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EN-MC35110 Magnesium vs. N08810 Stainless Steel

EN-MC35110 magnesium belongs to the magnesium alloys classification, while N08810 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-MC35110 magnesium and the bottom bar is N08810 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 3.1
33
Fatigue Strength, MPa 110
160
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 18
77
Shear Strength, MPa 130
340
Tensile Strength: Ultimate (UTS), MPa 230
520
Tensile Strength: Yield (Proof), MPa 150
200

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Maximum Temperature: Mechanical, °C 140
1100
Melting Completion (Liquidus), °C 600
1400
Melting Onset (Solidus), °C 520
1350
Specific Heat Capacity, J/kg-K 970
480
Thermal Conductivity, W/m-K 110
12
Thermal Expansion, µm/m-K 26
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 130
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 18
30
Density, g/cm3 1.9
8.0
Embodied Carbon, kg CO2/kg material 24
5.3
Embodied Energy, MJ/kg 170
76
Embodied Water, L/kg 940
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
140
Resilience: Unit (Modulus of Resilience), kJ/m3 260
100
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 63
24
Strength to Weight: Axial, points 34
18
Strength to Weight: Bending, points 44
18
Thermal Diffusivity, mm2/s 61
3.0
Thermal Shock Resistance, points 14
13

Alloy Composition


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Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0
0.050 to 0.1
Chromium (Cr), % 0
19 to 23
Copper (Cu), % 0 to 0.030
0 to 0.75
Iron (Fe), % 0 to 0.010
39.5 to 50.7
Magnesium (Mg), % 92 to 95.4
0
Manganese (Mn), % 0 to 0.15
0 to 1.5
Nickel (Ni), % 0 to 0.0050
30 to 35
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.010
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6
Unspecified Rare Earths, % 0.75 to 1.8
0
Zinc (Zn), % 3.5 to 5.0
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0