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EN 2.4951 Nickel vs. R30008 Cobalt

EN 2.4951 nickel belongs to the nickel alloys classification, while R30008 cobalt belongs to the cobalt alloys. They have 42% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 2.4951 nickel and the bottom bar is R30008 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 34
1.1 to 73
Fatigue Strength, MPa 200
320 to 530
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 76
83
Tensile Strength: Ultimate (UTS), MPa 750
950 to 1700
Tensile Strength: Yield (Proof), MPa 270
500 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 320
320
Melting Completion (Liquidus), °C 1360
1400
Melting Onset (Solidus), °C 1310
1330
Specific Heat Capacity, J/kg-K 460
450
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 60
95
Density, g/cm3 8.5
8.4
Embodied Carbon, kg CO2/kg material 9.3
8.1
Embodied Energy, MJ/kg 130
110
Embodied Water, L/kg 280
400

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 190
590 to 2720
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 25
31 to 56
Strength to Weight: Bending, points 22
25 to 37
Thermal Shock Resistance, points 23
25 to 44

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Boron (B), % 0
0 to 0.0010
Carbon (C), % 0.080 to 0.15
0 to 0.15
Chromium (Cr), % 18 to 21
18.5 to 21.5
Cobalt (Co), % 0 to 5.0
39 to 42
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 5.0
7.6 to 20
Manganese (Mn), % 0 to 1.0
1.0 to 2.0
Molybdenum (Mo), % 0
6.5 to 7.5
Nickel (Ni), % 65.4 to 81.7
15 to 18
Phosphorus (P), % 0 to 0.020
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 1.2
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0.2 to 0.6
0