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EN-MC65210 Magnesium vs. S32520 Stainless Steel

EN-MC65210 magnesium belongs to the magnesium alloys classification, while S32520 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, 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 S32520 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
270
Elastic (Young's, Tensile) Modulus, GPa 44
200
Elongation at Break, % 2.8
28
Fatigue Strength, MPa 110
460
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 17
80
Shear Strength, MPa 150
560
Tensile Strength: Ultimate (UTS), MPa 270
860
Tensile Strength: Yield (Proof), MPa 200
630

Thermal Properties

Latent Heat of Fusion, J/g 340
300
Maximum Temperature: Mechanical, °C 170
1100
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
15
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 110
2.5

Otherwise Unclassified Properties

Density, g/cm3 2.0
7.8
Embodied Carbon, kg CO2/kg material 27
4.0
Embodied Energy, MJ/kg 220
55

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
220
Resilience: Unit (Modulus of Resilience), kJ/m3 450
960
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 59
25
Strength to Weight: Axial, points 38
31
Strength to Weight: Bending, points 47
26
Thermal Diffusivity, mm2/s 58
4.1
Thermal Shock Resistance, points 17
24

Alloy Composition


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Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 0 to 0.030
0.5 to 2.0
Iron (Fe), % 0 to 0.010
57.3 to 66.8
Magnesium (Mg), % 92.6 to 95.6
0
Manganese (Mn), % 0 to 0.15
0 to 1.5
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0 to 0.0050
5.5 to 8.0
Nitrogen (N), % 0
0.2 to 0.35
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.010
0 to 0.8
Silver (Ag), % 2.0 to 3.0
0
Sulfur (S), % 0
0 to 0.020
Unspecified Rare Earths, % 2.0 to 3.0
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0