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EN-MC21210 Magnesium vs. S30600 Stainless Steel

EN-MC21210 magnesium belongs to the magnesium alloys classification, while S30600 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-MC21210 magnesium and the bottom bar is S30600 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 48
180
Elastic (Young's, Tensile) Modulus, GPa 44
190
Elongation at Break, % 14
45
Fatigue Strength, MPa 70
250
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
76
Shear Strength, MPa 110
430
Tensile Strength: Ultimate (UTS), MPa 190
610
Tensile Strength: Yield (Proof), MPa 90
270

Thermal Properties

Latent Heat of Fusion, J/g 350
350
Maximum Temperature: Mechanical, °C 100
950
Melting Completion (Liquidus), °C 600
1380
Melting Onset (Solidus), °C 570
1330
Specific Heat Capacity, J/kg-K 1000
490
Thermal Conductivity, W/m-K 120
14
Thermal Expansion, µm/m-K 27
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 130
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 12
19
Density, g/cm3 1.6
7.6
Embodied Carbon, kg CO2/kg material 24
3.6
Embodied Energy, MJ/kg 160
51
Embodied Water, L/kg 980
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
220
Resilience: Unit (Modulus of Resilience), kJ/m3 92
190
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 72
25
Strength to Weight: Axial, points 32
22
Strength to Weight: Bending, points 44
21
Thermal Diffusivity, mm2/s 76
3.7
Thermal Shock Resistance, points 11
14

Alloy Composition


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Aluminum (Al), % 1.6 to 2.6
0
Carbon (C), % 0
0 to 0.018
Chromium (Cr), % 0
17 to 18.5
Copper (Cu), % 0 to 0.010
0 to 0.5
Iron (Fe), % 0 to 0.0050
58.9 to 65.3
Magnesium (Mg), % 96.3 to 98.3
0
Manganese (Mn), % 0.1 to 0.7
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 0 to 0.0020
14 to 15.5
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.1
3.7 to 4.3
Sulfur (S), % 0
0 to 0.020
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.010
0