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R30006 Cobalt vs. ASTM A182 Grade F22V

R30006 cobalt belongs to the cobalt alloys classification, while ASTM A182 grade F22V 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 R30006 cobalt and the bottom bar is ASTM A182 grade F22V.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 1.0
21
Fatigue Strength, MPa 260
320
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 85
74
Tensile Strength: Ultimate (UTS), MPa 900
670
Tensile Strength: Yield (Proof), MPa 540
460

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Melting Completion (Liquidus), °C 1400
1470
Melting Onset (Solidus), °C 1290
1430
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.7
8.7

Otherwise Unclassified Properties

Density, g/cm3 8.6
7.9
Embodied Carbon, kg CO2/kg material 7.8
2.5
Embodied Energy, MJ/kg 110
35
Embodied Water, L/kg 500
61

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.8
120
Resilience: Unit (Modulus of Resilience), kJ/m3 670
570
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 29
24
Strength to Weight: Bending, points 24
22
Thermal Diffusivity, mm2/s 3.9
11
Thermal Shock Resistance, points 26
19

Alloy Composition

Boron (B), % 0
0 to 0.0020
Calcium (Ca), % 0
0 to 0.015
Carbon (C), % 0.9 to 1.4
0.11 to 0.15
Chromium (Cr), % 27 to 32
2.0 to 2.5
Cobalt (Co), % 48.6 to 68.1
0
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 0 to 3.0
94.6 to 96.4
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 0 to 1.0
0.9 to 1.1
Nickel (Ni), % 0 to 3.0
0 to 0.25
Niobium (Nb), % 0
0 to 0.070
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0 to 2.0
0 to 0.1
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
0 to 0.030
Tungsten (W), % 4.0 to 6.0
0
Vanadium (V), % 0
0.25 to 0.35