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EN-MC21220 Magnesium vs. Commercially Pure Silver

EN-MC21220 magnesium belongs to the magnesium alloys classification, while commercially pure silver belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (10, 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-MC21220 magnesium and the bottom bar is commercially pure silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
71
Elongation at Break, % 11
1.1 to 29
Poisson's Ratio 0.29
0.37
Shear Modulus, GPa 17
26
Shear Strength, MPa 120
120 to 190
Tensile Strength: Ultimate (UTS), MPa 210
190 to 340

Thermal Properties

Latent Heat of Fusion, J/g 350
110
Melting Completion (Liquidus), °C 600
960
Melting Onset (Solidus), °C 540
960
Specific Heat Capacity, J/kg-K 1000
240
Thermal Conductivity, W/m-K 65
420
Thermal Expansion, µm/m-K 27
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
100
Electrical Conductivity: Equal Weight (Specific), % IACS 87
87

Otherwise Unclassified Properties

Density, g/cm3 1.7
10

Common Calculations

Stiffness to Weight: Axial, points 15
3.8
Stiffness to Weight: Bending, points 71
13
Strength to Weight: Axial, points 34
4.9 to 8.9
Strength to Weight: Bending, points 46
6.9 to 10
Thermal Diffusivity, mm2/s 39
170
Thermal Shock Resistance, points 12
9.5 to 17

Alloy Composition


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Aluminum (Al), % 4.4 to 5.5
0
Copper (Cu), % 0 to 0.010
0
Iron (Fe), % 0 to 0.0050
0
Magnesium (Mg), % 93.5 to 95.5
0
Manganese (Mn), % 0.1 to 0.6
0
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0 to 0.1
0
Silver (Ag), % 0
99.9 to 100
Zinc (Zn), % 0 to 0.3
0
Residuals, % 0 to 0.010
0 to 0.1