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384.0 Aluminum vs. C86700 Bronze

384.0 aluminum belongs to the aluminum alloys classification, while C86700 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 C86700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 74
110
Elongation at Break, % 2.5
17
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 28
41
Tensile Strength: Ultimate (UTS), MPa 330
630
Tensile Strength: Yield (Proof), MPa 170
250

Thermal Properties

Latent Heat of Fusion, J/g 550
180
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 580
880
Melting Onset (Solidus), °C 530
860
Specific Heat Capacity, J/kg-K 870
400
Thermal Conductivity, W/m-K 96
89
Thermal Expansion, µm/m-K 21
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
17
Electrical Conductivity: Equal Weight (Specific), % IACS 69
19

Otherwise Unclassified Properties

Base Metal Price, % relative 11
23
Density, g/cm3 2.9
7.9
Embodied Carbon, kg CO2/kg material 7.4
2.9
Embodied Energy, MJ/kg 140
49
Embodied Water, L/kg 1010
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
86
Resilience: Unit (Modulus of Resilience), kJ/m3 190
290
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 49
20
Strength to Weight: Axial, points 32
22
Strength to Weight: Bending, points 37
21
Thermal Diffusivity, mm2/s 39
28
Thermal Shock Resistance, points 15
21

Alloy Composition

Aluminum (Al), % 77.3 to 86.5
1.0 to 3.0
Copper (Cu), % 3.0 to 4.5
55 to 60
Iron (Fe), % 0 to 1.3
1.0 to 3.0
Lead (Pb), % 0
0.5 to 1.5
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
1.0 to 3.5
Nickel (Ni), % 0 to 0.5
0 to 1.0
Silicon (Si), % 10.5 to 12
0
Tin (Sn), % 0 to 0.35
0 to 1.5
Zinc (Zn), % 0 to 3.0
30 to 38
Residuals, % 0
0 to 1.0