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EN 2.4964 Cobalt vs. Type 1 Niobium

EN 2.4964 cobalt belongs to the cobalt alloys classification, while Type 1 niobium belongs to the otherwise unclassified metals. There are 20 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 2.4964 cobalt and the bottom bar is Type 1 niobium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
110
Elongation at Break, % 40
29
Poisson's Ratio 0.29
0.4
Shear Modulus, GPa 86
38
Tensile Strength: Ultimate (UTS), MPa 960
140
Tensile Strength: Yield (Proof), MPa 390
82

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Specific Heat Capacity, J/kg-K 400
270
Thermal Conductivity, W/m-K 15
52
Thermal Expansion, µm/m-K 12
7.3

Otherwise Unclassified Properties

Density, g/cm3 9.6
8.6
Embodied Water, L/kg 450
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
35
Resilience: Unit (Modulus of Resilience), kJ/m3 340
32
Stiffness to Weight: Axial, points 13
6.8
Stiffness to Weight: Bending, points 21
18
Strength to Weight: Axial, points 28
4.6
Strength to Weight: Bending, points 23
7.1
Thermal Diffusivity, mm2/s 3.9
23
Thermal Shock Resistance, points 25
13

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.010
Chromium (Cr), % 19 to 21
0
Cobalt (Co), % 46.4 to 58
0
Hafnium (Hf), % 0
0 to 0.020
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 3.0
0 to 0.0050
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0
0 to 0.010
Nickel (Ni), % 9.0 to 11
0 to 0.0050
Niobium (Nb), % 0
99.7 to 100
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.4
0 to 0.0050
Sulfur (S), % 0 to 0.015
0
Tantalum (Ta), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.020
Tungsten (W), % 14 to 16
0 to 0.030
Zirconium (Zr), % 0
0 to 0.020