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EN AC-44500 Aluminum vs. Austenitic Nodular Cast Iron

EN AC-44500 aluminum belongs to the aluminum alloys classification, while austenitic nodular cast iron belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (6, 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 EN AC-44500 aluminum and the bottom bar is austenitic nodular cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 68
140 to 240
Elastic (Young's, Tensile) Modulus, GPa 72
180 to 190
Elongation at Break, % 1.1
6.8 to 34
Poisson's Ratio 0.33
0.29 to 0.3
Shear Modulus, GPa 27
70 to 72
Tensile Strength: Ultimate (UTS), MPa 270
430 to 500
Tensile Strength: Yield (Proof), MPa 160
190 to 240

Thermal Properties

Latent Heat of Fusion, J/g 570
280 to 350
Melting Completion (Liquidus), °C 590
1340 to 1400
Melting Onset (Solidus), °C 580
1300 to 1360
Specific Heat Capacity, J/kg-K 900
470 to 490
Thermal Expansion, µm/m-K 21
13 to 14

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
16 to 25
Density, g/cm3 2.5
7.7 to 8.0
Embodied Carbon, kg CO2/kg material 7.7
3.5 to 4.9
Embodied Energy, MJ/kg 140
48 to 68
Embodied Water, L/kg 1050
91 to 120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6
24 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 180
98 to 160
Stiffness to Weight: Axial, points 16
13
Stiffness to Weight: Bending, points 55
24 to 25
Strength to Weight: Axial, points 29
15 to 18
Strength to Weight: Bending, points 36
16 to 18
Thermal Shock Resistance, points 13
12 to 15