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EN-MC32110 Magnesium vs. EN 1.0420 Cast Steel

EN-MC32110 magnesium belongs to the magnesium alloys classification, while EN 1.0420 cast steel 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-MC32110 magnesium and the bottom bar is EN 1.0420 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 49
190
Elongation at Break, % 2.2
28
Fatigue Strength, MPa 80
170
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 19
73
Tensile Strength: Ultimate (UTS), MPa 220
460
Tensile Strength: Yield (Proof), MPa 140
220

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 99
400
Melting Completion (Liquidus), °C 600
1470
Melting Onset (Solidus), °C 500
1430
Specific Heat Capacity, J/kg-K 950
470
Thermal Conductivity, W/m-K 120
53
Thermal Expansion, µm/m-K 26
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
1.7
Density, g/cm3 2.1
7.9
Embodied Carbon, kg CO2/kg material 22
1.4
Embodied Energy, MJ/kg 150
18
Embodied Water, L/kg 920
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
110
Resilience: Unit (Modulus of Resilience), kJ/m3 210
130
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 58
24
Strength to Weight: Axial, points 29
16
Strength to Weight: Bending, points 38
17
Thermal Diffusivity, mm2/s 58
14
Thermal Shock Resistance, points 12
14

Alloy Composition


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Aluminum (Al), % 0 to 0.2
0
Copper (Cu), % 2.4 to 3.0
0
Iron (Fe), % 0 to 0.050
99.935 to 100
Magnesium (Mg), % 89.3 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.2
0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.010
0