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R30016 Cobalt vs. Grade M35-1 Nickel

R30016 cobalt belongs to the cobalt alloys classification, while grade M35-1 nickel belongs to the nickel alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is R30016 cobalt and the bottom bar is grade M35-1 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
160
Elongation at Break, % 8.4
28
Fatigue Strength, MPa 290
130
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 85
62
Tensile Strength: Ultimate (UTS), MPa 1010
500
Tensile Strength: Yield (Proof), MPa 580
190

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Melting Completion (Liquidus), °C 1360
1280
Melting Onset (Solidus), °C 1270
1240
Specific Heat Capacity, J/kg-K 450
430
Thermal Conductivity, W/m-K 15
22
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
3.4

Otherwise Unclassified Properties

Density, g/cm3 8.5
8.8
Embodied Carbon, kg CO2/kg material 7.7
8.2
Embodied Energy, MJ/kg 110
120
Embodied Water, L/kg 500
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 72
110
Resilience: Unit (Modulus of Resilience), kJ/m3 770
120
Stiffness to Weight: Axial, points 14
10
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 33
16
Strength to Weight: Bending, points 26
16
Thermal Diffusivity, mm2/s 3.9
5.7
Thermal Shock Resistance, points 24
17

Alloy Composition

Carbon (C), % 0.9 to 1.4
0 to 0.35
Chromium (Cr), % 28 to 32
0
Cobalt (Co), % 49.6 to 66.9
0
Copper (Cu), % 0
26 to 33
Iron (Fe), % 0 to 3.0
0 to 3.5
Manganese (Mn), % 0.5 to 2.0
0 to 1.5
Molybdenum (Mo), % 0 to 1.5
0
Nickel (Ni), % 0 to 3.0
59.8 to 74
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0.2 to 2.0
0 to 1.3
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 3.5 to 5.5
0