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C64800 Bronze vs. ASTM B540 Palladium

C64800 bronze belongs to the copper alloys classification, while ASTM B540 palladium belongs to the otherwise unclassified metals. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C64800 bronze and the bottom bar is ASTM B540 palladium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 8.0
1.1 to 14
Poisson's Ratio 0.34
0.38
Shear Modulus, GPa 44
39
Shear Strength, MPa 380
500 to 700
Tensile Strength: Ultimate (UTS), MPa 640
830 to 1240
Tensile Strength: Yield (Proof), MPa 630
620 to 1000

Thermal Properties

Latent Heat of Fusion, J/g 220
140
Melting Completion (Liquidus), °C 1090
1220
Melting Onset (Solidus), °C 1030
1020
Specific Heat Capacity, J/kg-K 390
240
Thermal Expansion, µm/m-K 17
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 65
4.9 to 5.5
Electrical Conductivity: Equal Weight (Specific), % IACS 66
3.5 to 3.9

Otherwise Unclassified Properties

Density, g/cm3 8.9
13

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 51
13 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 1680
1790 to 4660
Stiffness to Weight: Axial, points 7.4
4.7
Stiffness to Weight: Bending, points 18
12
Strength to Weight: Axial, points 20
18 to 27
Strength to Weight: Bending, points 19
15 to 20
Thermal Shock Resistance, points 23
41 to 61

Alloy Composition

Chromium (Cr), % 0 to 0.090
0
Cobalt (Co), % 1.0 to 3.0
0
Copper (Cu), % 92.4 to 98.8
13.5 to 14.5
Gold (Au), % 0
9.5 to 10.5
Iron (Fe), % 0 to 1.0
0
Lead (Pb), % 0 to 0.050
0
Nickel (Ni), % 0 to 0.5
0
Palladium (Pd), % 0
34 to 36
Phosphorus (P), % 0 to 0.5
0
Platinum (Pt), % 0
9.5 to 10.5
Silicon (Si), % 0.2 to 1.0
0
Silver (Ag), % 0
29 to 31
Tin (Sn), % 0 to 0.5
0
Zinc (Zn), % 0 to 0.5
0.8 to 1.2
Residuals, % 0
0 to 0.3