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ASTM B540 Palladium vs. ISO-WD32350 Magnesium

ASTM B540 palladium belongs to the otherwise unclassified metals classification, while ISO-WD32350 magnesium belongs to the magnesium alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, 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 ASTM B540 palladium and the bottom bar is ISO-WD32350 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
45
Elongation at Break, % 1.1 to 14
5.7 to 10
Fatigue Strength, MPa 350
120 to 130
Poisson's Ratio 0.38
0.29
Shear Modulus, GPa 39
18
Shear Strength, MPa 500 to 700
150 to 170
Tensile Strength: Ultimate (UTS), MPa 830 to 1240
250 to 290
Tensile Strength: Yield (Proof), MPa 620 to 1000
140 to 180

Thermal Properties

Latent Heat of Fusion, J/g 140
340
Melting Completion (Liquidus), °C 1220
600
Melting Onset (Solidus), °C 1020
560
Specific Heat Capacity, J/kg-K 240
990
Thermal Expansion, µm/m-K 14
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.9 to 5.5
25
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5 to 3.9
130

Otherwise Unclassified Properties

Density, g/cm3 13
1.7

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 100
14 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 1790 to 4660
210 to 380
Stiffness to Weight: Axial, points 4.7
15
Stiffness to Weight: Bending, points 12
68
Strength to Weight: Axial, points 18 to 27
39 to 46
Strength to Weight: Bending, points 15 to 20
50 to 55
Thermal Shock Resistance, points 41 to 61
16 to 18

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Copper (Cu), % 13.5 to 14.5
0 to 0.1
Gold (Au), % 9.5 to 10.5
0
Iron (Fe), % 0
0 to 0.060
Magnesium (Mg), % 0
95.7 to 97.7
Manganese (Mn), % 0
0.6 to 1.3
Nickel (Ni), % 0
0 to 0.0050
Palladium (Pd), % 34 to 36
0
Platinum (Pt), % 9.5 to 10.5
0
Silicon (Si), % 0
0 to 0.1
Silver (Ag), % 29 to 31
0
Zinc (Zn), % 0.8 to 1.2
1.8 to 2.3
Residuals, % 0
0 to 0.3