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3203 Aluminum vs. C90200 Bronze

3203 aluminum belongs to the aluminum alloys classification, while C90200 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 3203 aluminum and the bottom bar is C90200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 4.5 to 29
30
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
41
Tensile Strength: Ultimate (UTS), MPa 110 to 200
260
Tensile Strength: Yield (Proof), MPa 39 to 190
110

Thermal Properties

Latent Heat of Fusion, J/g 400
200
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 650
1050
Melting Onset (Solidus), °C 620
880
Specific Heat Capacity, J/kg-K 900
370
Thermal Conductivity, W/m-K 170
62
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 43
13
Electrical Conductivity: Equal Weight (Specific), % IACS 140
13

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
34
Density, g/cm3 2.8
8.8
Embodied Carbon, kg CO2/kg material 8.1
3.3
Embodied Energy, MJ/kg 150
53
Embodied Water, L/kg 1180
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.0 to 25
63
Resilience: Unit (Modulus of Resilience), kJ/m3 11 to 250
55
Stiffness to Weight: Axial, points 14
7.0
Stiffness to Weight: Bending, points 50
18
Strength to Weight: Axial, points 11 to 20
8.3
Strength to Weight: Bending, points 19 to 28
10
Thermal Diffusivity, mm2/s 70
19
Thermal Shock Resistance, points 4.9 to 8.8
9.5

Alloy Composition

Aluminum (Al), % 96.9 to 99
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 0 to 0.050
91 to 94
Iron (Fe), % 0 to 0.7
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Manganese (Mn), % 1.0 to 1.5
0
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.6
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
6.0 to 8.0
Zinc (Zn), % 0 to 0.1
0 to 0.5
Residuals, % 0
0 to 0.6