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4115 Aluminum vs. C31600 Bronze

4115 aluminum belongs to the aluminum alloys classification, while C31600 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 4115 aluminum and the bottom bar is C31600 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 1.1 to 11
6.7 to 28
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
42
Shear Strength, MPa 71 to 130
170 to 270
Tensile Strength: Ultimate (UTS), MPa 120 to 220
270 to 460
Tensile Strength: Yield (Proof), MPa 39 to 190
80 to 390

Thermal Properties

Latent Heat of Fusion, J/g 420
200
Maximum Temperature: Mechanical, °C 160
180
Melting Completion (Liquidus), °C 640
1040
Melting Onset (Solidus), °C 590
1010
Specific Heat Capacity, J/kg-K 900
380
Thermal Conductivity, W/m-K 160
140
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
32
Electrical Conductivity: Equal Weight (Specific), % IACS 140
33

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
29
Density, g/cm3 2.7
8.8
Embodied Carbon, kg CO2/kg material 8.1
2.7
Embodied Energy, MJ/kg 150
43
Embodied Water, L/kg 1160
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.1 to 10
30 to 58
Resilience: Unit (Modulus of Resilience), kJ/m3 11 to 270
28 to 690
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 50
18
Strength to Weight: Axial, points 12 to 23
8.5 to 15
Strength to Weight: Bending, points 20 to 30
11 to 15
Thermal Diffusivity, mm2/s 66
42
Thermal Shock Resistance, points 5.2 to 9.9
9.4 to 16

Alloy Composition

Aluminum (Al), % 94.6 to 97.4
0
Copper (Cu), % 0.1 to 0.5
87.5 to 90.5
Iron (Fe), % 0 to 0.7
0 to 0.1
Lead (Pb), % 0
1.3 to 2.5
Magnesium (Mg), % 0.1 to 0.5
0
Manganese (Mn), % 0.6 to 1.2
0
Nickel (Ni), % 0
0.7 to 1.2
Phosphorus (P), % 0
0.040 to 0.1
Silicon (Si), % 1.8 to 2.2
0
Zinc (Zn), % 0 to 0.2
5.2 to 10.5
Residuals, % 0
0 to 0.4