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G-CoCr28 Cobalt vs. 60Pd-40Ag Alloy

G-CoCr28 cobalt belongs to the cobalt alloys classification, while 60Pd-40Ag alloy belongs to the otherwise unclassified metals. 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 G-CoCr28 cobalt and the bottom bar is 60Pd-40Ag alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
100
Elongation at Break, % 6.7
1.1 to 28
Poisson's Ratio 0.28
0.38
Shear Modulus, GPa 83
37
Tensile Strength: Ultimate (UTS), MPa 560
340 to 720

Thermal Properties

Latent Heat of Fusion, J/g 320
140
Melting Completion (Liquidus), °C 1330
1360
Melting Onset (Solidus), °C 1270
1310
Specific Heat Capacity, J/kg-K 470
240
Thermal Conductivity, W/m-K 8.5
29
Thermal Expansion, µm/m-K 14
15

Otherwise Unclassified Properties

Density, g/cm3 8.1
11

Common Calculations

Stiffness to Weight: Axial, points 15
4.9
Stiffness to Weight: Bending, points 24
14
Strength to Weight: Axial, points 19
8.4 to 18
Strength to Weight: Bending, points 19
9.6 to 16
Thermal Diffusivity, mm2/s 2.2
11
Thermal Shock Resistance, points 14
16 to 34

Alloy Composition

Carbon (C), % 0.050 to 0.25
0
Chromium (Cr), % 27 to 30
0
Cobalt (Co), % 48 to 52
0
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 9.7 to 24.5
0
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 4.0
0
Niobium (Nb), % 0 to 0.5
0
Palladium (Pd), % 0
59.5 to 60.9
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0.5 to 1.5
0
Silver (Ag), % 0
39.1 to 40.5
Sulfur (S), % 0 to 0.030
0
Residuals, % 0
0 to 0.3