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R30075 Cobalt vs. N10675 Nickel

R30075 cobalt belongs to the cobalt alloys classification, while N10675 nickel belongs to the nickel alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is R30075 cobalt and the bottom bar is N10675 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210 to 250
220
Elongation at Break, % 12
47
Fatigue Strength, MPa 250 to 840
350
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 82 to 98
85
Tensile Strength: Ultimate (UTS), MPa 780 to 1280
860
Tensile Strength: Yield (Proof), MPa 480 to 840
400

Thermal Properties

Latent Heat of Fusion, J/g 320
320
Melting Completion (Liquidus), °C 1360
1420
Melting Onset (Solidus), °C 1290
1370
Specific Heat Capacity, J/kg-K 450
380
Thermal Conductivity, W/m-K 13
11
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
1.2

Otherwise Unclassified Properties

Density, g/cm3 8.4
9.3
Embodied Carbon, kg CO2/kg material 8.1
16
Embodied Energy, MJ/kg 110
210
Embodied Water, L/kg 530
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 84 to 140
330
Resilience: Unit (Modulus of Resilience), kJ/m3 560 to 1410
350
Stiffness to Weight: Axial, points 14 to 17
13
Stiffness to Weight: Bending, points 24 to 25
22
Strength to Weight: Axial, points 26 to 42
26
Strength to Weight: Bending, points 22 to 31
22
Thermal Diffusivity, mm2/s 3.5
3.1
Thermal Shock Resistance, points 21 to 29
26

Alloy Composition

Aluminum (Al), % 0 to 0.1
0 to 0.5
Boron (B), % 0 to 0.010
0
Carbon (C), % 0 to 0.35
0 to 0.010
Chromium (Cr), % 27 to 30
1.0 to 3.0
Cobalt (Co), % 58.7 to 68
0 to 3.0
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 0 to 0.75
1.0 to 3.0
Manganese (Mn), % 0 to 1.0
0 to 3.0
Molybdenum (Mo), % 5.0 to 7.0
27 to 32
Nickel (Ni), % 0 to 0.5
51.3 to 71
Niobium (Nb), % 0
0 to 0.2
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.010
0 to 0.010
Tantalum (Ta), % 0
0 to 0.2
Titanium (Ti), % 0 to 0.1
0 to 0.2
Tungsten (W), % 0 to 0.2
0 to 3.0
Vanadium (V), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.1