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384.0 Aluminum vs. C93900 Bronze

384.0 aluminum belongs to the aluminum alloys classification, while C93900 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 C93900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 74
95
Elongation at Break, % 2.5
5.6
Poisson's Ratio 0.33
0.36
Shear Modulus, GPa 28
35
Tensile Strength: Ultimate (UTS), MPa 330
190
Tensile Strength: Yield (Proof), MPa 170
130

Thermal Properties

Latent Heat of Fusion, J/g 550
170
Maximum Temperature: Mechanical, °C 170
140
Melting Completion (Liquidus), °C 580
940
Melting Onset (Solidus), °C 530
850
Specific Heat Capacity, J/kg-K 870
340
Thermal Conductivity, W/m-K 96
52
Thermal Expansion, µm/m-K 21
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
11
Electrical Conductivity: Equal Weight (Specific), % IACS 69
11

Otherwise Unclassified Properties

Base Metal Price, % relative 11
30
Density, g/cm3 2.9
9.1
Embodied Carbon, kg CO2/kg material 7.4
3.0
Embodied Energy, MJ/kg 140
49
Embodied Water, L/kg 1010
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
9.5
Resilience: Unit (Modulus of Resilience), kJ/m3 190
83
Stiffness to Weight: Axial, points 14
5.8
Stiffness to Weight: Bending, points 49
17
Strength to Weight: Axial, points 32
5.9
Strength to Weight: Bending, points 37
8.1
Thermal Diffusivity, mm2/s 39
17
Thermal Shock Resistance, points 15
7.5

Alloy Composition

Aluminum (Al), % 77.3 to 86.5
0 to 0.0050
Antimony (Sb), % 0
0 to 0.5
Copper (Cu), % 3.0 to 4.5
76.5 to 79.5
Iron (Fe), % 0 to 1.3
0 to 0.4
Lead (Pb), % 0
14 to 18
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.5
0 to 0.8
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 10.5 to 12
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0 to 0.35
5.0 to 7.0
Zinc (Zn), % 0 to 3.0
0 to 1.5
Residuals, % 0
0 to 1.1