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EN AC-42000 Aluminum vs. Ductile Cast Iron

EN AC-42000 aluminum belongs to the aluminum alloys classification, while ductile cast iron belongs to the iron 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 EN AC-42000 aluminum and the bottom bar is ductile cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 59 to 91
160 to 310
Elastic (Young's, Tensile) Modulus, GPa 70
170 to 180
Elongation at Break, % 1.1 to 2.4
2.1 to 20
Poisson's Ratio 0.33
0.28 to 0.31
Shear Modulus, GPa 26
64 to 70
Tensile Strength: Ultimate (UTS), MPa 170 to 270
460 to 920
Tensile Strength: Yield (Proof), MPa 95 to 230
310 to 670

Thermal Properties

Latent Heat of Fusion, J/g 500
270
Maximum Temperature: Mechanical, °C 170
290
Melting Completion (Liquidus), °C 610
1160
Melting Onset (Solidus), °C 600
1120
Specific Heat Capacity, J/kg-K 900
490
Thermal Conductivity, W/m-K 160
31 to 36
Thermal Expansion, µm/m-K 22
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 130
8.8 to 9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.9
Density, g/cm3 2.6
7.1 to 7.5
Embodied Carbon, kg CO2/kg material 8.0
1.5
Embodied Energy, MJ/kg 150
21
Embodied Water, L/kg 1110
43

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.8 to 5.7
17 to 80
Resilience: Unit (Modulus of Resilience), kJ/m3 64 to 370
280 to 1330
Stiffness to Weight: Axial, points 15
12 to 14
Stiffness to Weight: Bending, points 53
24 to 26
Strength to Weight: Axial, points 18 to 28
17 to 35
Strength to Weight: Bending, points 26 to 35
18 to 29
Thermal Diffusivity, mm2/s 66
8.9 to 10
Thermal Shock Resistance, points 7.9 to 12
17 to 35

Alloy Composition

Aluminum (Al), % 89.9 to 93.3
0
Carbon (C), % 0
3.0 to 3.5
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 0 to 0.55
93.7 to 95.5
Lead (Pb), % 0 to 0.15
0
Magnesium (Mg), % 0.2 to 0.65
0
Manganese (Mn), % 0 to 0.35
0
Nickel (Ni), % 0 to 0.15
0
Phosphorus (P), % 0
0 to 0.080
Silicon (Si), % 6.5 to 7.5
1.5 to 2.8
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.15
0
Residuals, % 0 to 0.15
0

Comparable Variants