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EN-MC95310 Magnesium vs. EN 1.4123 Stainless Steel

EN-MC95310 magnesium belongs to the magnesium alloys classification, while EN 1.4123 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, 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 EN 1.4123 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85
220 to 250
Elastic (Young's, Tensile) Modulus, GPa 45
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
77
Tensile Strength: Ultimate (UTS), MPa 280
720 to 810

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Mechanical, °C 170
840
Melting Completion (Liquidus), °C 650
1450
Melting Onset (Solidus), °C 540
1410
Specific Heat Capacity, J/kg-K 960
480
Thermal Conductivity, W/m-K 51
23
Thermal Expansion, µm/m-K 25
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 50
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 34
10
Density, g/cm3 1.9
7.7
Embodied Carbon, kg CO2/kg material 29
4.2
Embodied Energy, MJ/kg 260
62
Embodied Water, L/kg 900
120

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 61
25
Strength to Weight: Axial, points 40
26 to 29
Strength to Weight: Bending, points 49
23 to 25
Thermal Diffusivity, mm2/s 28
6.3
Thermal Shock Resistance, points 18
26 to 29

Alloy Composition


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Carbon (C), % 0
0.35 to 0.5
Chromium (Cr), % 0
14 to 16.5
Copper (Cu), % 0 to 0.030
0
Iron (Fe), % 0 to 0.010
76.7 to 84.6
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 88.9 to 93.4
0
Manganese (Mn), % 0 to 0.15
0 to 1.0
Molybdenum (Mo), % 0
1.0 to 2.5
Nickel (Ni), % 0 to 0.0050
0 to 0.5
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0
0 to 0.040
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
Vanadium (V), % 0
0 to 1.5
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