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R30016 Cobalt vs. ASTM A202 Steel

R30016 cobalt belongs to the cobalt alloys classification, while ASTM A202 steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is R30016 cobalt and the bottom bar is ASTM A202 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 8.4
17 to 18
Fatigue Strength, MPa 290
240
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 85
73
Tensile Strength: Ultimate (UTS), MPa 1010
590 to 670
Tensile Strength: Yield (Proof), MPa 580
350 to 360

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Melting Completion (Liquidus), °C 1360
1450
Melting Onset (Solidus), °C 1270
1410
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 15
52
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
8.4

Otherwise Unclassified Properties

Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 7.7
1.4
Embodied Energy, MJ/kg 110
19
Embodied Water, L/kg 500
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 72
93 to 96
Resilience: Unit (Modulus of Resilience), kJ/m3 770
330 to 350
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 33
21 to 24
Strength to Weight: Bending, points 26
20 to 22
Thermal Diffusivity, mm2/s 3.9
14
Thermal Shock Resistance, points 24
17 to 20