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EN-MC21210 Magnesium vs. S24000 Stainless Steel

EN-MC21210 magnesium belongs to the magnesium alloys classification, while S24000 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (8, 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-MC21210 magnesium and the bottom bar is S24000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 48
210
Elastic (Young's, Tensile) Modulus, GPa 44
200
Elongation at Break, % 14
39
Fatigue Strength, MPa 70
370
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
77
Shear Strength, MPa 110
530
Tensile Strength: Ultimate (UTS), MPa 190
770
Tensile Strength: Yield (Proof), MPa 90
430

Thermal Properties

Latent Heat of Fusion, J/g 350
280
Maximum Temperature: Mechanical, °C 100
910
Melting Completion (Liquidus), °C 600
1390
Melting Onset (Solidus), °C 570
1350
Specific Heat Capacity, J/kg-K 1000
480
Thermal Expansion, µm/m-K 27
17

Otherwise Unclassified Properties

Base Metal Price, % relative 12
12
Density, g/cm3 1.6
7.6
Embodied Carbon, kg CO2/kg material 24
2.7
Embodied Energy, MJ/kg 160
39
Embodied Water, L/kg 980
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
260
Resilience: Unit (Modulus of Resilience), kJ/m3 92
470
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 72
25
Strength to Weight: Axial, points 32
28
Strength to Weight: Bending, points 44
24
Thermal Shock Resistance, points 11
16

Alloy Composition


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Aluminum (Al), % 1.6 to 2.6
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 0 to 0.010
0
Iron (Fe), % 0 to 0.0050
61.5 to 69
Magnesium (Mg), % 96.3 to 98.3
0
Manganese (Mn), % 0.1 to 0.7
11.5 to 14.5
Nickel (Ni), % 0 to 0.0020
2.3 to 3.7
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0
0 to 0.060
Silicon (Si), % 0 to 0.1
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.010
0