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A384.0 Aluminum vs. C67400 Bronze

A384.0 aluminum belongs to the aluminum alloys classification, while C67400 bronze belongs to the copper 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 A384.0 aluminum and the bottom bar is C67400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 74
110
Elongation at Break, % 2.5
22 to 28
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 28
41
Shear Strength, MPa 200
310 to 350
Tensile Strength: Ultimate (UTS), MPa 330
480 to 610
Tensile Strength: Yield (Proof), MPa 170
250 to 370

Thermal Properties

Latent Heat of Fusion, J/g 550
190
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 610
890
Melting Onset (Solidus), °C 510
870
Specific Heat Capacity, J/kg-K 880
400
Thermal Conductivity, W/m-K 96
100
Thermal Expansion, µm/m-K 21
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
23
Electrical Conductivity: Equal Weight (Specific), % IACS 73
26

Otherwise Unclassified Properties

Base Metal Price, % relative 11
23
Density, g/cm3 2.8
7.9
Embodied Carbon, kg CO2/kg material 7.5
2.8
Embodied Energy, MJ/kg 140
48
Embodied Water, L/kg 1010
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 180
300 to 660
Stiffness to Weight: Axial, points 15
7.5
Stiffness to Weight: Bending, points 50
20
Strength to Weight: Axial, points 32
17 to 22
Strength to Weight: Bending, points 38
17 to 20
Thermal Diffusivity, mm2/s 39
32
Thermal Shock Resistance, points 15
16 to 20

Alloy Composition

Aluminum (Al), % 79.3 to 86.5
0.5 to 2.0
Copper (Cu), % 3.0 to 4.5
57 to 60
Iron (Fe), % 0 to 1.3
0 to 0.35
Lead (Pb), % 0
0 to 0.5
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
2.0 to 3.5
Nickel (Ni), % 0 to 0.5
0 to 0.25
Silicon (Si), % 10.5 to 12
0.5 to 1.5
Tin (Sn), % 0 to 0.35
0 to 0.3
Zinc (Zn), % 0 to 1.0
31.1 to 40
Residuals, % 0
0 to 0.5