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EN-MC32110 Magnesium vs. S41041 Stainless Steel

EN-MC32110 magnesium belongs to the magnesium alloys classification, while S41041 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (4, 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 S41041 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
240
Elastic (Young's, Tensile) Modulus, GPa 49
190
Elongation at Break, % 2.2
17
Fatigue Strength, MPa 80
350
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 19
76
Shear Strength, MPa 120
560
Tensile Strength: Ultimate (UTS), MPa 220
910
Tensile Strength: Yield (Proof), MPa 140
580

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Maximum Temperature: Mechanical, °C 99
740
Melting Completion (Liquidus), °C 600
1450
Melting Onset (Solidus), °C 500
1410
Specific Heat Capacity, J/kg-K 950
480
Thermal Conductivity, W/m-K 120
29
Thermal Expansion, µm/m-K 26
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 140
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
8.5
Density, g/cm3 2.1
7.8
Embodied Carbon, kg CO2/kg material 22
2.2
Embodied Energy, MJ/kg 150
31
Embodied Water, L/kg 920
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
140
Resilience: Unit (Modulus of Resilience), kJ/m3 210
860
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 58
25
Strength to Weight: Axial, points 29
32
Strength to Weight: Bending, points 38
27
Thermal Diffusivity, mm2/s 58
7.8
Thermal Shock Resistance, points 12
33

Alloy Composition

Aluminum (Al), % 0 to 0.2
0 to 0.050
Carbon (C), % 0
0.13 to 0.18
Chromium (Cr), % 0
11.5 to 13
Copper (Cu), % 2.4 to 3.0
0
Iron (Fe), % 0 to 0.050
84.5 to 87.8
Magnesium (Mg), % 89.3 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0.4 to 0.6
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 0 to 0.010
0 to 0.5
Niobium (Nb), % 0
0.15 to 0.45
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.2
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.010
0