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C50100 Bronze vs. 7129 Aluminum

C50100 bronze belongs to the copper alloys classification, while 7129 Aluminum belongs to the aluminum 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 C50100 bronze and the bottom bar is 7129 Aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
69
Elongation at Break, % 40
9.0 to 9.1
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
26
Shear Strength, MPa 180
250 to 260
Tensile Strength: Ultimate (UTS), MPa 270
430
Tensile Strength: Yield (Proof), MPa 82
380 to 390

Thermal Properties

Latent Heat of Fusion, J/g 210
380
Maximum Temperature: Mechanical, °C 200
180
Melting Completion (Liquidus), °C 1080
630
Melting Onset (Solidus), °C 1070
510
Specific Heat Capacity, J/kg-K 380
880
Thermal Conductivity, W/m-K 230
150
Thermal Expansion, µm/m-K 17
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 55
40
Electrical Conductivity: Equal Weight (Specific), % IACS 55
120

Otherwise Unclassified Properties

Base Metal Price, % relative 31
9.5
Density, g/cm3 8.9
2.9
Embodied Carbon, kg CO2/kg material 2.6
8.3
Embodied Energy, MJ/kg 42
150
Embodied Water, L/kg 310
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82
37 to 38
Resilience: Unit (Modulus of Resilience), kJ/m3 29
1050 to 1090
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
47
Strength to Weight: Axial, points 8.3
41
Strength to Weight: Bending, points 10
43 to 44
Thermal Diffusivity, mm2/s 66
58
Thermal Shock Resistance, points 9.5
19

Alloy Composition


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Aluminum (Al), % 0
91 to 94
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 98.6 to 99.49
0.5 to 0.9
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0 to 0.050
0 to 0.3
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0
1.3 to 2.0
Manganese (Mn), % 0
0 to 0.1
Phosphorus (P), % 0.010 to 0.050
0
Silicon (Si), % 0
0 to 0.15
Tin (Sn), % 0.5 to 0.8
0
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0
4.2 to 5.2
Residuals, % 0 to 0.5
0 to 0.15