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B390.0 Aluminum vs. C90300 Bronze

B390.0 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 (1, 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 B390.0 aluminum and the bottom bar is C90300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
110
Elongation at Break, % 0.88
22
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 29
41
Tensile Strength: Ultimate (UTS), MPa 320
330
Tensile Strength: Yield (Proof), MPa 250
150

Thermal Properties

Latent Heat of Fusion, J/g 640
190
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 580
1000
Melting Onset (Solidus), °C 580
850
Specific Heat Capacity, J/kg-K 880
370
Thermal Conductivity, W/m-K 130
75
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
12
Electrical Conductivity: Equal Weight (Specific), % IACS 88
12

Otherwise Unclassified Properties

Base Metal Price, % relative 11
33
Density, g/cm3 2.8
8.7
Embodied Carbon, kg CO2/kg material 7.3
3.4
Embodied Energy, MJ/kg 130
56
Embodied Water, L/kg 940
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6
59
Resilience: Unit (Modulus of Resilience), kJ/m3 410
110
Stiffness to Weight: Axial, points 15
7.0
Stiffness to Weight: Bending, points 51
18
Strength to Weight: Axial, points 32
11
Strength to Weight: Bending, points 38
12
Thermal Diffusivity, mm2/s 55
23
Thermal Shock Resistance, points 15
12

Alloy Composition

Aluminum (Al), % 72.7 to 79.6
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 4.0 to 5.0
86 to 89
Iron (Fe), % 0 to 1.3
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Magnesium (Mg), % 0.45 to 0.65
0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.1
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 16 to 18
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
7.5 to 9.0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 1.5
3.0 to 5.0
Residuals, % 0
0 to 0.6