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WE43B Magnesium vs. Commercially Pure Silver

WE43B 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 WE43B magnesium and the bottom bar is commercially pure silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
71
Elongation at Break, % 2.2
1.1 to 29
Poisson's Ratio 0.29
0.37
Shear Modulus, GPa 17
26
Shear Strength, MPa 140
120 to 190
Tensile Strength: Ultimate (UTS), MPa 250
190 to 340

Thermal Properties

Latent Heat of Fusion, J/g 330
110
Melting Completion (Liquidus), °C 640
960
Melting Onset (Solidus), °C 550
960
Specific Heat Capacity, J/kg-K 960
240
Thermal Conductivity, W/m-K 51
420
Thermal Expansion, µm/m-K 27
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
100
Electrical Conductivity: Equal Weight (Specific), % IACS 53
87

Otherwise Unclassified Properties

Density, g/cm3 1.9
10

Common Calculations

Stiffness to Weight: Axial, points 13
3.8
Stiffness to Weight: Bending, points 61
13
Strength to Weight: Axial, points 36
4.9 to 8.9
Strength to Weight: Bending, points 46
6.9 to 10
Thermal Diffusivity, mm2/s 28
170
Thermal Shock Resistance, points 15
9.5 to 17

Alloy Composition


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Copper (Cu), % 0 to 0.020
0
Iron (Fe), % 0 to 0.010
0
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 89.8 to 93.5
0
Manganese (Mn), % 0 to 0.030
0
Nickel (Ni), % 0 to 0.0050
0
Silver (Ag), % 0
99.9 to 100
Unspecified Rare Earths, % 2.4 to 4.4
0
Yttrium (Y), % 3.7 to 4.3
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0
0 to 0.1