongation at Break, % 1.1 to 20
7.8
Poisson's Ratio 0.33
0.36
Shear Modulus, GPa 26
34
Tensile Strength: Ultimate (UTS), MPa 120 to 240
190
Tensile Strength: Yield (Proof), MPa 46 to 220
130

Thermal Properties

Latent Heat of Fusion, J/g 400
160
Maximum Temperature: Mechanical, °C 180
130
Melting Completion (Liquidus), °C 660
870
Melting Onset (Solidus), °C 640
790
Specific Heat Capacity, J/kg-K 900
330
Thermal Expansion, µm/m-K 24
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
29
Density, g/cm3 2.8
9.2
Embodied Carbon, kg CO2/kg material 8.2
3.0
Embodied Energy, MJ/kg 150
48
Embodied Water, L/kg 1180
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6 to 19
14
Resilience: Unit (Modulus of Resilience), kJ/m3 15 to 340
97
Stiffness to Weight: Axial, points 14
5.5
Stiffness to Weight: Bending, points 50
16
Strength to Weight: Axial, points 12 to 24
5.8
Strength to Weight: Bending, points 20 to 31
8.1
Thermal Shock Resistance, points 5.2 to 11
7.6

Alloy Composition

Aluminum (Al), % 96 to 99.5
0 to 0.0050
Antimony (Sb), % 0
0 to 0.8
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.3
72 to 79
Iron (Fe), % 0 to 0.7
0 to 0.25
Lead (Pb), % 0
18 to 22
Magnesium (Mg), % 0.2 to 0.8
0
Manganese (Mn), % 0.3 to 0.8
0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0 to 0.6
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
4.5 to 6.5
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.4
0 to 1.0
Residuals, % 0
0 to 1.3