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EN-MC32110 Magnesium vs. EN 1.4740 Stainless Steel

EN-MC32110 magnesium belongs to the magnesium alloys classification, while EN 1.4740 stainless steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (11, 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-MC32110 magnesium and the bottom bar is EN 1.4740 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
260
Elastic (Young's, Tensile) Modulus, GPa 49
200
Elongation at Break, % 2.2
22
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 19
77

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Maximum Temperature: Mechanical, °C 99
900
Melting Completion (Liquidus), °C 600
1420
Melting Onset (Solidus), °C 500
1370
Specific Heat Capacity, J/kg-K 950
490
Thermal Conductivity, W/m-K 120
18
Thermal Expansion, µm/m-K 26
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 13
9.5
Density, g/cm3 2.1
7.6
Embodied Carbon, kg CO2/kg material 22
2.3
Embodied Energy, MJ/kg 150
32
Embodied Water, L/kg 920
120

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 58
25
Thermal Diffusivity, mm2/s 58
4.8

Alloy Composition


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Aluminum (Al), % 0 to 0.2
0
Carbon (C), % 0
0.3 to 0.5
Chromium (Cr), % 0
16 to 19
Copper (Cu), % 2.4 to 3.0
0
Iron (Fe), % 0 to 0.050
75.4 to 82.7
Magnesium (Mg), % 89.3 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.010
0 to 1.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.2
1.0 to 2.5
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.010
0