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EN-MC95310 Magnesium vs. EN 1.4418 Stainless Steel

EN-MC95310 magnesium belongs to the magnesium alloys classification, while EN 1.4418 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 1.4418 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 2.2
16 to 20
Fatigue Strength, MPa 110
350 to 480
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
77
Shear Strength, MPa 160
530 to 620
Tensile Strength: Ultimate (UTS), MPa 280
860 to 1000
Tensile Strength: Yield (Proof), MPa 190
540 to 790

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Mechanical, °C 170
870
Melting Completion (Liquidus), °C 650
1450
Melting Onset (Solidus), °C 540
1400
Specific Heat Capacity, J/kg-K 960
480
Thermal Conductivity, W/m-K 51
15
Thermal Expansion, µm/m-K 25
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 50
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 34
13
Density, g/cm3 1.9
7.8
Embodied Carbon, kg CO2/kg material 29
2.8
Embodied Energy, MJ/kg 260
39
Embodied Water, L/kg 900
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
130 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 420
730 to 1590
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 61
25
Strength to Weight: Axial, points 40
31 to 36
Strength to Weight: Bending, points 49
26 to 28
Thermal Diffusivity, mm2/s 28
4.0
Thermal Shock Resistance, points 18
31 to 36

Alloy Composition


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Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0
15 to 17
Copper (Cu), % 0 to 0.030
0
Iron (Fe), % 0 to 0.010
73.2 to 80.2
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
Molybdenum (Mo), % 0
0.8 to 1.5
Nickel (Ni), % 0 to 0.0050
4.0 to 6.0
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.010
0 to 0.7
Sulfur (S), % 0
0 to 0.015
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