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R30016 Cobalt vs. ASTM A182 Grade F3V

R30016 cobalt belongs to the cobalt alloys classification, while ASTM A182 grade F3V belongs to the iron alloys. There are 28 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 A182 grade F3V.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 8.4
20
Fatigue Strength, MPa 290
330
Poisson's Ratio 0.28
0.29
Reduction in Area, % 8.0
51
Shear Modulus, GPa 85
74
Tensile Strength: Ultimate (UTS), MPa 1010
660
Tensile Strength: Yield (Proof), MPa 580
470

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Melting Completion (Liquidus), °C 1360
1470
Melting Onset (Solidus), °C 1270
1430
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 14
13

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 8.5
7.9
Embodied Carbon, kg CO2/kg material 7.7
2.3
Embodied Energy, MJ/kg 110
33
Embodied Water, L/kg 500
63

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 72
120
Resilience: Unit (Modulus of Resilience), kJ/m3 770
590
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 33
23
Strength to Weight: Bending, points 26
21
Thermal Diffusivity, mm2/s 3.9
10
Thermal Shock Resistance, points 24
19

Alloy Composition

Boron (B), % 0
0.0010 to 0.0030
Carbon (C), % 0.9 to 1.4
0.050 to 0.18
Chromium (Cr), % 28 to 32
2.8 to 3.2
Cobalt (Co), % 49.6 to 66.9
0
Iron (Fe), % 0 to 3.0
94.4 to 95.7
Manganese (Mn), % 0.5 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 0 to 1.5
0.9 to 1.1
Nickel (Ni), % 0 to 3.0
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0.2 to 2.0
0 to 0.1
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0
0.015 to 0.035
Tungsten (W), % 3.5 to 5.5
0
Vanadium (V), % 0
0.2 to 0.3