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R30016 Cobalt vs. Type 2 Magnetic Alloy

R30016 cobalt belongs to the cobalt alloys classification, while Type 2 magnetic alloy belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is R30016 cobalt and the bottom bar is Type 2 magnetic alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 8.4
2.0 to 38
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 85
72
Tensile Strength: Ultimate (UTS), MPa 1010
510 to 910
Tensile Strength: Yield (Proof), MPa 580
260 to 870

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Melting Completion (Liquidus), °C 1360
1420
Melting Onset (Solidus), °C 1270
1370
Specific Heat Capacity, J/kg-K 450
460
Thermal Expansion, µm/m-K 14
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
3.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
4.2

Otherwise Unclassified Properties

Density, g/cm3 8.5
8.4
Embodied Carbon, kg CO2/kg material 7.7
5.9
Embodied Energy, MJ/kg 110
81
Embodied Water, L/kg 500
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 72
18 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 770
170 to 2010
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 33
17 to 30
Strength to Weight: Bending, points 26
17 to 25
Thermal Shock Resistance, points 24
16 to 29

Alloy Composition

Carbon (C), % 0.9 to 1.4
0 to 0.050
Chromium (Cr), % 28 to 32
0 to 0.3
Cobalt (Co), % 49.6 to 66.9
0 to 0.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 0 to 3.0
48.2 to 53
Manganese (Mn), % 0.5 to 2.0
0 to 0.8
Molybdenum (Mo), % 0 to 1.5
0 to 0.3
Nickel (Ni), % 0 to 3.0
47 to 49
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0.2 to 2.0
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 3.5 to 5.5
0