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EN 2.4964 Cobalt vs. R30006 Cobalt

Both EN 2.4964 cobalt and R30006 cobalt are cobalt alloys. They have 81% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 2.4964 cobalt and the bottom bar is R30006 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
220
Elongation at Break, % 40
1.0
Fatigue Strength, MPa 220
260
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 86
85
Tensile Strength: Ultimate (UTS), MPa 960
900
Tensile Strength: Yield (Proof), MPa 390
540

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Melting Completion (Liquidus), °C 1630
1400
Melting Onset (Solidus), °C 1550
1290
Specific Heat Capacity, J/kg-K 400
450
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
1.7

Otherwise Unclassified Properties

Density, g/cm3 9.6
8.6
Embodied Carbon, kg CO2/kg material 9.8
7.8
Embodied Energy, MJ/kg 140
110
Embodied Water, L/kg 450
500

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
7.8
Resilience: Unit (Modulus of Resilience), kJ/m3 340
670
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 21
23
Strength to Weight: Axial, points 28
29
Strength to Weight: Bending, points 23
24
Thermal Diffusivity, mm2/s 3.9
3.9
Thermal Shock Resistance, points 25
26

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.9 to 1.4
Chromium (Cr), % 19 to 21
27 to 32
Cobalt (Co), % 46.4 to 58
48.6 to 68.1
Iron (Fe), % 0 to 3.0
0 to 3.0
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 9.0 to 11
0 to 3.0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.4
0 to 2.0
Sulfur (S), % 0 to 0.015
0
Tungsten (W), % 14 to 16
4.0 to 6.0