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ASTM B631 Class C vs. ASTM B563 Pd-Ag-Cu

Both ASTM B631 class C and ASTM B563 Pd-Ag-Cu are otherwise unclassified metals. There are 12 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is ASTM B631 class C and the bottom bar is ASTM B563 Pd-Ag-Cu.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180 to 190
100
Poisson's Ratio 0.32
0.37
Shear Modulus, GPa 66 to 71
37

Thermal Properties

Latent Heat of Fusion, J/g 140 to 150
150
Melting Completion (Liquidus), °C 2090 to 2230
1180
Specific Heat Capacity, J/kg-K 180
260
Thermal Expansion, µm/m-K 14
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 55 to 63
5.6 to 6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 36 to 43
4.6 to 5.5

Otherwise Unclassified Properties

Density, g/cm3 13 to 14
11

Common Calculations

Stiffness to Weight: Axial, points 7.4 to 7.6
5.2
Stiffness to Weight: Bending, points 14
14