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EN-MC21210 Magnesium vs. EN 1.7383 Steel

EN-MC21210 magnesium belongs to the magnesium alloys classification, while EN 1.7383 steel belongs to the iron alloys. There are 31 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-MC21210 magnesium and the bottom bar is EN 1.7383 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 48
170 to 180
Elastic (Young's, Tensile) Modulus, GPa 44
190
Elongation at Break, % 14
20 to 23
Fatigue Strength, MPa 70
210 to 270
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
74
Shear Strength, MPa 110
350 to 380
Tensile Strength: Ultimate (UTS), MPa 190
560 to 610
Tensile Strength: Yield (Proof), MPa 90
300 to 400

Thermal Properties

Latent Heat of Fusion, J/g 350
260
Maximum Temperature: Mechanical, °C 100
460
Melting Completion (Liquidus), °C 600
1470
Melting Onset (Solidus), °C 570
1430
Specific Heat Capacity, J/kg-K 1000
470
Thermal Conductivity, W/m-K 120
39
Thermal Expansion, µm/m-K 27
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 130
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 12
3.9
Density, g/cm3 1.6
7.9
Embodied Carbon, kg CO2/kg material 24
1.8
Embodied Energy, MJ/kg 160
23
Embodied Water, L/kg 980
59

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
110
Resilience: Unit (Modulus of Resilience), kJ/m3 92
240 to 420
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 72
24
Strength to Weight: Axial, points 32
20 to 22
Strength to Weight: Bending, points 44
19 to 20
Thermal Diffusivity, mm2/s 76
11
Thermal Shock Resistance, points 11
16 to 18

Alloy Composition


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Aluminum (Al), % 1.6 to 2.6
0 to 0.040
Carbon (C), % 0
0.080 to 0.15
Chromium (Cr), % 0
2.0 to 2.5
Copper (Cu), % 0 to 0.010
0 to 0.3
Iron (Fe), % 0 to 0.0050
94.3 to 96.6
Magnesium (Mg), % 96.3 to 98.3
0
Manganese (Mn), % 0.1 to 0.7
0.4 to 0.8
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0 to 0.0020
0 to 0.3
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.1
0 to 0.5
Sulfur (S), % 0
0 to 0.010
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.010
0