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R30016 Cobalt vs. ASTM A514 Steel

R30016 cobalt belongs to the cobalt alloys classification, while ASTM A514 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 A514 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 8.4
18 to 21
Fatigue Strength, MPa 290
470 to 540
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 85
73
Tensile Strength: Ultimate (UTS), MPa 1010
790 to 830
Tensile Strength: Yield (Proof), MPa 580
690 to 770

Thermal Properties

Latent Heat of Fusion, J/g 320
250 to 260
Melting Completion (Liquidus), °C 1360
1460
Melting Onset (Solidus), °C 1270
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 15
37 to 51
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.2 to 7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.3 to 8.8

Otherwise Unclassified Properties

Density, g/cm3 8.5
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 7.7
1.6 to 1.8
Embodied Energy, MJ/kg 110
21 to 25
Embodied Water, L/kg 500
48 to 57

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 72
140 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 770
1280 to 1590
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 33
28 to 29
Strength to Weight: Bending, points 26
24 to 25
Thermal Diffusivity, mm2/s 3.9
10 to 14
Thermal Shock Resistance, points 24
23 to 24