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ASTM B540 Palladium vs. M1A Magnesium

ASTM B540 palladium belongs to the otherwise unclassified metals classification, while M1A 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 M1A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
45
Elongation at Break, % 1.1 to 14
5.5
Fatigue Strength, MPa 350
88
Poisson's Ratio 0.38
0.29
Shear Modulus, GPa 39
18
Shear Strength, MPa 500 to 700
120
Tensile Strength: Ultimate (UTS), MPa 830 to 1240
230
Tensile Strength: Yield (Proof), MPa 620 to 1000
130

Thermal Properties

Latent Heat of Fusion, J/g 140
350
Melting Completion (Liquidus), °C 1220
610
Melting Onset (Solidus), °C 1020
580
Specific Heat Capacity, J/kg-K 240
990
Thermal Expansion, µm/m-K 14
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.9 to 5.5
35
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5 to 3.9
190

Otherwise Unclassified Properties

Density, g/cm3 13
1.7

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 100
11
Resilience: Unit (Modulus of Resilience), kJ/m3 1790 to 4660
180
Stiffness to Weight: Axial, points 4.7
15
Stiffness to Weight: Bending, points 12
71
Strength to Weight: Axial, points 18 to 27
38
Strength to Weight: Bending, points 15 to 20
49
Thermal Shock Resistance, points 41 to 61
13

Alloy Composition

Calcium (Ca), % 0
0 to 0.3
Copper (Cu), % 13.5 to 14.5
0 to 0.050
Gold (Au), % 9.5 to 10.5
0
Magnesium (Mg), % 0
97.2 to 98.8
Manganese (Mn), % 0
1.2 to 2.0
Nickel (Ni), % 0
0 to 0.010
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
0
Residuals, % 0
0 to 0.3