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Austenitic Nodular Cast Iron vs. 1085 Aluminum

Austenitic nodular cast iron belongs to the iron alloys classification, while 1085 aluminum belongs to the aluminum 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 austenitic nodular cast iron and the bottom bar is 1085 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180 to 190
68
Elongation at Break, % 6.8 to 34
4.5 to 39
Poisson's Ratio 0.29 to 0.3
0.33
Shear Modulus, GPa 70 to 72
26
Tensile Strength: Ultimate (UTS), MPa 430 to 500
73 to 140
Tensile Strength: Yield (Proof), MPa 190 to 240
17 to 120

Thermal Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 16 to 25
9.5
Density, g/cm3 7.7 to 8.0
2.7
Embodied Carbon, kg CO2/kg material 3.5 to 4.9
8.3
Embodied Energy, MJ/kg 48 to 68
160
Embodied Water, L/kg 91 to 120
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 140
4.8 to 21
Resilience: Unit (Modulus of Resilience), kJ/m3 98 to 160
2.1 to 110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24 to 25
50
Strength to Weight: Axial, points 15 to 18
7.5 to 14
Strength to Weight: Bending, points 16 to 18
14 to 22
Thermal Shock Resistance, points 12 to 15
3.3 to 6.1