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60Pd-40Ag Alloy vs. R30816 Cobalt

60Pd-40Ag alloy belongs to the otherwise unclassified metals classification, while R30816 cobalt belongs to the cobalt alloys. There are 18 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 60Pd-40Ag alloy and the bottom bar is R30816 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
210
Elongation at Break, % 1.1 to 28
23
Poisson's Ratio 0.38
0.3
Shear Modulus, GPa 37
81
Tensile Strength: Ultimate (UTS), MPa 340 to 720
1020

Thermal Properties

Latent Heat of Fusion, J/g 140
300
Melting Completion (Liquidus), °C 1360
1540
Melting Onset (Solidus), °C 1310
1460
Specific Heat Capacity, J/kg-K 240
420
Thermal Conductivity, W/m-K 29
13
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Density, g/cm3 11
9.1

Common Calculations

Stiffness to Weight: Axial, points 4.9
13
Stiffness to Weight: Bending, points 14
22
Strength to Weight: Axial, points 8.4 to 18
31
Strength to Weight: Bending, points 9.6 to 16
25
Thermal Diffusivity, mm2/s 11
3.3
Thermal Shock Resistance, points 16 to 34
28

Alloy Composition

Carbon (C), % 0
0.32 to 0.42
Chromium (Cr), % 0
19 to 21
Cobalt (Co), % 0
40 to 49.8
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0
0 to 5.0
Manganese (Mn), % 0
1.0 to 2.0
Molybdenum (Mo), % 0
3.5 to 4.5
Nickel (Ni), % 0
19 to 21
Niobium (Nb), % 0
3.5 to 4.5
Palladium (Pd), % 59.5 to 60.9
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 39.1 to 40.5
0
Sulfur (S), % 0
0 to 0.030
Tantalum (Ta), % 0
3.5 to 4.5
Tungsten (W), % 0
3.5 to 4.5
Residuals, % 0 to 0.3
0