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C67400 Bronze vs. 2124 Aluminum

C67400 bronze belongs to the copper alloys classification, while 2124 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 C67400 bronze and the bottom bar is 2124 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
71
Elongation at Break, % 22 to 28
5.7
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 41
27
Shear Strength, MPa 310 to 350
280
Tensile Strength: Ultimate (UTS), MPa 480 to 610
490
Tensile Strength: Yield (Proof), MPa 250 to 370
430

Thermal Properties

Latent Heat of Fusion, J/g 190
390
Maximum Temperature: Mechanical, °C 130
190
Melting Completion (Liquidus), °C 890
640
Melting Onset (Solidus), °C 870
500
Specific Heat Capacity, J/kg-K 400
880
Thermal Conductivity, W/m-K 100
150
Thermal Expansion, µm/m-K 21
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
38
Electrical Conductivity: Equal Weight (Specific), % IACS 26
110

Otherwise Unclassified Properties

Base Metal Price, % relative 23
10
Density, g/cm3 7.9
3.0
Embodied Carbon, kg CO2/kg material 2.8
8.2
Embodied Energy, MJ/kg 48
150
Embodied Water, L/kg 330
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
27
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 660
1290
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 20
46
Strength to Weight: Axial, points 17 to 22
45
Strength to Weight: Bending, points 17 to 20
46
Thermal Diffusivity, mm2/s 32
58
Thermal Shock Resistance, points 16 to 20
21

Alloy Composition

Aluminum (Al), % 0.5 to 2.0
91.3 to 94.7
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 57 to 60
3.8 to 4.9
Iron (Fe), % 0 to 0.35
0 to 0.3
Lead (Pb), % 0 to 0.5
0
Magnesium (Mg), % 0
1.2 to 1.8
Manganese (Mn), % 2.0 to 3.5
0.3 to 0.9
Nickel (Ni), % 0 to 0.25
0
Silicon (Si), % 0.5 to 1.5
0 to 0.2
Tin (Sn), % 0 to 0.3
0
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 31.1 to 40
0 to 0.25
Residuals, % 0
0 to 0.15