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4032 Aluminum vs. C93900 Bronze

4032 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 4032 aluminum and the bottom bar is C93900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
95
Elongation at Break, % 6.7
5.6
Poisson's Ratio 0.33
0.36
Shear Modulus, GPa 28
35
Tensile Strength: Ultimate (UTS), MPa 390
190
Tensile Strength: Yield (Proof), MPa 320
130

Thermal Properties

Latent Heat of Fusion, J/g 570
170
Maximum Temperature: Mechanical, °C 180
140
Melting Completion (Liquidus), °C 570
940
Melting Onset (Solidus), °C 530
850
Specific Heat Capacity, J/kg-K 900
340
Thermal Conductivity, W/m-K 140
52
Thermal Expansion, µm/m-K 19
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
11
Electrical Conductivity: Equal Weight (Specific), % IACS 120
11

Otherwise Unclassified Properties

Base Metal Price, % relative 10
30
Density, g/cm3 2.6
9.1
Embodied Carbon, kg CO2/kg material 7.8
3.0
Embodied Energy, MJ/kg 140
49
Embodied Water, L/kg 1030
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25
9.5
Resilience: Unit (Modulus of Resilience), kJ/m3 700
83
Stiffness to Weight: Axial, points 15
5.8
Stiffness to Weight: Bending, points 53
17
Strength to Weight: Axial, points 41
5.9
Strength to Weight: Bending, points 45
8.1
Thermal Diffusivity, mm2/s 59
17
Thermal Shock Resistance, points 20
7.5

Alloy Composition

Aluminum (Al), % 81.1 to 87.2
0 to 0.0050
Antimony (Sb), % 0
0 to 0.5
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0.5 to 1.3
76.5 to 79.5
Iron (Fe), % 0 to 1.0
0 to 0.4
Lead (Pb), % 0
14 to 18
Magnesium (Mg), % 0.8 to 1.3
0
Nickel (Ni), % 0.5 to 1.3
0 to 0.8
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 11 to 13.5
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
5.0 to 7.0
Zinc (Zn), % 0 to 0.25
0 to 1.5
Residuals, % 0
0 to 1.1