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5657 Aluminum vs. C94700 Bronze

5657 aluminum belongs to the aluminum alloys classification, while C94700 bronze belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, 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 5657 aluminum and the bottom bar is C94700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
110
Elongation at Break, % 6.6 to 15
7.9 to 32
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
43
Tensile Strength: Ultimate (UTS), MPa 150 to 200
350 to 590
Tensile Strength: Yield (Proof), MPa 140 to 170
160 to 400

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 210
54
Thermal Expansion, µm/m-K 24
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 54
12
Electrical Conductivity: Equal Weight (Specific), % IACS 180
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
34
Density, g/cm3 2.7
8.8
Embodied Carbon, kg CO2/kg material 8.4
3.5
Embodied Energy, MJ/kg 160
56
Embodied Water, L/kg 1200
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.7 to 27
41 to 89
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 200
110 to 700
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 50
18
Strength to Weight: Axial, points 15 to 20
11 to 19
Strength to Weight: Bending, points 23 to 28
13 to 18
Thermal Diffusivity, mm2/s 84
16
Thermal Shock Resistance, points 6.7 to 8.6
12 to 21

Alloy Composition

Aluminum (Al), % 98.5 to 99.4
0 to 0.0050
Antimony (Sb), % 0
0 to 0.15
Copper (Cu), % 0 to 0.1
85 to 90
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.1
0 to 0.25
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 0.6 to 1.0
0
Manganese (Mn), % 0 to 0.030
0 to 0.2
Nickel (Ni), % 0
4.5 to 6.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.080
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
4.5 to 6.0
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.050
1.0 to 2.5
Residuals, % 0
0 to 1.3