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354.0 Aluminum vs. Automotive Malleable Cast Iron

354.0 aluminum belongs to the aluminum alloys classification, while automotive malleable cast iron belongs to the iron alloys. There are 27 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 354.0 aluminum and the bottom bar is automotive malleable cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
180
Elongation at Break, % 2.4 to 3.0
1.0 to 10
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
70
Tensile Strength: Ultimate (UTS), MPa 360 to 380
350 to 720
Tensile Strength: Yield (Proof), MPa 280 to 310
220 to 590

Thermal Properties

Latent Heat of Fusion, J/g 530
260
Melting Completion (Liquidus), °C 600
1410
Melting Onset (Solidus), °C 550
1370
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 130
41
Thermal Expansion, µm/m-K 21
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 110
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.9
Density, g/cm3 2.7
7.6
Embodied Carbon, kg CO2/kg material 7.8
1.5
Embodied Energy, MJ/kg 150
20
Embodied Water, L/kg 1070
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.6 to 9.8
6.8 to 30
Resilience: Unit (Modulus of Resilience), kJ/m3 540 to 670
130 to 950
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 52
25
Strength to Weight: Axial, points 37 to 39
13 to 26
Strength to Weight: Bending, points 42 to 44
14 to 24
Thermal Diffusivity, mm2/s 52
11
Thermal Shock Resistance, points 17 to 18
9.9 to 21

Alloy Composition


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Aluminum (Al), % 87.3 to 89.4
0
Carbon (C), % 0
2.2 to 2.9
Copper (Cu), % 1.6 to 2.0
0
Iron (Fe), % 0 to 0.2
93.6 to 96.7
Magnesium (Mg), % 0.4 to 0.6
0
Manganese (Mn), % 0 to 0.1
0.15 to 1.3
Phosphorus (P), % 0
0.020 to 0.15
Silicon (Si), % 8.6 to 9.4
0.9 to 1.9
Sulfur (S), % 0
0.020 to 0.2
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0