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EN-MC35110 Magnesium vs. EN 1.4740 Stainless Steel

EN-MC35110 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-MC35110 magnesium and the bottom bar is EN 1.4740 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 63
260
Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 3.1
22
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 18
77

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Maximum Temperature: Mechanical, °C 140
900
Melting Completion (Liquidus), °C 600
1420
Melting Onset (Solidus), °C 520
1370
Specific Heat Capacity, J/kg-K 970
490
Thermal Conductivity, W/m-K 110
18
Thermal Expansion, µm/m-K 26
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 130
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 18
9.5
Density, g/cm3 1.9
7.6
Embodied Carbon, kg CO2/kg material 24
2.3
Embodied Energy, MJ/kg 170
32
Embodied Water, L/kg 940
120

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 63
25
Thermal Diffusivity, mm2/s 61
4.8

Alloy Composition


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Carbon (C), % 0
0.3 to 0.5
Chromium (Cr), % 0
16 to 19
Copper (Cu), % 0 to 0.030
0
Iron (Fe), % 0 to 0.010
75.4 to 82.7
Magnesium (Mg), % 92 to 95.4
0
Manganese (Mn), % 0 to 0.15
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.0050
0 to 1.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.010
1.0 to 2.5
Sulfur (S), % 0
0 to 0.030
Unspecified Rare Earths, % 0.75 to 1.8
0
Zinc (Zn), % 3.5 to 5.0
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0