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EN-MC65210 Magnesium vs. EN 1.4594 Stainless Steel

EN-MC65210 magnesium belongs to the magnesium alloys classification, while EN 1.4594 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, 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 EN 1.4594 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
200
Elongation at Break, % 2.8
11 to 17
Fatigue Strength, MPa 110
490 to 620
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
76
Shear Strength, MPa 150
620 to 700
Tensile Strength: Ultimate (UTS), MPa 270
1020 to 1170
Tensile Strength: Yield (Proof), MPa 200
810 to 1140

Thermal Properties

Latent Heat of Fusion, J/g 340
280
Maximum Temperature: Mechanical, °C 170
820
Melting Completion (Liquidus), °C 610
1450
Melting Onset (Solidus), °C 540
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 25
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 110
2.5

Otherwise Unclassified Properties

Density, g/cm3 2.0
7.9
Embodied Carbon, kg CO2/kg material 27
3.2
Embodied Energy, MJ/kg 220
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
110 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 450
1660 to 3320
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 59
25
Strength to Weight: Axial, points 38
36 to 41
Strength to Weight: Bending, points 47
29 to 31
Thermal Diffusivity, mm2/s 58
4.4
Thermal Shock Resistance, points 17
34 to 39

Alloy Composition


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Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
13 to 15
Copper (Cu), % 0 to 0.030
1.2 to 2.0
Iron (Fe), % 0 to 0.010
72.6 to 79.5
Magnesium (Mg), % 92.6 to 95.6
0
Manganese (Mn), % 0 to 0.15
0 to 1.0
Molybdenum (Mo), % 0
1.2 to 2.0
Nickel (Ni), % 0 to 0.0050
5.0 to 6.0
Niobium (Nb), % 0
0.15 to 0.6
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.010
0 to 0.7
Silver (Ag), % 2.0 to 3.0
0
Sulfur (S), % 0
0 to 0.015
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