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ASTM B628 Ag-Cu vs. 60Pd-40Ag Alloy

Both ASTM B628 Ag-Cu and 60Pd-40Ag alloy are otherwise unclassified metals. They have a modest 40% of their average alloy composition in common, which, by itself, doesn't mean much. There are 19 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 B628 Ag-Cu and the bottom bar is 60Pd-40Ag alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
100
Elongation at Break, % 1.1 to 17
1.1 to 28
Poisson's Ratio 0.36
0.38
Shear Modulus, GPa 31
37
Shear Strength, MPa 210 to 430
220 to 350
Tensile Strength: Ultimate (UTS), MPa 350 to 760
340 to 720

Thermal Properties

Latent Heat of Fusion, J/g 140
140
Melting Completion (Liquidus), °C 780
1360
Melting Onset (Solidus), °C 780
1310
Specific Heat Capacity, J/kg-K 280
240
Thermal Expansion, µm/m-K 19
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 84
4.1
Electrical Conductivity: Equal Weight (Specific), % IACS 75
3.2

Otherwise Unclassified Properties

Density, g/cm3 10
11

Common Calculations

Stiffness to Weight: Axial, points 4.6
4.9
Stiffness to Weight: Bending, points 14
14
Strength to Weight: Axial, points 9.5 to 21
8.4 to 18
Strength to Weight: Bending, points 11 to 18
9.6 to 16
Thermal Shock Resistance, points 16 to 34
16 to 34

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Cadmium (Cd), % 0 to 0.050
0
Copper (Cu), % 26.6 to 29
0 to 0.1
Iron (Fe), % 0 to 0.050
0
Lead (Pb), % 0 to 0.030
0
Nickel (Ni), % 0 to 0.010
0
Palladium (Pd), % 0
59.5 to 60.9
Phosphorus (P), % 0 to 0.030
0
Silver (Ag), % 71 to 73
39.1 to 40.5
Zinc (Zn), % 0 to 0.060
0
Residuals, % 0
0 to 0.3

Comparable Variants