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C50100 Bronze vs. 7075 Aluminum

C50100 bronze belongs to the copper alloys classification, while 7075 aluminum belongs to the aluminum alloys. There are 29 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 C50100 bronze and the bottom bar is 7075 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
70
Elongation at Break, % 40
1.8 to 12
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 43
26
Shear Strength, MPa 180
150 to 340
Tensile Strength: Ultimate (UTS), MPa 270
240 to 590
Tensile Strength: Yield (Proof), MPa 82
120 to 510

Thermal Properties

Latent Heat of Fusion, J/g 210
380
Maximum Temperature: Mechanical, °C 200
200
Melting Completion (Liquidus), °C 1080
640
Melting Onset (Solidus), °C 1070
480
Specific Heat Capacity, J/kg-K 380
870
Thermal Conductivity, W/m-K 230
130
Thermal Expansion, µm/m-K 17
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 55
33
Electrical Conductivity: Equal Weight (Specific), % IACS 55
98

Otherwise Unclassified Properties

Base Metal Price, % relative 31
10
Density, g/cm3 8.9
3.0
Embodied Carbon, kg CO2/kg material 2.6
8.3
Embodied Energy, MJ/kg 42
150
Embodied Water, L/kg 310
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82
7.8 to 44
Resilience: Unit (Modulus of Resilience), kJ/m3 29
110 to 1870
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
46
Strength to Weight: Axial, points 8.3
22 to 54
Strength to Weight: Bending, points 10
28 to 52
Thermal Diffusivity, mm2/s 66
50
Thermal Shock Resistance, points 9.5
10 to 25

Alloy Composition


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Aluminum (Al), % 0
86.9 to 91.4
Chromium (Cr), % 0
0.18 to 0.28
Copper (Cu), % 98.6 to 99.49
1.2 to 2.0
Iron (Fe), % 0 to 0.050
0 to 0.5
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0
2.1 to 2.9
Manganese (Mn), % 0
0 to 0.3
Phosphorus (P), % 0.010 to 0.050
0
Silicon (Si), % 0
0 to 0.4
Tin (Sn), % 0.5 to 0.8
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0
5.1 to 6.1
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0 to 0.5
0 to 0.15