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EN AC-45000 Aluminum vs. Ductile Cast Iron

EN AC-45000 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-45000 aluminum and the bottom bar is ductile cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 77
160 to 310
Elastic (Young's, Tensile) Modulus, GPa 73
170 to 180
Elongation at Break, % 1.1
2.1 to 20
Poisson's Ratio 0.33
0.28 to 0.31
Shear Modulus, GPa 27
64 to 70
Tensile Strength: Ultimate (UTS), MPa 180
460 to 920
Tensile Strength: Yield (Proof), MPa 110
310 to 670

Thermal Properties

Latent Heat of Fusion, J/g 470
270
Maximum Temperature: Mechanical, °C 180
290
Melting Completion (Liquidus), °C 640
1160
Melting Onset (Solidus), °C 520
1120
Specific Heat Capacity, J/kg-K 870
490
Thermal Conductivity, W/m-K 120
31 to 36
Thermal Expansion, µm/m-K 22
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 81
8.8 to 9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 11
1.9
Density, g/cm3 3.0
7.1 to 7.5
Embodied Carbon, kg CO2/kg material 7.7
1.5
Embodied Energy, MJ/kg 140
21
Embodied Water, L/kg 1070
43

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.7
17 to 80
Resilience: Unit (Modulus of Resilience), kJ/m3 80
280 to 1330
Stiffness to Weight: Axial, points 14
12 to 14
Stiffness to Weight: Bending, points 47
24 to 26
Strength to Weight: Axial, points 17
17 to 35
Strength to Weight: Bending, points 24
18 to 29
Thermal Diffusivity, mm2/s 47
8.9 to 10
Thermal Shock Resistance, points 8.0
17 to 35

Alloy Composition

Aluminum (Al), % 82.2 to 91.8
0
Carbon (C), % 0
3.0 to 3.5
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 3.0 to 5.0
0
Iron (Fe), % 0 to 1.0
93.7 to 95.5
Lead (Pb), % 0 to 0.3
0
Magnesium (Mg), % 0 to 0.55
0
Manganese (Mn), % 0.2 to 0.65
0
Nickel (Ni), % 0 to 0.45
0
Phosphorus (P), % 0
0 to 0.080
Silicon (Si), % 5.0 to 7.0
1.5 to 2.8
Tin (Sn), % 0 to 0.15
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 2.0
0
Residuals, % 0 to 0.35
0