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R30003 Cobalt vs. R30001 Cobalt

Both R30003 cobalt and R30001 cobalt are cobalt alloys. They have 64% of their average alloy composition in common. There are 23 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 R30003 cobalt and the bottom bar is R30001 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
220
Elongation at Break, % 10 to 73
1.0
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 83
86
Tensile Strength: Ultimate (UTS), MPa 970 to 1720
620

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Melting Completion (Liquidus), °C 1400
1530
Melting Onset (Solidus), °C 1440
1260
Specific Heat Capacity, J/kg-K 450
430
Thermal Conductivity, W/m-K 13
15
Thermal Expansion, µm/m-K 13
11

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 8.4
9.0
Embodied Carbon, kg CO2/kg material 8.0
8.9
Embodied Energy, MJ/kg 110
130
Embodied Water, L/kg 400
460

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 32 to 57
19
Strength to Weight: Bending, points 26 to 38
18
Thermal Diffusivity, mm2/s 3.3
3.7
Thermal Shock Resistance, points 26 to 45
19

Alloy Composition

Boron (B), % 0 to 0.1
0
Carbon (C), % 0 to 0.15
2.0 to 3.0
Chromium (Cr), % 19 to 21
28 to 32
Cobalt (Co), % 39 to 41
43 to 59
Iron (Fe), % 10 to 20.5
0 to 3.0
Manganese (Mn), % 1.5 to 2.5
0
Molybdenum (Mo), % 6.0 to 8.0
0 to 1.0
Nickel (Ni), % 14 to 16
0 to 3.0
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 1.2
0 to 2.0
Sulfur (S), % 0 to 0.015
0
Tungsten (W), % 0
11 to 13