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WE43B Magnesium vs. ASTM B563 Pd-Ag-Cu

WE43B magnesium belongs to the magnesium alloys classification, while ASTM B563 Pd-Ag-Cu belongs to the otherwise unclassified metals. There are 19 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 WE43B magnesium and the bottom bar is ASTM B563 Pd-Ag-Cu.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
100
Elongation at Break, % 2.2
7.0 to 17
Poisson's Ratio 0.29
0.37
Shear Modulus, GPa 17
37
Shear Strength, MPa 140
470 to 690
Tensile Strength: Ultimate (UTS), MPa 250
760 to 1170

Thermal Properties

Latent Heat of Fusion, J/g 330
150
Melting Completion (Liquidus), °C 640
1180
Melting Onset (Solidus), °C 550
1030
Specific Heat Capacity, J/kg-K 960
260
Thermal Expansion, µm/m-K 27
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
5.6 to 6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 53
4.6 to 5.5

Otherwise Unclassified Properties

Density, g/cm3 1.9
11

Common Calculations

Stiffness to Weight: Axial, points 13
5.2
Stiffness to Weight: Bending, points 61
14
Strength to Weight: Axial, points 36
19 to 30
Strength to Weight: Bending, points 46
17 to 22
Thermal Shock Resistance, points 15
39 to 61

Alloy Composition


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Copper (Cu), % 0 to 0.020
15.5 to 16.5
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
0.8 to 1.2
Palladium (Pd), % 0
43 to 45
Platinum (Pt), % 0
0.8 to 1.2
Silver (Ag), % 0
37 to 39
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 0.4