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Automotive Malleable Cast Iron vs. EN-MC95310 Magnesium

Automotive malleable cast iron belongs to the iron alloys classification, while EN-MC95310 magnesium belongs to the magnesium alloys. There are 28 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 automotive malleable cast iron and the bottom bar is EN-MC95310 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 290
85
Elastic (Young's, Tensile) Modulus, GPa 180
45
Elongation at Break, % 1.0 to 10
2.2
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 70
17
Tensile Strength: Ultimate (UTS), MPa 350 to 720
280
Tensile Strength: Yield (Proof), MPa 220 to 590
190

Thermal Properties

Latent Heat of Fusion, J/g 260
330
Melting Completion (Liquidus), °C 1410
650
Melting Onset (Solidus), °C 1370
540
Specific Heat Capacity, J/kg-K 480
960
Thermal Conductivity, W/m-K 41
51
Thermal Expansion, µm/m-K 14
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
50

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
34
Density, g/cm3 7.6
1.9
Embodied Carbon, kg CO2/kg material 1.5
29
Embodied Energy, MJ/kg 20
260
Embodied Water, L/kg 45
900

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.8 to 30
5.6
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 950
420
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
61
Strength to Weight: Axial, points 13 to 26
40
Strength to Weight: Bending, points 14 to 24
49
Thermal Diffusivity, mm2/s 11
28
Thermal Shock Resistance, points 9.9 to 21
18

Alloy Composition

Carbon (C), % 2.2 to 2.9
0
Copper (Cu), % 0
0 to 0.030
Iron (Fe), % 93.6 to 96.7
0 to 0.010
Lithium (Li), % 0
0 to 0.2
Magnesium (Mg), % 0
88.9 to 93.4
Manganese (Mn), % 0.15 to 1.3
0 to 0.15
Nickel (Ni), % 0
0 to 0.0050
Phosphorus (P), % 0.020 to 0.15
0
Silicon (Si), % 0.9 to 1.9
0 to 0.010
Sulfur (S), % 0.020 to 0.2
0
Unspecified Rare Earths, % 0
1.5 to 4.0
Yttrium (Y), % 0
4.8 to 5.5
Zinc (Zn), % 0
0 to 0.2
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.010