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384.0 Aluminum vs. C87700 Bronze

384.0 aluminum belongs to the aluminum alloys classification, while C87700 bronze belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, 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 384.0 aluminum and the bottom bar is C87700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 74
110
Elongation at Break, % 2.5
3.6
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 28
42
Tensile Strength: Ultimate (UTS), MPa 330
300
Tensile Strength: Yield (Proof), MPa 170
120

Thermal Properties

Latent Heat of Fusion, J/g 550
250
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 580
980
Melting Onset (Solidus), °C 530
900
Specific Heat Capacity, J/kg-K 870
400
Thermal Conductivity, W/m-K 96
120
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
45
Electrical Conductivity: Equal Weight (Specific), % IACS 69
48

Otherwise Unclassified Properties

Base Metal Price, % relative 11
29
Density, g/cm3 2.9
8.5
Embodied Carbon, kg CO2/kg material 7.4
2.7
Embodied Energy, MJ/kg 140
45
Embodied Water, L/kg 1010
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
8.6
Resilience: Unit (Modulus of Resilience), kJ/m3 190
64
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 49
19
Strength to Weight: Axial, points 32
9.8
Strength to Weight: Bending, points 37
12
Thermal Diffusivity, mm2/s 39
34
Thermal Shock Resistance, points 15
11

Alloy Composition

Aluminum (Al), % 77.3 to 86.5
0
Antimony (Sb), % 0
0 to 0.1
Copper (Cu), % 3.0 to 4.5
87.5 to 90.5
Iron (Fe), % 0 to 1.3
0 to 0.5
Lead (Pb), % 0
0 to 0.090
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 0.8
Nickel (Ni), % 0 to 0.5
0 to 0.25
Phosphorus (P), % 0
0 to 0.15
Silicon (Si), % 10.5 to 12
2.5 to 3.5
Tin (Sn), % 0 to 0.35
0 to 2.0
Zinc (Zn), % 0 to 3.0
7.0 to 9.0
Residuals, % 0
0 to 0.8