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G-CoCr28 Cobalt vs. ASTM B563 Pd-Ag-Cu

G-CoCr28 cobalt belongs to the cobalt alloys classification, while ASTM B563 Pd-Ag-Cu belongs to the otherwise unclassified metals. There are 16 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is G-CoCr28 cobalt and the bottom bar is ASTM B563 Pd-Ag-Cu.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
100
Elongation at Break, % 6.7
7.0 to 17
Poisson's Ratio 0.28
0.37
Shear Modulus, GPa 83
37
Tensile Strength: Ultimate (UTS), MPa 560
760 to 1170

Thermal Properties

Latent Heat of Fusion, J/g 320
150
Melting Completion (Liquidus), °C 1330
1180
Melting Onset (Solidus), °C 1270
1030
Specific Heat Capacity, J/kg-K 470
260
Thermal Expansion, µm/m-K 14
14

Otherwise Unclassified Properties

Density, g/cm3 8.1
11

Common Calculations

Stiffness to Weight: Axial, points 15
5.2
Stiffness to Weight: Bending, points 24
14
Strength to Weight: Axial, points 19
19 to 30
Strength to Weight: Bending, points 19
17 to 22
Thermal Shock Resistance, points 14
39 to 61

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
15.5 to 16.5
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
0.8 to 1.2
Niobium (Nb), % 0 to 0.5
0
Palladium (Pd), % 0
43 to 45
Phosphorus (P), % 0 to 0.040
0
Platinum (Pt), % 0
0.8 to 1.2
Silicon (Si), % 0.5 to 1.5
0
Silver (Ag), % 0
37 to 39
Sulfur (S), % 0 to 0.030
0
Residuals, % 0
0 to 0.4