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EN-MC95310 Magnesium vs. S32050 Stainless Steel

EN-MC95310 magnesium belongs to the magnesium alloys classification, while S32050 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, 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-MC95310 magnesium and the bottom bar is S32050 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85
220
Elastic (Young's, Tensile) Modulus, GPa 45
210
Elongation at Break, % 2.2
46
Fatigue Strength, MPa 110
340
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
81
Shear Strength, MPa 160
540
Tensile Strength: Ultimate (UTS), MPa 280
770
Tensile Strength: Yield (Proof), MPa 190
370

Thermal Properties

Latent Heat of Fusion, J/g 330
310
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 650
1460
Melting Onset (Solidus), °C 540
1410
Specific Heat Capacity, J/kg-K 960
470
Thermal Conductivity, W/m-K 51
12
Thermal Expansion, µm/m-K 25
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 50
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 34
31
Density, g/cm3 1.9
8.0
Embodied Carbon, kg CO2/kg material 29
6.0
Embodied Energy, MJ/kg 260
81
Embodied Water, L/kg 900
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
290
Resilience: Unit (Modulus of Resilience), kJ/m3 420
330
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 61
25
Strength to Weight: Axial, points 40
27
Strength to Weight: Bending, points 49
23
Thermal Diffusivity, mm2/s 28
3.3
Thermal Shock Resistance, points 18
17

Alloy Composition


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Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
22 to 24
Copper (Cu), % 0 to 0.030
0 to 0.4
Iron (Fe), % 0 to 0.010
43.1 to 51.8
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 88.9 to 93.4
0
Manganese (Mn), % 0 to 0.15
0 to 1.5
Molybdenum (Mo), % 0
6.0 to 6.6
Nickel (Ni), % 0 to 0.0050
20 to 23
Nitrogen (N), % 0
0.21 to 0.32
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.010
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Unspecified Rare Earths, % 1.5 to 4.0
0
Yttrium (Y), % 4.8 to 5.5
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0