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EN-MC35110 Magnesium vs. S42010 Stainless Steel

EN-MC35110 magnesium belongs to the magnesium alloys classification, while S42010 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-MC35110 magnesium and the bottom bar is S42010 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 3.1
18
Fatigue Strength, MPa 110
220
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 18
76
Shear Strength, MPa 130
370
Tensile Strength: Ultimate (UTS), MPa 230
590
Tensile Strength: Yield (Proof), MPa 150
350

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Mechanical, °C 140
800
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
29
Thermal Expansion, µm/m-K 26
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 130
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 18
8.5
Density, g/cm3 1.9
7.7
Embodied Carbon, kg CO2/kg material 24
2.2
Embodied Energy, MJ/kg 170
30
Embodied Water, L/kg 940
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
95
Resilience: Unit (Modulus of Resilience), kJ/m3 260
310
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 63
25
Strength to Weight: Axial, points 34
21
Strength to Weight: Bending, points 44
20
Thermal Diffusivity, mm2/s 61
7.9
Thermal Shock Resistance, points 14
21

Alloy Composition


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Carbon (C), % 0
0.15 to 0.3
Chromium (Cr), % 0
13.5 to 15
Copper (Cu), % 0 to 0.030
0
Iron (Fe), % 0 to 0.010
80.9 to 85.6
Magnesium (Mg), % 92 to 95.4
0
Manganese (Mn), % 0 to 0.15
0 to 1.0
Molybdenum (Mo), % 0
0.4 to 0.85
Nickel (Ni), % 0 to 0.0050
0.35 to 0.85
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.010
0 to 1.0
Sulfur (S), % 0
0 to 0.030
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