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R30006 Cobalt vs. ASTM A182 Grade F122

R30006 cobalt belongs to the cobalt alloys classification, while ASTM A182 grade F122 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 F122.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 1.0
23
Fatigue Strength, MPa 260
320
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 85
76
Tensile Strength: Ultimate (UTS), MPa 900
710
Tensile Strength: Yield (Proof), MPa 540
450

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Melting Completion (Liquidus), °C 1400
1490
Melting Onset (Solidus), °C 1290
1440
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 15
24
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
10
Electrical Conductivity: Equal Weight (Specific), % IACS 1.7
12

Otherwise Unclassified Properties

Density, g/cm3 8.6
8.0
Embodied Carbon, kg CO2/kg material 7.8
3.0
Embodied Energy, MJ/kg 110
44
Embodied Water, L/kg 500
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.8
140
Resilience: Unit (Modulus of Resilience), kJ/m3 670
520
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 29
25
Strength to Weight: Bending, points 24
22
Thermal Diffusivity, mm2/s 3.9
6.4
Thermal Shock Resistance, points 26
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0 to 0.0050
Carbon (C), % 0.9 to 1.4
0.070 to 0.14
Chromium (Cr), % 27 to 32
10 to 11.5
Cobalt (Co), % 48.6 to 68.1
0
Copper (Cu), % 0
0.3 to 1.7
Iron (Fe), % 0 to 3.0
81.3 to 87.7
Manganese (Mn), % 0
0 to 0.7
Molybdenum (Mo), % 0 to 1.0
0.25 to 0.6
Nickel (Ni), % 0 to 3.0
0 to 0.5
Niobium (Nb), % 0
0.040 to 0.1
Nitrogen (N), % 0
0.040 to 0.1
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 2.0
0 to 0.5
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 4.0 to 6.0
1.5 to 2.5
Vanadium (V), % 0
0.15 to 0.3
Zirconium (Zr), % 0
0 to 0.010