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EN-MC35110 Magnesium vs. S13800 Stainless Steel

EN-MC35110 magnesium belongs to the magnesium alloys classification, while S13800 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-MC35110 magnesium and the bottom bar is S13800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 63
290 to 480
Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 3.1
11 to 18
Fatigue Strength, MPa 110
410 to 870
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 18
77
Shear Strength, MPa 130
610 to 1030
Tensile Strength: Ultimate (UTS), MPa 230
980 to 1730
Tensile Strength: Yield (Proof), MPa 150
660 to 1580

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Mechanical, °C 140
810
Melting Completion (Liquidus), °C 600
1450
Melting Onset (Solidus), °C 520
1410
Specific Heat Capacity, J/kg-K 970
470
Thermal Conductivity, W/m-K 110
16
Thermal Expansion, µm/m-K 26
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 130
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 18
15
Density, g/cm3 1.9
7.9
Embodied Carbon, kg CO2/kg material 24
3.4
Embodied Energy, MJ/kg 170
46
Embodied Water, L/kg 940
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
150 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 260
1090 to 5490
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 63
25
Strength to Weight: Axial, points 34
35 to 61
Strength to Weight: Bending, points 44
28 to 41
Thermal Diffusivity, mm2/s 61
4.3
Thermal Shock Resistance, points 14
33 to 58

Alloy Composition

Aluminum (Al), % 0
0.9 to 1.4
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
12.3 to 13.2
Copper (Cu), % 0 to 0.030
0
Iron (Fe), % 0 to 0.010
73.6 to 77.3
Magnesium (Mg), % 92 to 95.4
0
Manganese (Mn), % 0 to 0.15
0 to 0.2
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0 to 0.0050
7.5 to 8.5
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.010
0 to 0.1
Sulfur (S), % 0
0 to 0.0080
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