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1230A Aluminum vs. C95520 Bronze

1230A aluminum belongs to the aluminum alloys classification, while C95520 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 1230A aluminum and the bottom bar is C95520 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
120
Elongation at Break, % 4.5 to 34
2.6
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
44
Tensile Strength: Ultimate (UTS), MPa 89 to 170
970
Tensile Strength: Yield (Proof), MPa 29 to 150
530

Thermal Properties

Latent Heat of Fusion, J/g 400
240
Maximum Temperature: Mechanical, °C 170
240
Melting Completion (Liquidus), °C 640
1070
Melting Onset (Solidus), °C 640
1020
Specific Heat Capacity, J/kg-K 900
450
Thermal Conductivity, W/m-K 230
40
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
11
Electrical Conductivity: Equal Weight (Specific), % IACS 200
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
29
Density, g/cm3 2.7
8.2
Embodied Carbon, kg CO2/kg material 8.2
3.6
Embodied Energy, MJ/kg 150
58
Embodied Water, L/kg 1190
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.4 to 23
21
Resilience: Unit (Modulus of Resilience), kJ/m3 5.9 to 150
1210
Stiffness to Weight: Axial, points 14
8.0
Stiffness to Weight: Bending, points 50
20
Strength to Weight: Axial, points 9.1 to 17
33
Strength to Weight: Bending, points 16 to 25
27
Thermal Diffusivity, mm2/s 93
11
Thermal Shock Resistance, points 4.0 to 7.6
33

Alloy Composition

Aluminum (Al), % 99.3 to 100
10.5 to 11.5
Chromium (Cr), % 0
0 to 0.050
Cobalt (Co), % 0
0 to 0.2
Copper (Cu), % 0 to 0.1
74.5 to 81.3
Iron (Fe), % 0 to 0.7
4.0 to 5.5
Lead (Pb), % 0
0 to 0.030
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.050
0 to 1.5
Nickel (Ni), % 0
4.2 to 6.0
Silicon (Si), % 0 to 0.7
0 to 0.15
Tin (Sn), % 0
0 to 0.25
Zinc (Zn), % 0 to 0.050
0 to 0.3
Residuals, % 0
0 to 0.5