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EN-MC21320 Magnesium vs. K93050 Alloy

EN-MC21320 magnesium belongs to the magnesium alloys classification, while K93050 alloy belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (12, 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 K93050 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
190
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 18
72
Tensile Strength: Ultimate (UTS), MPa 230
500 to 680

Thermal Properties

Latent Heat of Fusion, J/g 370
270
Melting Completion (Liquidus), °C 600
1430
Melting Onset (Solidus), °C 530
1380
Specific Heat Capacity, J/kg-K 1000
460
Thermal Expansion, µm/m-K 26
12

Otherwise Unclassified Properties

Base Metal Price, % relative 12
26
Density, g/cm3 1.6
8.2
Embodied Carbon, kg CO2/kg material 23
4.7
Embodied Energy, MJ/kg 160
65
Embodied Water, L/kg 980
120

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 72
23
Strength to Weight: Axial, points 38
17 to 23
Strength to Weight: Bending, points 50
17 to 21
Thermal Shock Resistance, points 13
16 to 21

Alloy Composition


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Aluminum (Al), % 3.5 to 5.0
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
0 to 0.25
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0 to 0.010
0
Iron (Fe), % 0 to 0.0050
61.4 to 63.9
Magnesium (Mg), % 92.5 to 95.9
0
Manganese (Mn), % 0.1 to 0.7
0 to 1.0
Nickel (Ni), % 0 to 0.0020
36
Phosphorus (P), % 0
0 to 0.020
Selenium (Se), % 0
0.15 to 0.3
Silicon (Si), % 0.5 to 1.5
0 to 0.35
Sulfur (S), % 0
0 to 0.020
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.010
0