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EN-MC65210 Magnesium vs. EN 1.4123 Stainless Steel

EN-MC65210 magnesium belongs to the magnesium alloys classification, while EN 1.4123 stainless steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (10, 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-MC65210 magnesium and the bottom bar is EN 1.4123 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
220 to 250
Elastic (Young's, Tensile) Modulus, GPa 44
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
77
Tensile Strength: Ultimate (UTS), MPa 270
720 to 810

Thermal Properties

Latent Heat of Fusion, J/g 340
280
Maximum Temperature: Mechanical, °C 170
840
Melting Completion (Liquidus), °C 610
1450
Melting Onset (Solidus), °C 540
1410
Specific Heat Capacity, J/kg-K 970
480
Thermal Conductivity, W/m-K 110
23
Thermal Expansion, µm/m-K 26
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 110
2.8

Otherwise Unclassified Properties

Density, g/cm3 2.0
7.7
Embodied Carbon, kg CO2/kg material 27
4.2
Embodied Energy, MJ/kg 220
62

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 59
25
Strength to Weight: Axial, points 38
26 to 29
Strength to Weight: Bending, points 47
23 to 25
Thermal Diffusivity, mm2/s 58
6.3
Thermal Shock Resistance, points 17
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
Magnesium (Mg), % 92.6 to 95.6
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
Silver (Ag), % 2.0 to 3.0
0
Sulfur (S), % 0
0 to 0.030
Unspecified Rare Earths, % 2.0 to 3.0
0
Vanadium (V), % 0
0 to 1.5
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0