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Ductile Cast Iron vs. 2014A Aluminum

Ductile cast iron belongs to the iron alloys classification, while 2014A aluminum belongs to the aluminum alloys. There are 29 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 ductile cast iron and the bottom bar is 2014A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 170 to 180
72
Elongation at Break, % 2.1 to 20
6.2 to 16
Poisson's Ratio 0.28 to 0.31
0.33
Shear Modulus, GPa 64 to 70
27
Shear Strength, MPa 420 to 800
130 to 290
Tensile Strength: Ultimate (UTS), MPa 460 to 920
210 to 490
Tensile Strength: Yield (Proof), MPa 310 to 670
110 to 430

Thermal Properties

Latent Heat of Fusion, J/g 270
400
Maximum Temperature: Mechanical, °C 290
210
Melting Completion (Liquidus), °C 1160
640
Melting Onset (Solidus), °C 1120
510
Specific Heat Capacity, J/kg-K 490
870
Thermal Conductivity, W/m-K 31 to 36
150
Thermal Expansion, µm/m-K 11
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
37
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8 to 9.4
110

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
11
Density, g/cm3 7.1 to 7.5
3.0
Embodied Carbon, kg CO2/kg material 1.5
8.1
Embodied Energy, MJ/kg 21
150
Embodied Water, L/kg 43
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 80
24 to 49
Resilience: Unit (Modulus of Resilience), kJ/m3 280 to 1330
85 to 1300
Stiffness to Weight: Axial, points 12 to 14
13
Stiffness to Weight: Bending, points 24 to 26
46
Strength to Weight: Axial, points 17 to 35
19 to 45
Strength to Weight: Bending, points 18 to 29
26 to 46
Thermal Diffusivity, mm2/s 8.9 to 10
55
Thermal Shock Resistance, points 17 to 35
9.0 to 22

Alloy Composition

Aluminum (Al), % 0
90.8 to 95
Carbon (C), % 3.0 to 3.5
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0
3.9 to 5.0
Iron (Fe), % 93.7 to 95.5
0 to 0.5
Magnesium (Mg), % 0
0.2 to 0.8
Manganese (Mn), % 0
0.4 to 1.2
Nickel (Ni), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.080
0
Silicon (Si), % 1.5 to 2.8
0.5 to 0.9
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 0.25
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.15

Comparable Variants