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EN-MC65220 Magnesium vs. AISI 414 Stainless Steel

EN-MC65220 magnesium belongs to the magnesium alloys classification, while AISI 414 stainless steel belongs to the iron alloys. There are 29 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-MC65220 magnesium and the bottom bar is AISI 414 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
190
Elongation at Break, % 2.2
17
Fatigue Strength, MPa 110
430 to 480
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
76
Shear Strength, MPa 150
550 to 590
Tensile Strength: Ultimate (UTS), MPa 270
900 to 960
Tensile Strength: Yield (Proof), MPa 200
700 to 790

Thermal Properties

Latent Heat of Fusion, J/g 340
280
Maximum Temperature: Mechanical, °C 160
750
Melting Completion (Liquidus), °C 610
1440
Melting Onset (Solidus), °C 550
1400
Specific Heat Capacity, J/kg-K 980
480
Thermal Conductivity, W/m-K 110
25
Thermal Expansion, µm/m-K 26
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 120
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 80
8.0
Density, g/cm3 1.9
7.8
Embodied Carbon, kg CO2/kg material 27
2.1
Embodied Energy, MJ/kg 210
29

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 450
1260 to 1590
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 62
25
Strength to Weight: Axial, points 40
32 to 34
Strength to Weight: Bending, points 49
27 to 28
Thermal Diffusivity, mm2/s 61
6.7
Thermal Shock Resistance, points 17
33 to 35

Alloy Composition


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Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
11.5 to 13.5
Copper (Cu), % 0.050 to 0.1
0
Iron (Fe), % 0 to 0.010
81.8 to 87.3
Magnesium (Mg), % 93.8 to 96.8
0
Manganese (Mn), % 0 to 0.15
0 to 1.0
Nickel (Ni), % 0 to 0.0050
1.3 to 2.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.010
0 to 1.0
Silver (Ag), % 1.3 to 1.7
0
Sulfur (S), % 0
0 to 0.030
Unspecified Rare Earths, % 1.5 to 3.0
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0