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R30016 Cobalt vs. SAE-AISI F1 Steel

R30016 cobalt belongs to the cobalt alloys classification, while SAE-AISI F1 steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is R30016 cobalt and the bottom bar is SAE-AISI F1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 85
72
Tensile Strength: Ultimate (UTS), MPa 1010
620 to 2320

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Melting Completion (Liquidus), °C 1360
1480
Melting Onset (Solidus), °C 1270
1430
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 15
45
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.3

Otherwise Unclassified Properties

Density, g/cm3 8.5
7.9
Embodied Carbon, kg CO2/kg material 7.7
1.7
Embodied Energy, MJ/kg 110
24
Embodied Water, L/kg 500
46

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 33
22 to 82
Strength to Weight: Bending, points 26
20 to 49
Thermal Diffusivity, mm2/s 3.9
12
Thermal Shock Resistance, points 24
19 to 70

Alloy Composition

Carbon (C), % 0.9 to 1.4
1.0 to 1.3
Chromium (Cr), % 28 to 32
0
Cobalt (Co), % 49.6 to 66.9
0
Iron (Fe), % 0 to 3.0
95.9 to 98
Manganese (Mn), % 0.5 to 2.0
0 to 0.5
Molybdenum (Mo), % 0 to 1.5
0
Nickel (Ni), % 0 to 3.0
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0.2 to 2.0
0.1 to 0.5
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 3.5 to 5.5
1.0 to 1.8