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R30008 Cobalt vs. EN 2.4964 Cobalt

Both R30008 cobalt and EN 2.4964 cobalt are cobalt alloys. They have 73% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is R30008 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, % 1.1 to 73
40
Fatigue Strength, MPa 320 to 530
220
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 83
86
Tensile Strength: Ultimate (UTS), MPa 950 to 1700
960
Tensile Strength: Yield (Proof), MPa 500 to 1080
390

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Melting Completion (Liquidus), °C 1400
1630
Melting Onset (Solidus), °C 1330
1550
Specific Heat Capacity, J/kg-K 450
400
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Density, g/cm3 8.4
9.6
Embodied Carbon, kg CO2/kg material 8.1
9.8
Embodied Energy, MJ/kg 110
140
Embodied Water, L/kg 400
450

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 590 to 2720
340
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 31 to 56
28
Strength to Weight: Bending, points 25 to 37
23
Thermal Shock Resistance, points 25 to 44
25

Alloy Composition

Boron (B), % 0 to 0.0010
0
Carbon (C), % 0 to 0.15
0.050 to 0.15
Chromium (Cr), % 18.5 to 21.5
19 to 21
Cobalt (Co), % 39 to 42
46.4 to 58
Iron (Fe), % 7.6 to 20
0 to 3.0
Manganese (Mn), % 1.0 to 2.0
0 to 2.0
Molybdenum (Mo), % 6.5 to 7.5
0
Nickel (Ni), % 15 to 18
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