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EN 1.7383 Steel vs. EN-MC65220 Magnesium

EN 1.7383 steel belongs to the iron alloys classification, while EN-MC65220 magnesium belongs to the magnesium alloys. There are 30 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 1.7383 steel and the bottom bar is EN-MC65220 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 180
80
Elastic (Young's, Tensile) Modulus, GPa 190
44
Elongation at Break, % 20 to 23
2.2
Fatigue Strength, MPa 210 to 270
110
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
17
Shear Strength, MPa 350 to 380
150
Tensile Strength: Ultimate (UTS), MPa 560 to 610
270
Tensile Strength: Yield (Proof), MPa 300 to 400
200

Thermal Properties

Latent Heat of Fusion, J/g 260
340
Maximum Temperature: Mechanical, °C 460
160
Melting Completion (Liquidus), °C 1470
610
Melting Onset (Solidus), °C 1430
550
Specific Heat Capacity, J/kg-K 470
980
Thermal Conductivity, W/m-K 39
110
Thermal Expansion, µm/m-K 13
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
25
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
120

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
80
Density, g/cm3 7.9
1.9
Embodied Carbon, kg CO2/kg material 1.8
27
Embodied Energy, MJ/kg 23
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
5.5
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 420
450
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
62
Strength to Weight: Axial, points 20 to 22
40
Strength to Weight: Bending, points 19 to 20
49
Thermal Diffusivity, mm2/s 11
61
Thermal Shock Resistance, points 16 to 18
17

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.080 to 0.15
0
Chromium (Cr), % 2.0 to 2.5
0
Copper (Cu), % 0 to 0.3
0.050 to 0.1
Iron (Fe), % 94.3 to 96.6
0 to 0.010
Magnesium (Mg), % 0
93.8 to 96.8
Manganese (Mn), % 0.4 to 0.8
0 to 0.15
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0 to 0.3
0 to 0.0050
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.5
0 to 0.010
Silver (Ag), % 0
1.3 to 1.7
Sulfur (S), % 0 to 0.010
0
Unspecified Rare Earths, % 0
1.5 to 3.0
Zinc (Zn), % 0
0 to 0.2
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.010