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EN-MC32110 Magnesium vs. S32654 Stainless Steel

EN-MC32110 magnesium belongs to the magnesium alloys classification, while S32654 stainless steel belongs to the iron alloys. There are 31 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-MC32110 magnesium and the bottom bar is S32654 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
220
Elastic (Young's, Tensile) Modulus, GPa 49
210
Elongation at Break, % 2.2
45
Fatigue Strength, MPa 80
450
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 19
82
Shear Strength, MPa 120
590
Tensile Strength: Ultimate (UTS), MPa 220
850
Tensile Strength: Yield (Proof), MPa 140
490

Thermal Properties

Latent Heat of Fusion, J/g 330
310
Maximum Temperature: Mechanical, °C 99
1100
Melting Completion (Liquidus), °C 600
1450
Melting Onset (Solidus), °C 500
1410
Specific Heat Capacity, J/kg-K 950
460
Thermal Conductivity, W/m-K 120
11
Thermal Expansion, µm/m-K 26
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 13
34
Density, g/cm3 2.1
8.0
Embodied Carbon, kg CO2/kg material 22
6.4
Embodied Energy, MJ/kg 150
87
Embodied Water, L/kg 920
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
330
Resilience: Unit (Modulus of Resilience), kJ/m3 210
570
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 58
25
Strength to Weight: Axial, points 29
29
Strength to Weight: Bending, points 38
25
Thermal Diffusivity, mm2/s 58
2.9
Thermal Shock Resistance, points 12
19

Alloy Composition


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Aluminum (Al), % 0 to 0.2
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
24 to 25
Copper (Cu), % 2.4 to 3.0
0.3 to 0.6
Iron (Fe), % 0 to 0.050
38.3 to 45.3
Magnesium (Mg), % 89.3 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
2.0 to 4.0
Molybdenum (Mo), % 0
7.0 to 8.0
Nickel (Ni), % 0 to 0.010
21 to 23
Nitrogen (N), % 0
0.45 to 0.55
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.2
0 to 0.5
Sulfur (S), % 0
0 to 0.0050
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.010
0