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R30012 Cobalt vs. ASTM A182 Grade F10

R30012 cobalt belongs to the cobalt alloys classification, while ASTM A182 grade F10 belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is R30012 cobalt and the bottom bar is ASTM A182 grade F10.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 1.0
34
Fatigue Strength, MPa 320
180
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 86
74
Tensile Strength: Ultimate (UTS), MPa 830
630
Tensile Strength: Yield (Proof), MPa 650
230

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Melting Completion (Liquidus), °C 1470
1420
Melting Onset (Solidus), °C 1280
1370
Specific Heat Capacity, J/kg-K 440
470
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
15
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
17

Otherwise Unclassified Properties

Density, g/cm3 8.8
7.9
Embodied Carbon, kg CO2/kg material 8.3
3.6
Embodied Energy, MJ/kg 120
51
Embodied Water, L/kg 480
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.7
170
Resilience: Unit (Modulus of Resilience), kJ/m3 960
140
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 26
22
Strength to Weight: Bending, points 22
21
Thermal Shock Resistance, points 23
18

Alloy Composition

Carbon (C), % 1.4 to 2.0
0.1 to 0.2
Chromium (Cr), % 27 to 32
7.0 to 9.0
Cobalt (Co), % 47.5 to 64.1
0
Iron (Fe), % 0 to 3.0
66.5 to 72.4
Manganese (Mn), % 0
0.5 to 0.8
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 0 to 3.0
19 to 22
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 2.0
1.0 to 1.4
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 7.5 to 9.5
0