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EN-MC32110 Magnesium vs. EN 1.4542 Stainless Steel

EN-MC32110 magnesium belongs to the magnesium alloys classification, while EN 1.4542 stainless steel belongs to the iron 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-MC32110 magnesium and the bottom bar is EN 1.4542 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 49
190
Elongation at Break, % 2.2
5.7 to 20
Fatigue Strength, MPa 80
370 to 640
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 19
76
Shear Strength, MPa 120
550 to 860
Tensile Strength: Ultimate (UTS), MPa 220
880 to 1470
Tensile Strength: Yield (Proof), MPa 140
580 to 1300

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Mechanical, °C 99
860
Melting Completion (Liquidus), °C 600
1430
Melting Onset (Solidus), °C 500
1380
Specific Heat Capacity, J/kg-K 950
470
Thermal Conductivity, W/m-K 120
16
Thermal Expansion, µm/m-K 26
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 13
13
Density, g/cm3 2.1
7.8
Embodied Carbon, kg CO2/kg material 22
2.7
Embodied Energy, MJ/kg 150
39
Embodied Water, L/kg 920
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
62 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 210
880 to 4360
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 58
25
Strength to Weight: Axial, points 29
31 to 52
Strength to Weight: Bending, points 38
26 to 37
Thermal Diffusivity, mm2/s 58
4.3
Thermal Shock Resistance, points 12
29 to 49

Alloy Composition


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Aluminum (Al), % 0 to 0.2
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
15 to 17
Copper (Cu), % 2.4 to 3.0
3.0 to 5.0
Iron (Fe), % 0 to 0.050
69.6 to 79
Magnesium (Mg), % 89.3 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.6
Nickel (Ni), % 0 to 0.010
3.0 to 5.0
Niobium (Nb), % 0
0 to 0.45
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.2
0 to 0.7
Sulfur (S), % 0
0 to 0.015
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.010
0