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EN-MC65210 Magnesium vs. S34565 Stainless Steel

EN-MC65210 magnesium belongs to the magnesium alloys classification, while S34565 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, 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-MC65210 magnesium and the bottom bar is S34565 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
200
Elastic (Young's, Tensile) Modulus, GPa 44
210
Elongation at Break, % 2.8
39
Fatigue Strength, MPa 110
400
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
80
Shear Strength, MPa 150
610
Tensile Strength: Ultimate (UTS), MPa 270
900
Tensile Strength: Yield (Proof), MPa 200
470

Thermal Properties

Latent Heat of Fusion, J/g 340
310
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 610
1420
Melting Onset (Solidus), °C 540
1380
Specific Heat Capacity, J/kg-K 970
470
Thermal Conductivity, W/m-K 110
12
Thermal Expansion, µm/m-K 26
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 110
2.1

Otherwise Unclassified Properties

Density, g/cm3 2.0
7.9
Embodied Carbon, kg CO2/kg material 27
5.3
Embodied Energy, MJ/kg 220
73

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
300
Resilience: Unit (Modulus of Resilience), kJ/m3 450
540
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 59
25
Strength to Weight: Axial, points 38
32
Strength to Weight: Bending, points 47
26
Thermal Diffusivity, mm2/s 58
3.2
Thermal Shock Resistance, points 17
22

Alloy Composition


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Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
23 to 25
Copper (Cu), % 0 to 0.030
0
Iron (Fe), % 0 to 0.010
43.2 to 51.6
Magnesium (Mg), % 92.6 to 95.6
0
Manganese (Mn), % 0 to 0.15
5.0 to 7.0
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 0 to 0.0050
16 to 18
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0
0.4 to 0.6
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.010
0 to 1.0
Silver (Ag), % 2.0 to 3.0
0
Sulfur (S), % 0
0 to 0.010
Unspecified Rare Earths, % 2.0 to 3.0
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0