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EN-MC21320 Magnesium vs. EN 1.4596 Stainless Steel

EN-MC21320 magnesium belongs to the magnesium alloys classification, while EN 1.4596 stainless steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (13, 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-MC21320 magnesium and the bottom bar is EN 1.4596 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 18
76
Tensile Strength: Ultimate (UTS), MPa 230
1030 to 1600

Thermal Properties

Latent Heat of Fusion, J/g 370
280
Maximum Temperature: Mechanical, °C 110
790
Melting Completion (Liquidus), °C 600
1450
Melting Onset (Solidus), °C 530
1410
Specific Heat Capacity, J/kg-K 1000
470
Thermal Expansion, µm/m-K 26
11

Otherwise Unclassified Properties

Base Metal Price, % relative 12
15
Density, g/cm3 1.6
7.9
Embodied Carbon, kg CO2/kg material 23
3.5
Embodied Energy, MJ/kg 160
48
Embodied Water, L/kg 980
130

Common Calculations

Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 72
25
Strength to Weight: Axial, points 38
36 to 56
Strength to Weight: Bending, points 50
29 to 39
Thermal Shock Resistance, points 13
35 to 54

Alloy Composition


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Aluminum (Al), % 3.5 to 5.0
0.8 to 1.1
Carbon (C), % 0
0 to 0.015
Chromium (Cr), % 0
11.5 to 12.5
Copper (Cu), % 0 to 0.010
0
Iron (Fe), % 0 to 0.0050
73.4 to 76.4
Magnesium (Mg), % 92.5 to 95.9
0
Manganese (Mn), % 0.1 to 0.7
0 to 0.1
Molybdenum (Mo), % 0
1.9 to 2.2
Nickel (Ni), % 0 to 0.0020
9.2 to 10.2
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0.5 to 1.5
0 to 0.1
Sulfur (S), % 0
0 to 0.0050
Titanium (Ti), % 0
0.28 to 0.4
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.010
0