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384.0 Aluminum vs. C90300 Bronze

384.0 aluminum belongs to the aluminum alloys classification, while C90300 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 C90300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 74
110
Elongation at Break, % 2.5
22
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 28
41
Tensile Strength: Ultimate (UTS), MPa 330
330
Tensile Strength: Yield (Proof), MPa 170
150

Thermal Properties

Latent Heat of Fusion, J/g 550
190
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 580
1000
Melting Onset (Solidus), °C 530
850
Specific Heat Capacity, J/kg-K 870
370
Thermal Conductivity, W/m-K 96
75
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
12
Electrical Conductivity: Equal Weight (Specific), % IACS 69
12

Otherwise Unclassified Properties

Base Metal Price, % relative 11
33
Density, g/cm3 2.9
8.7
Embodied Carbon, kg CO2/kg material 7.4
3.4
Embodied Energy, MJ/kg 140
56
Embodied Water, L/kg 1010
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
59
Resilience: Unit (Modulus of Resilience), kJ/m3 190
110
Stiffness to Weight: Axial, points 14
7.0
Stiffness to Weight: Bending, points 49
18
Strength to Weight: Axial, points 32
11
Strength to Weight: Bending, points 37
12
Thermal Diffusivity, mm2/s 39
23
Thermal Shock Resistance, points 15
12

Alloy Composition

Aluminum (Al), % 77.3 to 86.5
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 3.0 to 4.5
86 to 89
Iron (Fe), % 0 to 1.3
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.5
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 10.5 to 12
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 0.35
7.5 to 9.0
Zinc (Zn), % 0 to 3.0
3.0 to 5.0
Residuals, % 0
0 to 0.6