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3105 Aluminum vs. C94800 Bronze

3105 aluminum belongs to the aluminum alloys classification, while C94800 bronze belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, 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 C94800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Elongation at Break, % 1.1 to 20
22
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
43
Tensile Strength: Ultimate (UTS), MPa 120 to 240
310
Tensile Strength: Yield (Proof), MPa 46 to 220
160

Thermal Properties

Latent Heat of Fusion, J/g 400
200
Maximum Temperature: Mechanical, °C 180
190
Melting Completion (Liquidus), °C 660
1030
Melting Onset (Solidus), °C 640
900
Specific Heat Capacity, J/kg-K 900
380
Thermal Conductivity, W/m-K 170
39
Thermal Expansion, µm/m-K 24
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
12
Electrical Conductivity: Equal Weight (Specific), % IACS 140
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
34
Density, g/cm3 2.8
8.8
Embodied Carbon, kg CO2/kg material 8.2
3.5
Embodied Energy, MJ/kg 150
56
Embodied Water, L/kg 1180
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6 to 19
58
Resilience: Unit (Modulus of Resilience), kJ/m3 15 to 340
110
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 50
18
Strength to Weight: Axial, points 12 to 24
9.8
Strength to Weight: Bending, points 20 to 31
12
Thermal Diffusivity, mm2/s 68
12
Thermal Shock Resistance, points 5.2 to 11
11

Alloy Composition

Aluminum (Al), % 96 to 99.5
0 to 0.0050
Antimony (Sb), % 0
0 to 0.15
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.3
84 to 89
Iron (Fe), % 0 to 0.7
0 to 0.25
Lead (Pb), % 0
0.3 to 1.0
Magnesium (Mg), % 0.2 to 0.8
0
Manganese (Mn), % 0.3 to 0.8
0 to 0.2
Nickel (Ni), % 0
4.5 to 6.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.6
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
4.5 to 6.0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.4
1.0 to 2.5
Residuals, % 0
0 to 1.3