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EN-MC95310 Magnesium vs. EN 1.4923 Stainless Steel

EN-MC95310 magnesium belongs to the magnesium alloys classification, while EN 1.4923 stainless steel belongs to the iron alloys. There are 30 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-MC95310 magnesium and the bottom bar is EN 1.4923 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
190
Elongation at Break, % 2.2
12 to 21
Fatigue Strength, MPa 110
300 to 440
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
76
Shear Strength, MPa 160
540 to 590
Tensile Strength: Ultimate (UTS), MPa 280
870 to 980
Tensile Strength: Yield (Proof), MPa 190
470 to 780

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Maximum Temperature: Mechanical, °C 170
740
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
24
Thermal Expansion, µm/m-K 25
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 50
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 34
8.0
Density, g/cm3 1.9
7.8
Embodied Carbon, kg CO2/kg material 29
2.9
Embodied Energy, MJ/kg 260
41
Embodied Water, L/kg 900
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
110 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 420
570 to 1580
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 61
25
Strength to Weight: Axial, points 40
31 to 35
Strength to Weight: Bending, points 49
26 to 28
Thermal Diffusivity, mm2/s 28
6.5
Thermal Shock Resistance, points 18
30 to 34

Alloy Composition


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Carbon (C), % 0
0.18 to 0.24
Chromium (Cr), % 0
11 to 12.5
Copper (Cu), % 0 to 0.030
0
Iron (Fe), % 0 to 0.010
83.5 to 87.1
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 88.9 to 93.4
0
Manganese (Mn), % 0 to 0.15
0.4 to 0.9
Molybdenum (Mo), % 0
0.8 to 1.2
Nickel (Ni), % 0 to 0.0050
0.3 to 0.8
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.010
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Unspecified Rare Earths, % 1.5 to 4.0
0
Vanadium (V), % 0
0.25 to 0.35
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