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EN-MC32110 Magnesium vs. EN 1.4020 Stainless Steel

EN-MC32110 magnesium belongs to the magnesium alloys classification, while EN 1.4020 stainless steel belongs to the iron alloys. There are 27 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-MC32110 magnesium and the bottom bar is EN 1.4020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
190 to 340
Elastic (Young's, Tensile) Modulus, GPa 49
200
Elongation at Break, % 2.2
13 to 34
Fatigue Strength, MPa 80
340 to 540
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 19
77
Shear Strength, MPa 120
510 to 680
Tensile Strength: Ultimate (UTS), MPa 220
770 to 1130
Tensile Strength: Yield (Proof), MPa 140
430 to 950

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Mechanical, °C 99
890
Melting Completion (Liquidus), °C 600
1390
Melting Onset (Solidus), °C 500
1350
Specific Heat Capacity, J/kg-K 950
480
Thermal Expansion, µm/m-K 26
17

Otherwise Unclassified Properties

Base Metal Price, % relative 13
11
Density, g/cm3 2.1
7.6
Embodied Carbon, kg CO2/kg material 22
2.5
Embodied Energy, MJ/kg 150
37
Embodied Water, L/kg 920
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
140 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 210
460 to 2290
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 58
25
Strength to Weight: Axial, points 29
28 to 41
Strength to Weight: Bending, points 38
25 to 32
Thermal Shock Resistance, points 12
16 to 23

Alloy Composition


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Aluminum (Al), % 0 to 0.2
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
16.5 to 19
Copper (Cu), % 2.4 to 3.0
0
Iron (Fe), % 0 to 0.050
62.8 to 71.8
Magnesium (Mg), % 89.3 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
11 to 14
Nickel (Ni), % 0 to 0.010
0.5 to 2.5
Nitrogen (N), % 0
0.2 to 0.45
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.2
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.010
0