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EN 1.6773 Steel vs. EN-MC65210 Magnesium

EN 1.6773 steel belongs to the iron alloys classification, while EN-MC65210 magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 1.6773 steel and the bottom bar is EN-MC65210 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 340
80
Elastic (Young's, Tensile) Modulus, GPa 190
44
Elongation at Break, % 11
2.8
Fatigue Strength, MPa 560
110
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
17
Shear Strength, MPa 670
150
Tensile Strength: Ultimate (UTS), MPa 1120
270
Tensile Strength: Yield (Proof), MPa 910
200

Thermal Properties

Latent Heat of Fusion, J/g 250
340
Maximum Temperature: Mechanical, °C 450
170
Melting Completion (Liquidus), °C 1460
610
Melting Onset (Solidus), °C 1420
540
Specific Heat Capacity, J/kg-K 470
970
Thermal Conductivity, W/m-K 46
110
Thermal Expansion, µm/m-K 13
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
25
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
110

Otherwise Unclassified Properties

Density, g/cm3 7.9
2.0
Embodied Carbon, kg CO2/kg material 1.9
27
Embodied Energy, MJ/kg 26
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
6.9
Resilience: Unit (Modulus of Resilience), kJ/m3 2210
450
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 24
59
Strength to Weight: Axial, points 40
38
Strength to Weight: Bending, points 30
47
Thermal Diffusivity, mm2/s 12
58
Thermal Shock Resistance, points 33
17

Alloy Composition

Carbon (C), % 0.32 to 0.39
0
Chromium (Cr), % 1.6 to 2.0
0
Copper (Cu), % 0
0 to 0.030
Iron (Fe), % 92 to 93.9
0 to 0.010
Magnesium (Mg), % 0
92.6 to 95.6
Manganese (Mn), % 0.3 to 0.6
0 to 0.15
Molybdenum (Mo), % 0.25 to 0.45
0
Nickel (Ni), % 3.6 to 4.1
0 to 0.0050
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.4
0 to 0.010
Silver (Ag), % 0
2.0 to 3.0
Sulfur (S), % 0 to 0.025
0
Unspecified Rare Earths, % 0
2.0 to 3.0
Zinc (Zn), % 0
0 to 0.2
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.010