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EN-MC32110 Magnesium vs. S28200 Stainless Steel

EN-MC32110 magnesium belongs to the magnesium alloys classification, while S28200 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, 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 S28200 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
260
Elastic (Young's, Tensile) Modulus, GPa 49
200
Elongation at Break, % 2.2
45
Fatigue Strength, MPa 80
430
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 19
77
Shear Strength, MPa 120
610
Tensile Strength: Ultimate (UTS), MPa 220
870
Tensile Strength: Yield (Proof), MPa 140
460

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 99
900
Melting Completion (Liquidus), °C 600
1380
Melting Onset (Solidus), °C 500
1330
Specific Heat Capacity, J/kg-K 950
480
Thermal Expansion, µm/m-K 26
18

Otherwise Unclassified Properties

Base Metal Price, % relative 13
12
Density, g/cm3 2.1
7.6
Embodied Carbon, kg CO2/kg material 22
2.8
Embodied Energy, MJ/kg 150
41
Embodied Water, L/kg 920
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
330
Resilience: Unit (Modulus of Resilience), kJ/m3 210
540
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 58
26
Strength to Weight: Axial, points 29
32
Strength to Weight: Bending, points 38
27
Thermal Shock Resistance, points 12
17

Alloy Composition


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Aluminum (Al), % 0 to 0.2
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 2.4 to 3.0
0.75 to 1.3
Iron (Fe), % 0 to 0.050
57.7 to 64.1
Magnesium (Mg), % 89.3 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
17 to 19
Molybdenum (Mo), % 0
0.75 to 1.3
Nickel (Ni), % 0 to 0.010
0
Nitrogen (N), % 0
0.4 to 0.6
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.2
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.010
0