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C93800 Bronze vs. 7020 Aluminum

C93800 bronze belongs to the copper alloys classification, while 7020 aluminum belongs to the aluminum 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 C93800 bronze and the bottom bar is 7020 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 96
70
Elongation at Break, % 9.7
8.4 to 14
Poisson's Ratio 0.35
0.33
Shear Modulus, GPa 35
26
Tensile Strength: Ultimate (UTS), MPa 200
190 to 390
Tensile Strength: Yield (Proof), MPa 120
120 to 310

Thermal Properties

Latent Heat of Fusion, J/g 170
380
Maximum Temperature: Mechanical, °C 140
210
Melting Completion (Liquidus), °C 940
650
Melting Onset (Solidus), °C 850
610
Specific Heat Capacity, J/kg-K 340
880
Thermal Conductivity, W/m-K 52
150
Thermal Expansion, µm/m-K 19
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
39
Electrical Conductivity: Equal Weight (Specific), % IACS 11
120

Otherwise Unclassified Properties

Base Metal Price, % relative 31
9.5
Density, g/cm3 9.1
2.9
Embodied Carbon, kg CO2/kg material 3.2
8.3
Embodied Energy, MJ/kg 51
150
Embodied Water, L/kg 380
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
23 to 46
Resilience: Unit (Modulus of Resilience), kJ/m3 70
110 to 690
Stiffness to Weight: Axial, points 5.9
13
Stiffness to Weight: Bending, points 17
47
Strength to Weight: Axial, points 6.1
18 to 37
Strength to Weight: Bending, points 8.4
25 to 41
Thermal Diffusivity, mm2/s 17
59
Thermal Shock Resistance, points 8.1
8.3 to 17

Alloy Composition

Aluminum (Al), % 0 to 0.0050
91.2 to 94.8
Antimony (Sb), % 0 to 0.8
0
Chromium (Cr), % 0
0.1 to 0.35
Copper (Cu), % 75 to 79
0 to 0.2
Iron (Fe), % 0 to 0.15
0 to 0.4
Lead (Pb), % 13 to 16
0
Magnesium (Mg), % 0
1.0 to 1.4
Manganese (Mn), % 0
0.050 to 0.5
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0 to 0.35
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 6.3 to 7.5
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