MakeItFrom.com
Menu (ESC)

EN 2.4964 Cobalt vs. Nickel 685

EN 2.4964 cobalt belongs to the cobalt alloys classification, while nickel 685 belongs to the nickel alloys. They have 45% of their average alloy composition in common. There are 25 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 EN 2.4964 cobalt and the bottom bar is nickel 685.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 40
17
Fatigue Strength, MPa 220
470
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 86
77
Tensile Strength: Ultimate (UTS), MPa 960
1250
Tensile Strength: Yield (Proof), MPa 390
850

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Melting Completion (Liquidus), °C 1630
1380
Melting Onset (Solidus), °C 1550
1330
Specific Heat Capacity, J/kg-K 400
460
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Density, g/cm3 9.6
8.4
Embodied Carbon, kg CO2/kg material 9.8
10
Embodied Energy, MJ/kg 140
140
Embodied Water, L/kg 450
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
190
Resilience: Unit (Modulus of Resilience), kJ/m3 340
1820
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 21
23
Strength to Weight: Axial, points 28
42
Strength to Weight: Bending, points 23
31
Thermal Diffusivity, mm2/s 3.9
3.3
Thermal Shock Resistance, points 25
37

Alloy Composition

Aluminum (Al), % 0
1.2 to 1.6
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0.050 to 0.15
0.030 to 0.1
Chromium (Cr), % 19 to 21
18 to 21
Cobalt (Co), % 46.4 to 58
12 to 15
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 0 to 3.0
0 to 2.0
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0
3.5 to 5.0
Nickel (Ni), % 9.0 to 11
49.6 to 62.5
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0
2.8 to 3.3
Tungsten (W), % 14 to 16
0
Zinc (Zn), % 0
0.020 to 0.12