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4007 Aluminum vs. Austenitic Nodular Cast Iron

4007 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 (7, 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 4007 aluminum and the bottom bar is austenitic nodular cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 32 to 44
140 to 240
Elastic (Young's, Tensile) Modulus, GPa 71
180 to 190
Elongation at Break, % 5.1 to 23
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 130 to 160
430 to 500
Tensile Strength: Yield (Proof), MPa 50 to 120
190 to 240

Thermal Properties

Latent Heat of Fusion, J/g 410
280 to 350
Melting Completion (Liquidus), °C 650
1340 to 1400
Melting Onset (Solidus), °C 590
1300 to 1360
Specific Heat Capacity, J/kg-K 890
470 to 490
Thermal Expansion, µm/m-K 23
13 to 14

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
16 to 25
Density, g/cm3 2.8
7.7 to 8.0
Embodied Carbon, kg CO2/kg material 8.1
3.5 to 4.9
Embodied Energy, MJ/kg 150
48 to 68
Embodied Water, L/kg 1160
91 to 120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.4 to 23
24 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 110
98 to 160
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
24 to 25
Strength to Weight: Axial, points 12 to 15
15 to 18
Strength to Weight: Bending, points 20 to 23
16 to 18
Thermal Shock Resistance, points 5.5 to 6.7
12 to 15