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EN-MC35110 Magnesium vs. Ductile Cast Iron

EN-MC35110 magnesium belongs to the magnesium alloys classification, while ductile cast iron belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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-MC35110 magnesium and the bottom bar is ductile cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 63
160 to 310
Elastic (Young's, Tensile) Modulus, GPa 45
170 to 180
Elongation at Break, % 3.1
2.1 to 20
Poisson's Ratio 0.29
0.28 to 0.31
Shear Modulus, GPa 18
64 to 70
Shear Strength, MPa 130
420 to 800
Tensile Strength: Ultimate (UTS), MPa 230
460 to 920
Tensile Strength: Yield (Proof), MPa 150
310 to 670

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Maximum Temperature: Mechanical, °C 140
290
Melting Completion (Liquidus), °C 600
1160
Melting Onset (Solidus), °C 520
1120
Specific Heat Capacity, J/kg-K 970
490
Thermal Conductivity, W/m-K 110
31 to 36
Thermal Expansion, µm/m-K 26
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 130
8.8 to 9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 18
1.9
Density, g/cm3 1.9
7.1 to 7.5
Embodied Carbon, kg CO2/kg material 24
1.5
Embodied Energy, MJ/kg 170
21
Embodied Water, L/kg 940
43

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
17 to 80
Resilience: Unit (Modulus of Resilience), kJ/m3 260
280 to 1330
Stiffness to Weight: Axial, points 13
12 to 14
Stiffness to Weight: Bending, points 63
24 to 26
Strength to Weight: Axial, points 34
17 to 35
Strength to Weight: Bending, points 44
18 to 29
Thermal Diffusivity, mm2/s 61
8.9 to 10
Thermal Shock Resistance, points 14
17 to 35

Alloy Composition


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Carbon (C), % 0
3.0 to 3.5
Copper (Cu), % 0 to 0.030
0
Iron (Fe), % 0 to 0.010
93.7 to 95.5
Magnesium (Mg), % 92 to 95.4
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.0050
0
Phosphorus (P), % 0
0 to 0.080
Silicon (Si), % 0 to 0.010
1.5 to 2.8
Unspecified Rare Earths, % 0.75 to 1.8
0
Zinc (Zn), % 3.5 to 5.0
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0