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EN-MC95310 Magnesium vs. S21460 Stainless Steel

EN-MC95310 magnesium belongs to the magnesium alloys classification, while S21460 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, 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 S21460 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85
250
Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 2.2
46
Fatigue Strength, MPa 110
390
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
77
Shear Strength, MPa 160
580
Tensile Strength: Ultimate (UTS), MPa 280
830
Tensile Strength: Yield (Proof), MPa 190
430

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 170
920
Melting Completion (Liquidus), °C 650
1380
Melting Onset (Solidus), °C 540
1330
Specific Heat Capacity, J/kg-K 960
480
Thermal Expansion, µm/m-K 25
18

Otherwise Unclassified Properties

Base Metal Price, % relative 34
14
Density, g/cm3 1.9
7.6
Embodied Carbon, kg CO2/kg material 29
3.0
Embodied Energy, MJ/kg 260
43
Embodied Water, L/kg 900
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
320
Resilience: Unit (Modulus of Resilience), kJ/m3 420
460
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 61
25
Strength to Weight: Axial, points 40
30
Strength to Weight: Bending, points 49
26
Thermal Shock Resistance, points 18
17

Alloy Composition


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Carbon (C), % 0
0 to 0.12
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 0 to 0.030
0
Iron (Fe), % 0 to 0.010
57.3 to 63.7
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 88.9 to 93.4
0
Manganese (Mn), % 0 to 0.15
14 to 16
Nickel (Ni), % 0 to 0.0050
5.0 to 6.0
Nitrogen (N), % 0
0.35 to 0.5
Phosphorus (P), % 0
0 to 0.060
Silicon (Si), % 0 to 0.010
0 to 1.0
Sulfur (S), % 0
0 to 0.030
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