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EN-MC32110 Magnesium vs. S40910 Stainless Steel

EN-MC32110 magnesium belongs to the magnesium alloys classification, while S40910 stainless steel belongs to the iron alloys. There are 31 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 S40910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
160
Elastic (Young's, Tensile) Modulus, GPa 49
190
Elongation at Break, % 2.2
23
Fatigue Strength, MPa 80
130
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 19
75
Shear Strength, MPa 120
270
Tensile Strength: Ultimate (UTS), MPa 220
430
Tensile Strength: Yield (Proof), MPa 140
190

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Maximum Temperature: Mechanical, °C 99
710
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
26
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
7.0
Density, g/cm3 2.1
7.8
Embodied Carbon, kg CO2/kg material 22
2.0
Embodied Energy, MJ/kg 150
28
Embodied Water, L/kg 920
94

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
80
Resilience: Unit (Modulus of Resilience), kJ/m3 210
94
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 58
25
Strength to Weight: Axial, points 29
16
Strength to Weight: Bending, points 38
16
Thermal Diffusivity, mm2/s 58
6.9
Thermal Shock Resistance, points 12
16

Alloy Composition


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Aluminum (Al), % 0 to 0.2
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
10.5 to 11.7
Copper (Cu), % 2.4 to 3.0
0
Iron (Fe), % 0 to 0.050
85 to 89.5
Magnesium (Mg), % 89.3 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0 to 1.0
Nickel (Ni), % 0 to 0.010
0 to 0.5
Niobium (Nb), % 0
0 to 0.17
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.2
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0
0 to 0.5
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.010
0