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7204 Aluminum vs. C92200 Bronze

7204 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 7204 aluminum and the bottom bar is C92200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 11 to 13
25
Fatigue Strength, MPa 110 to 130
76
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
41
Tensile Strength: Ultimate (UTS), MPa 220 to 380
280
Tensile Strength: Yield (Proof), MPa 120 to 310
140

Thermal Properties

Latent Heat of Fusion, J/g 380
190
Maximum Temperature: Mechanical, °C 210
170
Melting Completion (Liquidus), °C 640
990
Melting Onset (Solidus), °C 520
830
Specific Heat Capacity, J/kg-K 880
370
Thermal Conductivity, W/m-K 150
70
Thermal Expansion, µm/m-K 24
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
14
Electrical Conductivity: Equal Weight (Specific), % IACS 120
14

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
32
Density, g/cm3 2.9
8.7
Embodied Carbon, kg CO2/kg material 8.4
3.2
Embodied Energy, MJ/kg 150
52
Embodied Water, L/kg 1140
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25 to 40
58
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 710
87
Stiffness to Weight: Axial, points 13
6.9
Stiffness to Weight: Bending, points 47
18
Strength to Weight: Axial, points 21 to 36
8.9
Strength to Weight: Bending, points 28 to 40
11
Thermal Diffusivity, mm2/s 58
21
Thermal Shock Resistance, points 9.4 to 16
9.9

Alloy Composition

Aluminum (Al), % 90.5 to 94.8
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.2
86 to 90
Iron (Fe), % 0 to 0.35
0 to 0.25
Lead (Pb), % 0
1.0 to 2.0
Magnesium (Mg), % 1.0 to 2.0
0
Manganese (Mn), % 0.2 to 0.7
0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0 to 0.3
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
5.5 to 6.5
Titanium (Ti), % 0 to 0.2
0
Vanadium (V), % 0 to 0.1
0
Zinc (Zn), % 4.0 to 5.0
3.0 to 5.0
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0
0 to 0.7