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EN-MC35110 Magnesium vs. EN 1.7108 Steel

EN-MC35110 magnesium belongs to the magnesium alloys classification, while EN 1.7108 steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, 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 EN 1.7108 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 63
200 to 510
Elastic (Young's, Tensile) Modulus, GPa 45
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 18
72
Tensile Strength: Ultimate (UTS), MPa 230
670 to 2070

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Mechanical, °C 140
410
Melting Completion (Liquidus), °C 600
1430
Melting Onset (Solidus), °C 520
1390
Specific Heat Capacity, J/kg-K 970
480
Thermal Conductivity, W/m-K 110
46
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 130
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 18
2.1
Density, g/cm3 1.9
7.7
Embodied Carbon, kg CO2/kg material 24
1.5
Embodied Energy, MJ/kg 170
20
Embodied Water, L/kg 940
47

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 63
25
Strength to Weight: Axial, points 34
24 to 75
Strength to Weight: Bending, points 44
22 to 47
Thermal Diffusivity, mm2/s 61
12
Thermal Shock Resistance, points 14
20 to 63

Alloy Composition


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Carbon (C), % 0
0.57 to 0.65
Chromium (Cr), % 0
0.2 to 0.45
Copper (Cu), % 0 to 0.030
0
Iron (Fe), % 0 to 0.010
95.9 to 96.9
Magnesium (Mg), % 92 to 95.4
0
Manganese (Mn), % 0 to 0.15
0.7 to 1.0
Nickel (Ni), % 0 to 0.0050
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.010
1.6 to 2.0
Sulfur (S), % 0
0 to 0.025
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