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R30003 Cobalt vs. EN 2.4964 Cobalt

Both R30003 cobalt and EN 2.4964 cobalt are cobalt alloys. They have 73% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is R30003 cobalt and the bottom bar is EN 2.4964 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
220
Elongation at Break, % 10 to 73
40
Fatigue Strength, MPa 320 to 560
220
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 83
86
Tensile Strength: Ultimate (UTS), MPa 970 to 1720
960
Tensile Strength: Yield (Proof), MPa 510 to 1090
390

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Melting Completion (Liquidus), °C 1400
1630
Melting Onset (Solidus), °C 1440
1550
Specific Heat Capacity, J/kg-K 450
400
Thermal Conductivity, W/m-K 13
15
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
1.8

Otherwise Unclassified Properties

Density, g/cm3 8.4
9.6
Embodied Carbon, kg CO2/kg material 8.0
9.8
Embodied Energy, MJ/kg 110
140
Embodied Water, L/kg 400
450

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 600 to 2790
340
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 32 to 57
28
Strength to Weight: Bending, points 26 to 38
23
Thermal Diffusivity, mm2/s 3.3
3.9
Thermal Shock Resistance, points 26 to 45
25

Alloy Composition

Boron (B), % 0 to 0.1
0
Carbon (C), % 0 to 0.15
0.050 to 0.15
Chromium (Cr), % 19 to 21
19 to 21
Cobalt (Co), % 39 to 41
46.4 to 58
Iron (Fe), % 10 to 20.5
0 to 3.0
Manganese (Mn), % 1.5 to 2.5
0 to 2.0
Molybdenum (Mo), % 6.0 to 8.0
0
Nickel (Ni), % 14 to 16
9.0 to 11
Phosphorus (P), % 0 to 0.015
0 to 0.020
Silicon (Si), % 0 to 1.2
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.015
Tungsten (W), % 0
14 to 16