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2124 Aluminum vs. C62500 Bronze

2124 aluminum belongs to the aluminum alloys classification, while C62500 bronze belongs to the copper alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, 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 C62500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 5.7
1.0
Fatigue Strength, MPa 130
460
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
42
Shear Strength, MPa 280
410
Tensile Strength: Ultimate (UTS), MPa 490
690
Tensile Strength: Yield (Proof), MPa 430
410

Thermal Properties

Latent Heat of Fusion, J/g 390
230
Maximum Temperature: Mechanical, °C 190
230
Melting Completion (Liquidus), °C 640
1050
Melting Onset (Solidus), °C 500
1050
Specific Heat Capacity, J/kg-K 880
460
Thermal Conductivity, W/m-K 150
47
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
10
Electrical Conductivity: Equal Weight (Specific), % IACS 110
11

Otherwise Unclassified Properties

Base Metal Price, % relative 10
26
Density, g/cm3 3.0
8.1
Embodied Carbon, kg CO2/kg material 8.2
3.3
Embodied Energy, MJ/kg 150
55
Embodied Water, L/kg 1150
410

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
6.0
Resilience: Unit (Modulus of Resilience), kJ/m3 1290
750
Stiffness to Weight: Axial, points 13
7.8
Stiffness to Weight: Bending, points 46
20
Strength to Weight: Axial, points 45
24
Strength to Weight: Bending, points 46
22
Thermal Diffusivity, mm2/s 58
13
Thermal Shock Resistance, points 21
24

Alloy Composition

Aluminum (Al), % 91.3 to 94.7
12.5 to 13.5
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.8 to 4.9
78.5 to 84
Iron (Fe), % 0 to 0.3
3.5 to 5.5
Magnesium (Mg), % 1.2 to 1.8
0
Manganese (Mn), % 0.3 to 0.9
0 to 2.0
Silicon (Si), % 0 to 0.2
0
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0
0 to 0.5