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7108A Aluminum vs. C92200 Bronze

7108A aluminum belongs to the aluminum alloys classification, while C92200 bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 7108A aluminum and the bottom bar is C92200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Elongation at Break, % 11 to 13
25
Fatigue Strength, MPa 120 to 130
76
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
41
Tensile Strength: Ultimate (UTS), MPa 350
280
Tensile Strength: Yield (Proof), MPa 290 to 300
140

Thermal Properties

Latent Heat of Fusion, J/g 380
190
Maximum Temperature: Mechanical, °C 210
170
Melting Completion (Liquidus), °C 630
990
Melting Onset (Solidus), °C 520
830
Specific Heat Capacity, J/kg-K 870
370
Thermal Conductivity, W/m-K 150
70
Thermal Expansion, µm/m-K 24
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
14
Electrical Conductivity: Equal Weight (Specific), % IACS 110
14

Otherwise Unclassified Properties

Base Metal Price, % relative 10
32
Density, g/cm3 2.9
8.7
Embodied Carbon, kg CO2/kg material 8.3
3.2
Embodied Energy, MJ/kg 150
52
Embodied Water, L/kg 1150
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 44
58
Resilience: Unit (Modulus of Resilience), kJ/m3 610 to 640
87
Stiffness to Weight: Axial, points 13
6.9
Stiffness to Weight: Bending, points 47
18
Strength to Weight: Axial, points 33 to 34
8.9
Strength to Weight: Bending, points 38
11
Thermal Diffusivity, mm2/s 59
21
Thermal Shock Resistance, points 15 to 16
9.9

Alloy Composition

Aluminum (Al), % 91.6 to 94.4
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Chromium (Cr), % 0 to 0.040
0
Copper (Cu), % 0 to 0.050
86 to 90
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.3
0 to 0.25
Lead (Pb), % 0
1.0 to 2.0
Magnesium (Mg), % 0.7 to 1.5
0
Manganese (Mn), % 0 to 0.050
0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0 to 0.2
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
5.5 to 6.5
Titanium (Ti), % 0 to 0.030
0
Zinc (Zn), % 4.8 to 5.8
3.0 to 5.0
Zirconium (Zr), % 0.15 to 0.25
0
Residuals, % 0
0 to 0.7