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3102 Aluminum vs. Austenitic Nodular Cast Iron

3102 aluminum belongs to the aluminum alloys classification, while austenitic nodular cast iron belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, 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 3102 aluminum and the bottom bar is austenitic nodular cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
180 to 190
Elongation at Break, % 23 to 28
6.8 to 34
Poisson's Ratio 0.33
0.29 to 0.3
Shear Modulus, GPa 26
70 to 72
Tensile Strength: Ultimate (UTS), MPa 92 to 100
430 to 500
Tensile Strength: Yield (Proof), MPa 28 to 34
190 to 240

Thermal Properties

Latent Heat of Fusion, J/g 400
280 to 350
Melting Completion (Liquidus), °C 640
1340 to 1400
Melting Onset (Solidus), °C 640
1300 to 1360
Specific Heat Capacity, J/kg-K 900
470 to 490
Thermal Expansion, µm/m-K 23
13 to 14

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
16 to 25
Density, g/cm3 2.7
7.7 to 8.0
Embodied Carbon, kg CO2/kg material 8.2
3.5 to 4.9
Embodied Energy, MJ/kg 150
48 to 68
Embodied Water, L/kg 1190
91 to 120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 22
24 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 5.8 to 8.3
98 to 160
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24 to 25
Strength to Weight: Axial, points 9.4 to 10
15 to 18
Strength to Weight: Bending, points 17 to 18
16 to 18
Thermal Shock Resistance, points 4.1 to 4.4
12 to 15