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EN-MC35110 Magnesium vs. EN 1.4421 Stainless Steel

EN-MC35110 magnesium belongs to the magnesium alloys classification, while EN 1.4421 stainless steel belongs to the iron 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-MC35110 magnesium and the bottom bar is EN 1.4421 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 3.1
11 to 17
Fatigue Strength, MPa 110
380 to 520
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 18
77
Tensile Strength: Ultimate (UTS), MPa 230
880 to 1100
Tensile Strength: Yield (Proof), MPa 150
620 to 950

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Mechanical, °C 140
870
Melting Completion (Liquidus), °C 600
1440
Melting Onset (Solidus), °C 520
1400
Specific Heat Capacity, J/kg-K 970
480
Thermal Conductivity, W/m-K 110
16
Thermal Expansion, µm/m-K 26
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 130
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 18
12
Density, g/cm3 1.9
7.8
Embodied Carbon, kg CO2/kg material 24
2.6
Embodied Energy, MJ/kg 170
36
Embodied Water, L/kg 940
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
120 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 260
960 to 2270
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 63
25
Strength to Weight: Axial, points 34
31 to 39
Strength to Weight: Bending, points 44
26 to 30
Thermal Diffusivity, mm2/s 61
4.4
Thermal Shock Resistance, points 14
31 to 39

Alloy Composition


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Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0
15.5 to 17.5
Copper (Cu), % 0 to 0.030
0
Iron (Fe), % 0 to 0.010
74.4 to 80.5
Magnesium (Mg), % 92 to 95.4
0
Manganese (Mn), % 0 to 0.15
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.7
Nickel (Ni), % 0 to 0.0050
4.0 to 5.5
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.010
0 to 0.8
Sulfur (S), % 0
0 to 0.020
Unspecified Rare Earths, % 0.75 to 1.8
0
Zinc (Zn), % 3.5 to 5.0
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0