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Grade N12MV Nickel vs. R30035 Cobalt

Grade N12MV nickel belongs to the nickel alloys classification, while R30035 cobalt belongs to the cobalt alloys. They have 46% of their average alloy composition in common. There are 24 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 grade N12MV nickel and the bottom bar is R30035 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
220 to 230
Elongation at Break, % 6.8
9.0 to 46
Fatigue Strength, MPa 130
170 to 740
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 84
84 to 89
Tensile Strength: Ultimate (UTS), MPa 600
900 to 1900
Tensile Strength: Yield (Proof), MPa 310
300 to 1650

Thermal Properties

Latent Heat of Fusion, J/g 320
320
Melting Completion (Liquidus), °C 1620
1440
Melting Onset (Solidus), °C 1570
1320
Specific Heat Capacity, J/kg-K 390
440
Thermal Expansion, µm/m-K 10
13

Otherwise Unclassified Properties

Base Metal Price, % relative 75
100
Density, g/cm3 9.2
8.7
Embodied Carbon, kg CO2/kg material 16
10
Embodied Energy, MJ/kg 200
140
Embodied Water, L/kg 260
410

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
160 to 320
Resilience: Unit (Modulus of Resilience), kJ/m3 220
210 to 5920
Stiffness to Weight: Axial, points 13
14 to 15
Stiffness to Weight: Bending, points 22
23 to 24
Strength to Weight: Axial, points 18
29 to 61
Strength to Weight: Bending, points 17
24 to 39
Thermal Shock Resistance, points 19
23 to 46

Alloy Composition

Boron (B), % 0
0 to 0.015
Carbon (C), % 0 to 0.12
0 to 0.025
Chromium (Cr), % 0 to 1.0
19 to 21
Cobalt (Co), % 0
29.1 to 39
Iron (Fe), % 4.0 to 6.0
0 to 1.0
Manganese (Mn), % 0 to 1.0
0 to 0.15
Molybdenum (Mo), % 26 to 30
9.0 to 10.5
Nickel (Ni), % 60.2 to 69.8
33 to 37
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.15
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0 to 1.0
Vanadium (V), % 0.2 to 0.6
0