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EN-MC65220 Magnesium vs. EN 1.4474 Stainless Steel

EN-MC65220 magnesium belongs to the magnesium alloys classification, while EN 1.4474 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, 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 EN 1.4474 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
200
Elongation at Break, % 2.2
23
Fatigue Strength, MPa 110
320
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 17
80
Tensile Strength: Ultimate (UTS), MPa 270
670
Tensile Strength: Yield (Proof), MPa 200
480

Thermal Properties

Latent Heat of Fusion, J/g 340
300
Maximum Temperature: Mechanical, °C 160
1100
Melting Completion (Liquidus), °C 610
1430
Melting Onset (Solidus), °C 550
1390
Specific Heat Capacity, J/kg-K 980
480
Thermal Conductivity, W/m-K 110
17
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 120
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 80
17
Density, g/cm3 1.9
7.7
Embodied Carbon, kg CO2/kg material 27
3.4
Embodied Energy, MJ/kg 210
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
140
Resilience: Unit (Modulus of Resilience), kJ/m3 450
560
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 62
25
Strength to Weight: Axial, points 40
24
Strength to Weight: Bending, points 49
22
Thermal Diffusivity, mm2/s 61
4.6
Thermal Shock Resistance, points 17
18

Alloy Composition


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Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
25 to 27
Copper (Cu), % 0.050 to 0.1
0
Iron (Fe), % 0 to 0.010
61.2 to 69.1
Magnesium (Mg), % 93.8 to 96.8
0
Manganese (Mn), % 0 to 0.15
0 to 2.0
Molybdenum (Mo), % 0
1.3 to 2.0
Nickel (Ni), % 0 to 0.0050
4.5 to 6.5
Nitrogen (N), % 0
0.12 to 0.2
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.010
0 to 1.0
Silver (Ag), % 1.3 to 1.7
0
Sulfur (S), % 0
0 to 0.025
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