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ASTM B563 Pd-Ag-Cu vs. 70Ag-30Ni Alloy

Both ASTM B563 Pd-Ag-Cu and 70Ag-30Ni alloy are otherwise unclassified metals. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. There are 17 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ASTM B563 Pd-Ag-Cu and the bottom bar is 70Ag-30Ni alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Poisson's Ratio 0.37
0.35
Shear Modulus, GPa 37
39
Tensile Strength: Ultimate (UTS), MPa 760 to 1170
320 to 530

Thermal Properties

Latent Heat of Fusion, J/g 150
170
Melting Completion (Liquidus), °C 1180
960
Melting Onset (Solidus), °C 1030
960
Specific Heat Capacity, J/kg-K 260
300
Thermal Expansion, µm/m-K 14
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 5.6 to 6.7
69
Electrical Conductivity: Equal Weight (Specific), % IACS 4.6 to 5.5
62

Otherwise Unclassified Properties

Density, g/cm3 11
10

Common Calculations

Stiffness to Weight: Axial, points 5.2
5.8
Stiffness to Weight: Bending, points 14
16
Strength to Weight: Axial, points 19 to 30
8.8 to 15
Strength to Weight: Bending, points 17 to 22
10 to 15
Thermal Shock Resistance, points 39 to 61
13 to 21

Alloy Composition

Copper (Cu), % 15.5 to 16.5
0
Nickel (Ni), % 0.8 to 1.2
28.8 to 31
Palladium (Pd), % 43 to 45
0
Platinum (Pt), % 0.8 to 1.2
0
Silver (Ag), % 37 to 39
69 to 71
Residuals, % 0
0 to 0.2