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EN 1.4376 Stainless Steel vs. EN-MC65220 Magnesium

EN 1.4376 stainless steel belongs to the iron alloys classification, while EN-MC65220 magnesium belongs to the magnesium alloys. There are 30 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 1.4376 stainless steel and the bottom bar is EN-MC65220 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
80
Elastic (Young's, Tensile) Modulus, GPa 200
44
Elongation at Break, % 45
2.2
Fatigue Strength, MPa 420
110
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
17
Shear Strength, MPa 530
150
Tensile Strength: Ultimate (UTS), MPa 750
270
Tensile Strength: Yield (Proof), MPa 450
200

Thermal Properties

Latent Heat of Fusion, J/g 290
340
Maximum Temperature: Mechanical, °C 930
160
Melting Completion (Liquidus), °C 1410
610
Melting Onset (Solidus), °C 1370
550
Specific Heat Capacity, J/kg-K 480
980
Thermal Conductivity, W/m-K 15
110
Thermal Expansion, µm/m-K 16
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
25
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
120

Otherwise Unclassified Properties

Base Metal Price, % relative 12
80
Density, g/cm3 7.7
1.9
Embodied Carbon, kg CO2/kg material 2.6
27
Embodied Energy, MJ/kg 37
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
5.5
Resilience: Unit (Modulus of Resilience), kJ/m3 520
450
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
62
Strength to Weight: Axial, points 27
40
Strength to Weight: Bending, points 24
49
Thermal Diffusivity, mm2/s 4.0
61
Thermal Shock Resistance, points 17
17

Alloy Composition

Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 17 to 20.5
0
Copper (Cu), % 0
0.050 to 0.1
Iron (Fe), % 65.5 to 76
0 to 0.010
Magnesium (Mg), % 0
93.8 to 96.8
Manganese (Mn), % 5.0 to 8.0
0 to 0.15
Nickel (Ni), % 2.0 to 4.5
0 to 0.0050
Nitrogen (N), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0 to 0.010
Silver (Ag), % 0
1.3 to 1.7
Sulfur (S), % 0 to 0.015
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