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EN 1.3975 Stainless Steel vs. EN-MC65220 Magnesium

EN 1.3975 stainless steel belongs to the iron alloys classification, while EN-MC65220 magnesium belongs to the magnesium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, 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 1.3975 stainless steel and the bottom bar is EN-MC65220 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
80
Elastic (Young's, Tensile) Modulus, GPa 190
44
Elongation at Break, % 27
2.2
Fatigue Strength, MPa 230
110
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
17
Tensile Strength: Ultimate (UTS), MPa 660
270
Tensile Strength: Yield (Proof), MPa 320
200

Thermal Properties

Latent Heat of Fusion, J/g 340
340
Maximum Temperature: Mechanical, °C 910
160
Melting Completion (Liquidus), °C 1360
610
Melting Onset (Solidus), °C 1320
550
Specific Heat Capacity, J/kg-K 500
980
Thermal Expansion, µm/m-K 16
26

Otherwise Unclassified Properties

Base Metal Price, % relative 15
80
Density, g/cm3 7.5
1.9
Embodied Carbon, kg CO2/kg material 3.3
27
Embodied Energy, MJ/kg 47
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
5.5
Resilience: Unit (Modulus of Resilience), kJ/m3 270
450
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 26
62
Strength to Weight: Axial, points 24
40
Strength to Weight: Bending, points 22
49
Thermal Shock Resistance, points 15
17

Alloy Composition

Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 16 to 18
0
Copper (Cu), % 0
0.050 to 0.1
Iron (Fe), % 58.2 to 65.4
0 to 0.010
Magnesium (Mg), % 0
93.8 to 96.8
Manganese (Mn), % 7.0 to 9.0
0 to 0.15
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 8.0 to 9.0
0 to 0.0050
Nitrogen (N), % 0.080 to 0.18
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 3.5 to 4.5
0 to 0.010
Silver (Ag), % 0
1.3 to 1.7
Sulfur (S), % 0 to 0.030
0
Unspecified Rare Earths, % 0
1.5 to 3.0
Zinc (Zn), % 0
0 to 0.2
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.010