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A390.0 Aluminum vs. C94300 Bronze

A390.0 aluminum belongs to the aluminum alloys classification, while C94300 bronze belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (2, 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 A390.0 aluminum and the bottom bar is C94300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 75
87
Elongation at Break, % 0.87 to 0.91
9.7
Poisson's Ratio 0.33
0.36
Shear Modulus, GPa 28
32
Tensile Strength: Ultimate (UTS), MPa 190 to 290
180
Tensile Strength: Yield (Proof), MPa 190 to 290
120

Thermal Properties

Latent Heat of Fusion, J/g 640
150
Maximum Temperature: Mechanical, °C 170
110
Melting Completion (Liquidus), °C 580
820
Melting Onset (Solidus), °C 480
760
Specific Heat Capacity, J/kg-K 880
320
Thermal Conductivity, W/m-K 130
63
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 67
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 11
28
Density, g/cm3 2.7
9.3
Embodied Carbon, kg CO2/kg material 7.3
2.9
Embodied Energy, MJ/kg 140
47
Embodied Water, L/kg 950
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.6 to 2.6
15
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 580
77
Stiffness to Weight: Axial, points 15
5.2
Stiffness to Weight: Bending, points 52
16
Strength to Weight: Axial, points 19 to 30
5.2
Strength to Weight: Bending, points 27 to 36
7.4
Thermal Diffusivity, mm2/s 56
21
Thermal Shock Resistance, points 9.0 to 14
7.1

Alloy Composition

Aluminum (Al), % 75.3 to 79.6
0 to 0.0050
Antimony (Sb), % 0
0 to 0.8
Copper (Cu), % 4.0 to 5.0
67 to 72
Iron (Fe), % 0 to 0.5
0 to 0.15
Lead (Pb), % 0
23 to 27
Magnesium (Mg), % 0.45 to 0.65
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0
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 0.080
Tin (Sn), % 0
4.5 to 6.0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
0 to 0.8
Residuals, % 0
0 to 1.0