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EN-MC65210 Magnesium vs. Grade FDSiCrV Steel

EN-MC65210 magnesium belongs to the magnesium alloys classification, while grade FDSiCrV steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, 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-MC65210 magnesium and the bottom bar is grade FDSiCrV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
630
Elastic (Young's, Tensile) Modulus, GPa 44
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
80
Tensile Strength: Ultimate (UTS), MPa 270
2100

Thermal Properties

Latent Heat of Fusion, J/g 340
270
Maximum Temperature: Mechanical, °C 170
420
Melting Completion (Liquidus), °C 610
1440
Melting Onset (Solidus), °C 540
1400
Specific Heat Capacity, J/kg-K 970
480
Thermal Conductivity, W/m-K 110
47
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 110
8.6

Otherwise Unclassified Properties

Density, g/cm3 2.0
7.7
Embodied Carbon, kg CO2/kg material 27
1.9
Embodied Energy, MJ/kg 220
26

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 59
25
Strength to Weight: Axial, points 38
75
Strength to Weight: Bending, points 47
47
Thermal Diffusivity, mm2/s 58
13
Thermal Shock Resistance, points 17
63

Alloy Composition


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Carbon (C), % 0
0.5 to 0.7
Chromium (Cr), % 0
0.5 to 1.0
Copper (Cu), % 0 to 0.030
0 to 0.12
Iron (Fe), % 0 to 0.010
96 to 97.8
Magnesium (Mg), % 92.6 to 95.6
0
Manganese (Mn), % 0 to 0.15
0.4 to 0.9
Nickel (Ni), % 0 to 0.0050
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.010
1.2 to 1.7
Silver (Ag), % 2.0 to 3.0
0
Sulfur (S), % 0
0 to 0.025
Unspecified Rare Earths, % 2.0 to 3.0
0
Vanadium (V), % 0
0.1 to 0.25
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0