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EN 1.4011 Stainless Steel vs. EN-MC21110 Magnesium

EN 1.4011 stainless steel belongs to the iron alloys classification, while EN-MC21110 magnesium belongs to the magnesium 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 1.4011 stainless steel and the bottom bar is EN-MC21110 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
46
Elongation at Break, % 17
2.8 to 6.7
Fatigue Strength, MPa 310
75 to 78
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
18
Tensile Strength: Ultimate (UTS), MPa 700
200 to 270
Tensile Strength: Yield (Proof), MPa 510
100 to 120

Thermal Properties

Latent Heat of Fusion, J/g 270
350
Maximum Temperature: Mechanical, °C 750
130
Melting Completion (Liquidus), °C 1450
600
Melting Onset (Solidus), °C 1400
500
Specific Heat Capacity, J/kg-K 480
990
Thermal Conductivity, W/m-K 25
80
Thermal Expansion, µm/m-K 11
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
12
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
61

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
12
Density, g/cm3 7.8
1.7
Embodied Carbon, kg CO2/kg material 2.0
23
Embodied Energy, MJ/kg 28
160
Embodied Water, L/kg 100
990

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
4.9 to 14
Resilience: Unit (Modulus of Resilience), kJ/m3 660
120 to 150
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
69
Strength to Weight: Axial, points 25
33 to 44
Strength to Weight: Bending, points 23
45 to 54
Thermal Diffusivity, mm2/s 6.7
47
Thermal Shock Resistance, points 24
12 to 16

Alloy Composition

Aluminum (Al), % 0
7.0 to 8.7
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 11.5 to 13.5
0
Copper (Cu), % 0
0 to 0.030
Iron (Fe), % 82.8 to 88.5
0 to 0.0050
Magnesium (Mg), % 0
89.6 to 92.6
Manganese (Mn), % 0 to 1.0
0.1 to 0.35
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 1.0
0 to 0.0020
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
0 to 0.2
Sulfur (S), % 0 to 0.025
0
Zinc (Zn), % 0
0.35 to 1.0
Residuals, % 0
0 to 0.010