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EN 1.7220 Steel vs. EN-MC32110 Magnesium

EN 1.7220 steel belongs to the iron alloys classification, while EN-MC32110 magnesium belongs to the magnesium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, 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 1.7220 steel and the bottom bar is EN-MC32110 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 290
60
Elastic (Young's, Tensile) Modulus, GPa 190
49
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
19
Tensile Strength: Ultimate (UTS), MPa 520 to 1720
220

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Maximum Temperature: Mechanical, °C 420
99
Melting Completion (Liquidus), °C 1460
600
Melting Onset (Solidus), °C 1420
500
Specific Heat Capacity, J/kg-K 470
950
Thermal Conductivity, W/m-K 44
120
Thermal Expansion, µm/m-K 13
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
32
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
140

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
13
Density, g/cm3 7.8
2.1
Embodied Carbon, kg CO2/kg material 1.5
22
Embodied Energy, MJ/kg 20
150
Embodied Water, L/kg 51
920

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
58
Strength to Weight: Axial, points 18 to 61
29
Strength to Weight: Bending, points 18 to 41
38
Thermal Diffusivity, mm2/s 12
58
Thermal Shock Resistance, points 15 to 50
12

Alloy Composition


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Aluminum (Al), % 0
0 to 0.2
Carbon (C), % 0.3 to 0.37
0
Chromium (Cr), % 0.9 to 1.2
0
Copper (Cu), % 0
2.4 to 3.0
Iron (Fe), % 96.8 to 98.1
0 to 0.050
Magnesium (Mg), % 0
89.3 to 91.9
Manganese (Mn), % 0.6 to 0.9
0.25 to 0.75
Molybdenum (Mo), % 0.15 to 0.3
0
Nickel (Ni), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.4
0 to 0.2
Sulfur (S), % 0 to 0.035
0
Zinc (Zn), % 0
5.5 to 6.5
Residuals, % 0
0 to 0.010