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EN-MC95310 Magnesium vs. S42035 Stainless Steel

EN-MC95310 magnesium belongs to the magnesium alloys classification, while S42035 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-MC95310 magnesium and the bottom bar is S42035 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85
160
Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 2.2
18
Fatigue Strength, MPa 110
260
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
77
Shear Strength, MPa 160
390
Tensile Strength: Ultimate (UTS), MPa 280
630
Tensile Strength: Yield (Proof), MPa 190
430

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Mechanical, °C 170
810
Melting Completion (Liquidus), °C 650
1450
Melting Onset (Solidus), °C 540
1400
Specific Heat Capacity, J/kg-K 960
480
Thermal Conductivity, W/m-K 51
27
Thermal Expansion, µm/m-K 25
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 50
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 34
9.5
Density, g/cm3 1.9
7.8
Embodied Carbon, kg CO2/kg material 29
2.4
Embodied Energy, MJ/kg 260
34
Embodied Water, L/kg 900
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
100
Resilience: Unit (Modulus of Resilience), kJ/m3 420
460
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 61
25
Strength to Weight: Axial, points 40
22
Strength to Weight: Bending, points 49
21
Thermal Diffusivity, mm2/s 28
7.2
Thermal Shock Resistance, points 18
22

Alloy Composition


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Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
13.5 to 15.5
Copper (Cu), % 0 to 0.030
0
Iron (Fe), % 0 to 0.010
78.1 to 85
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 88.9 to 93.4
0
Manganese (Mn), % 0 to 0.15
0 to 1.0
Molybdenum (Mo), % 0
0.2 to 1.2
Nickel (Ni), % 0 to 0.0050
1.0 to 2.5
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.010
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0
0.3 to 0.5
Unspecified Rare Earths, % 1.5 to 4.0
0
Yttrium (Y), % 4.8 to 5.5
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0