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EN-MC95310 Magnesium vs. N08031 Stainless Steel

EN-MC95310 magnesium belongs to the magnesium alloys classification, while N08031 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, 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 N08031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
210
Elongation at Break, % 2.2
45
Fatigue Strength, MPa 110
290
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
81
Shear Strength, MPa 160
510
Tensile Strength: Ultimate (UTS), MPa 280
730
Tensile Strength: Yield (Proof), MPa 190
310

Thermal Properties

Latent Heat of Fusion, J/g 330
310
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 650
1440
Melting Onset (Solidus), °C 540
1390
Specific Heat Capacity, J/kg-K 960
460
Thermal Conductivity, W/m-K 51
12
Thermal Expansion, µm/m-K 25
18

Otherwise Unclassified Properties

Base Metal Price, % relative 34
39
Density, g/cm3 1.9
8.1
Embodied Carbon, kg CO2/kg material 29
7.1
Embodied Energy, MJ/kg 260
96
Embodied Water, L/kg 900
240

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
270
Resilience: Unit (Modulus of Resilience), kJ/m3 420
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 61
24
Strength to Weight: Axial, points 40
25
Strength to Weight: Bending, points 49
22
Thermal Diffusivity, mm2/s 28
3.1
Thermal Shock Resistance, points 18
14

Alloy Composition


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Carbon (C), % 0
0 to 0.015
Chromium (Cr), % 0
26 to 28
Copper (Cu), % 0 to 0.030
1.0 to 1.4
Iron (Fe), % 0 to 0.010
29 to 36.9
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 88.9 to 93.4
0
Manganese (Mn), % 0 to 0.15
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 0 to 0.0050
30 to 32
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.010
0 to 0.3
Sulfur (S), % 0
0 to 0.010
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