MakeItFrom.com
Menu (ESC)

R30605 Cobalt vs. N07750 Nickel

R30605 cobalt belongs to the cobalt alloys classification, while N07750 nickel belongs to the nickel alloys. They have a modest 28% of their average alloy composition in common, which, by itself, doesn't mean much. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is R30605 cobalt and the bottom bar is N07750 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 34
25
Fatigue Strength, MPa 260 to 590
520
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 81
73
Tensile Strength: Ultimate (UTS), MPa 1130 to 1900
1200
Tensile Strength: Yield (Proof), MPa 470 to 1600
820

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Melting Completion (Liquidus), °C 1410
1430
Melting Onset (Solidus), °C 1330
1400
Specific Heat Capacity, J/kg-K 410
460
Thermal Conductivity, W/m-K 9.6
13
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
1.5

Otherwise Unclassified Properties

Density, g/cm3 9.6
8.4
Embodied Carbon, kg CO2/kg material 9.8
10
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 450
260

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
23
Strength to Weight: Axial, points 33 to 55
40
Strength to Weight: Bending, points 25 to 36
30
Thermal Diffusivity, mm2/s 2.5
3.3
Thermal Shock Resistance, points 31 to 52
36

Alloy Composition

Aluminum (Al), % 0
0.4 to 1.0
Carbon (C), % 0.050 to 0.15
0 to 0.080
Chromium (Cr), % 19 to 21
14 to 17
Cobalt (Co), % 46.4 to 57
0 to 1.0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 0 to 3.0
5.0 to 9.0
Manganese (Mn), % 1.0 to 2.0
0 to 1.0
Nickel (Ni), % 9.0 to 11
70 to 77.7
Niobium (Nb), % 0
0.7 to 1.2
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
2.3 to 2.8
Tungsten (W), % 14 to 16
0