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EN-MC95310 Magnesium vs. N08801 Stainless Steel

EN-MC95310 magnesium belongs to the magnesium alloys classification, while N08801 stainless steel belongs to the iron alloys. There are 30 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-MC95310 magnesium and the bottom bar is N08801 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 2.2
34
Fatigue Strength, MPa 110
260
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
77
Shear Strength, MPa 160
570
Tensile Strength: Ultimate (UTS), MPa 280
860
Tensile Strength: Yield (Proof), MPa 190
190

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Maximum Temperature: Mechanical, °C 170
1090
Melting Completion (Liquidus), °C 650
1390
Melting Onset (Solidus), °C 540
1360
Specific Heat Capacity, J/kg-K 960
480
Thermal Conductivity, W/m-K 51
12
Thermal Expansion, µm/m-K 25
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 50
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 34
30
Density, g/cm3 1.9
8.0
Embodied Carbon, kg CO2/kg material 29
5.5
Embodied Energy, MJ/kg 260
79
Embodied Water, L/kg 900
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
220
Resilience: Unit (Modulus of Resilience), kJ/m3 420
92
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 61
24
Strength to Weight: Axial, points 40
30
Strength to Weight: Bending, points 49
25
Thermal Diffusivity, mm2/s 28
3.3
Thermal Shock Resistance, points 18
20

Alloy Composition


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Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
19 to 22
Copper (Cu), % 0 to 0.030
0 to 0.5
Iron (Fe), % 0 to 0.010
39.5 to 50.3
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
Nickel (Ni), % 0 to 0.0050
30 to 34
Silicon (Si), % 0 to 0.010
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
0.75 to 1.5
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