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Nickel 601 vs. G-CoCr28 Cobalt

Nickel 601 belongs to the nickel alloys classification, while G-CoCr28 cobalt belongs to the cobalt alloys. They have a modest 40% of their average alloy composition in common, which, by itself, doesn't mean much. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is nickel 601 and the bottom bar is G-CoCr28 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 10 to 38
6.7
Fatigue Strength, MPa 220 to 380
130
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
83
Tensile Strength: Ultimate (UTS), MPa 660 to 890
560
Tensile Strength: Yield (Proof), MPa 290 to 800
260

Thermal Properties

Latent Heat of Fusion, J/g 320
320
Maximum Temperature: Mechanical, °C 1100
1200
Melting Completion (Liquidus), °C 1410
1330
Melting Onset (Solidus), °C 1360
1270
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 11
8.5
Thermal Expansion, µm/m-K 14
14

Otherwise Unclassified Properties

Base Metal Price, % relative 49
100
Density, g/cm3 8.3
8.1
Embodied Carbon, kg CO2/kg material 8.0
6.2
Embodied Energy, MJ/kg 110
84
Embodied Water, L/kg 280
440

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86 to 200
31
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 1630
160
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 22 to 30
19
Strength to Weight: Bending, points 20 to 25
19
Thermal Diffusivity, mm2/s 2.8
2.2
Thermal Shock Resistance, points 17 to 23
14

Alloy Composition

Aluminum (Al), % 1.0 to 1.7
0
Carbon (C), % 0 to 0.1
0.050 to 0.25
Chromium (Cr), % 21 to 25
27 to 30
Cobalt (Co), % 0
48 to 52
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 7.7 to 20
9.7 to 24.5
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 58 to 63
0 to 4.0
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.5
0.5 to 1.5
Sulfur (S), % 0 to 0.015
0 to 0.030