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C92800 Bronze vs. 7020 Aluminum

C92800 bronze belongs to the copper alloys classification, while 7020 aluminum belongs to the aluminum alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, 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 C92800 bronze and the bottom bar is 7020 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
70
Elongation at Break, % 1.0
8.4 to 14
Poisson's Ratio 0.35
0.33
Shear Modulus, GPa 37
26
Tensile Strength: Ultimate (UTS), MPa 280
190 to 390
Tensile Strength: Yield (Proof), MPa 210
120 to 310

Thermal Properties

Latent Heat of Fusion, J/g 170
380
Maximum Temperature: Mechanical, °C 140
210
Melting Completion (Liquidus), °C 960
650
Melting Onset (Solidus), °C 820
610
Specific Heat Capacity, J/kg-K 350
880
Thermal Expansion, µm/m-K 18
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
39
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
120

Otherwise Unclassified Properties

Base Metal Price, % relative 36
9.5
Density, g/cm3 8.7
2.9
Embodied Carbon, kg CO2/kg material 4.1
8.3
Embodied Energy, MJ/kg 67
150
Embodied Water, L/kg 430
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.5
23 to 46
Resilience: Unit (Modulus of Resilience), kJ/m3 210
110 to 690
Stiffness to Weight: Axial, points 6.4
13
Stiffness to Weight: Bending, points 18
47
Strength to Weight: Axial, points 8.8
18 to 37
Strength to Weight: Bending, points 11
25 to 41
Thermal Shock Resistance, points 11
8.3 to 17

Alloy Composition

Aluminum (Al), % 0 to 0.0050
91.2 to 94.8
Antimony (Sb), % 0 to 0.25
0
Chromium (Cr), % 0
0.1 to 0.35
Copper (Cu), % 78 to 82
0 to 0.2
Iron (Fe), % 0 to 0.2
0 to 0.4
Lead (Pb), % 4.0 to 6.0
0
Magnesium (Mg), % 0
1.0 to 1.4
Manganese (Mn), % 0
0.050 to 0.5
Nickel (Ni), % 0 to 0.8
0
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0 to 0.35
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 15 to 17
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0 to 0.8
4.0 to 5.0
Zirconium (Zr), % 0
0.080 to 0.25
Residuals, % 0
0 to 0.15