MakeItFrom.com
Menu (ESC)

G-CoCr28 Cobalt vs. ASTM B540 Palladium

G-CoCr28 cobalt belongs to the cobalt alloys classification, while ASTM B540 palladium belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is G-CoCr28 cobalt and the bottom bar is ASTM B540 palladium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
110
Elongation at Break, % 6.7
1.1 to 14
Fatigue Strength, MPa 130
350
Poisson's Ratio 0.28
0.38
Shear Modulus, GPa 83
39
Tensile Strength: Ultimate (UTS), MPa 560
830 to 1240
Tensile Strength: Yield (Proof), MPa 260
620 to 1000

Thermal Properties

Latent Heat of Fusion, J/g 320
140
Melting Completion (Liquidus), °C 1330
1220
Melting Onset (Solidus), °C 1270
1020
Specific Heat Capacity, J/kg-K 470
240
Thermal Expansion, µm/m-K 14
14

Otherwise Unclassified Properties

Density, g/cm3 8.1
13

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
13 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 160
1790 to 4660
Stiffness to Weight: Axial, points 15
4.7
Stiffness to Weight: Bending, points 24
12
Strength to Weight: Axial, points 19
18 to 27
Strength to Weight: Bending, points 19
15 to 20
Thermal Shock Resistance, points 14
41 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
13.5 to 14.5
Gold (Au), % 0
9.5 to 10.5
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
Niobium (Nb), % 0 to 0.5
0
Palladium (Pd), % 0
34 to 36
Phosphorus (P), % 0 to 0.040
0
Platinum (Pt), % 0
9.5 to 10.5
Silicon (Si), % 0.5 to 1.5
0
Silver (Ag), % 0
29 to 31
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0.8 to 1.2
Residuals, % 0
0 to 0.3