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EN-MC32110 Magnesium vs. EN 1.0308 Steel

EN-MC32110 magnesium belongs to the magnesium alloys classification, while EN 1.0308 steel belongs to the iron alloys. 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 1.0308 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
100 to 130
Elastic (Young's, Tensile) Modulus, GPa 49
190
Elongation at Break, % 2.2
7.8 to 28
Fatigue Strength, MPa 80
140 to 200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 19
73
Shear Strength, MPa 120
230 to 260
Tensile Strength: Ultimate (UTS), MPa 220
360 to 440
Tensile Strength: Yield (Proof), MPa 140
190 to 340

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 99
400
Melting Completion (Liquidus), °C 600
1460
Melting Onset (Solidus), °C 500
1420
Specific Heat Capacity, J/kg-K 950
470
Thermal Conductivity, W/m-K 120
51
Thermal Expansion, µm/m-K 26
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 13
1.8
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
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
32 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 210
93 to 300
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 58
24
Strength to Weight: Axial, points 29
13 to 16
Strength to Weight: Bending, points 38
14 to 16
Thermal Diffusivity, mm2/s 58
14
Thermal Shock Resistance, points 12
11 to 14

Alloy Composition


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Aluminum (Al), % 0 to 0.2
0
Carbon (C), % 0
0 to 0.17
Copper (Cu), % 2.4 to 3.0
0
Iron (Fe), % 0 to 0.050
98.2 to 100
Magnesium (Mg), % 89.3 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0 to 1.2
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.2
0 to 0.35
Sulfur (S), % 0
0 to 0.045
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.010
0