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EN-MC21210 Magnesium vs. EN 1.4612 Stainless Steel

EN-MC21210 magnesium belongs to the magnesium alloys classification, while EN 1.4612 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, 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-MC21210 magnesium and the bottom bar is EN 1.4612 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
190
Elongation at Break, % 14
11
Fatigue Strength, MPa 70
860 to 950
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
76
Shear Strength, MPa 110
1010 to 1110
Tensile Strength: Ultimate (UTS), MPa 190
1690 to 1850
Tensile Strength: Yield (Proof), MPa 90
1570 to 1730

Thermal Properties

Latent Heat of Fusion, J/g 350
280
Maximum Temperature: Mechanical, °C 100
790
Melting Completion (Liquidus), °C 600
1450
Melting Onset (Solidus), °C 570
1400
Specific Heat Capacity, J/kg-K 1000
480
Thermal Expansion, µm/m-K 27
11

Otherwise Unclassified Properties

Base Metal Price, % relative 12
16
Density, g/cm3 1.6
7.9
Embodied Carbon, kg CO2/kg material 24
3.6
Embodied Energy, MJ/kg 160
50
Embodied Water, L/kg 980
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
190 to 210
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 72
25
Strength to Weight: Axial, points 32
60 to 65
Strength to Weight: Bending, points 44
40 to 43
Thermal Shock Resistance, points 11
58 to 63

Alloy Composition


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Aluminum (Al), % 1.6 to 2.6
1.4 to 1.8
Carbon (C), % 0
0 to 0.015
Chromium (Cr), % 0
11 to 12.5
Copper (Cu), % 0 to 0.010
0
Iron (Fe), % 0 to 0.0050
71.5 to 75.5
Magnesium (Mg), % 96.3 to 98.3
0
Manganese (Mn), % 0.1 to 0.7
0 to 0.1
Molybdenum (Mo), % 0
1.8 to 2.3
Nickel (Ni), % 0 to 0.0020
10.2 to 11.3
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.1
0 to 0.1
Sulfur (S), % 0
0 to 0.0050
Titanium (Ti), % 0
0.2 to 0.5
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.010
0