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EN 1.4606 Stainless Steel vs. EN-MC21210 Magnesium

EN 1.4606 stainless steel belongs to the iron alloys classification, while EN-MC21210 magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 1.4606 stainless steel and the bottom bar is EN-MC21210 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
44
Elongation at Break, % 23 to 39
14
Fatigue Strength, MPa 240 to 420
70
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
17
Shear Strength, MPa 410 to 640
110
Tensile Strength: Ultimate (UTS), MPa 600 to 1020
190
Tensile Strength: Yield (Proof), MPa 280 to 630
90

Thermal Properties

Latent Heat of Fusion, J/g 300
350
Maximum Temperature: Mechanical, °C 910
100
Melting Completion (Liquidus), °C 1430
600
Melting Onset (Solidus), °C 1380
570
Specific Heat Capacity, J/kg-K 470
1000
Thermal Conductivity, W/m-K 14
120
Thermal Expansion, µm/m-K 11
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
24
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
130

Otherwise Unclassified Properties

Base Metal Price, % relative 26
12
Density, g/cm3 7.9
1.6
Embodied Carbon, kg CO2/kg material 6.0
24
Embodied Energy, MJ/kg 87
160
Embodied Water, L/kg 170
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 200
22
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 1010
92
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
72
Strength to Weight: Axial, points 21 to 36
32
Strength to Weight: Bending, points 20 to 28
44
Thermal Diffusivity, mm2/s 3.7
76
Thermal Shock Resistance, points 21 to 35
11

Alloy Composition

Aluminum (Al), % 0 to 0.35
1.6 to 2.6
Boron (B), % 0.0010 to 0.010
0
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 13 to 16
0
Copper (Cu), % 0
0 to 0.010
Iron (Fe), % 49.2 to 59
0 to 0.0050
Magnesium (Mg), % 0
96.3 to 98.3
Manganese (Mn), % 1.0 to 2.0
0.1 to 0.7
Molybdenum (Mo), % 1.0 to 1.5
0
Nickel (Ni), % 24 to 27
0 to 0.0020
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 1.9 to 2.3
0
Vanadium (V), % 0.1 to 0.5
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.010