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ASTM B540 Palladium vs. C90200 Bronze

ASTM B540 palladium belongs to the otherwise unclassified metals classification, while C90200 bronze belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is ASTM B540 palladium and the bottom bar is C90200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 1.1 to 14
30
Poisson's Ratio 0.38
0.34
Shear Modulus, GPa 39
41
Tensile Strength: Ultimate (UTS), MPa 830 to 1240
260
Tensile Strength: Yield (Proof), MPa 620 to 1000
110

Thermal Properties

Latent Heat of Fusion, J/g 140
200
Melting Completion (Liquidus), °C 1220
1050
Melting Onset (Solidus), °C 1020
880
Specific Heat Capacity, J/kg-K 240
370
Thermal Expansion, µm/m-K 14
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.9 to 5.5
13
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5 to 3.9
13

Otherwise Unclassified Properties

Density, g/cm3 13
8.8

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 100
63
Resilience: Unit (Modulus of Resilience), kJ/m3 1790 to 4660
55
Stiffness to Weight: Axial, points 4.7
7.0
Stiffness to Weight: Bending, points 12
18
Strength to Weight: Axial, points 18 to 27
8.3
Strength to Weight: Bending, points 15 to 20
10
Thermal Shock Resistance, points 41 to 61
9.5

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 13.5 to 14.5
91 to 94
Gold (Au), % 9.5 to 10.5
0
Iron (Fe), % 0
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Nickel (Ni), % 0
0 to 0.5
Palladium (Pd), % 34 to 36
0
Phosphorus (P), % 0
0 to 0.050
Platinum (Pt), % 9.5 to 10.5
0
Silicon (Si), % 0
0 to 0.0050
Silver (Ag), % 29 to 31
0
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
6.0 to 8.0
Zinc (Zn), % 0.8 to 1.2
0 to 0.5
Residuals, % 0
0 to 0.6