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2124 Aluminum vs. C93200 Bronze

2124 aluminum belongs to the aluminum alloys classification, while C93200 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 2124 aluminum and the bottom bar is C93200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
100
Elongation at Break, % 5.7
20
Fatigue Strength, MPa 130
110
Poisson's Ratio 0.33
0.35
Shear Modulus, GPa 27
38
Tensile Strength: Ultimate (UTS), MPa 490
240
Tensile Strength: Yield (Proof), MPa 430
130

Thermal Properties

Latent Heat of Fusion, J/g 390
180
Maximum Temperature: Mechanical, °C 190
160
Melting Completion (Liquidus), °C 640
980
Melting Onset (Solidus), °C 500
850
Specific Heat Capacity, J/kg-K 880
360
Thermal Conductivity, W/m-K 150
59
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
12
Electrical Conductivity: Equal Weight (Specific), % IACS 110
12

Otherwise Unclassified Properties

Base Metal Price, % relative 10
32
Density, g/cm3 3.0
8.8
Embodied Carbon, kg CO2/kg material 8.2
3.2
Embodied Energy, MJ/kg 150
52
Embodied Water, L/kg 1150
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
40
Resilience: Unit (Modulus of Resilience), kJ/m3 1290
76
Stiffness to Weight: Axial, points 13
6.5
Stiffness to Weight: Bending, points 46
18
Strength to Weight: Axial, points 45
7.5
Strength to Weight: Bending, points 46
9.7
Thermal Diffusivity, mm2/s 58
18
Thermal Shock Resistance, points 21
9.3

Alloy Composition

Aluminum (Al), % 91.3 to 94.7
0 to 0.0050
Antimony (Sb), % 0
0 to 0.35
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.8 to 4.9
81 to 85
Iron (Fe), % 0 to 0.3
0 to 0.2
Lead (Pb), % 0
6.0 to 8.0
Magnesium (Mg), % 1.2 to 1.8
0
Manganese (Mn), % 0.3 to 0.9
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 0.080
Tin (Sn), % 0
6.3 to 7.5
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
2.0 to 4.0
Residuals, % 0
0 to 1.0