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R30001 Cobalt vs. ASTM A182 Grade F5

R30001 cobalt belongs to the cobalt alloys classification, while ASTM A182 grade F5 belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is R30001 cobalt and the bottom bar is ASTM A182 grade F5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 1.0
22
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 86
74
Tensile Strength: Ultimate (UTS), MPa 620
540

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Melting Completion (Liquidus), °C 1530
1460
Melting Onset (Solidus), °C 1260
1420
Specific Heat Capacity, J/kg-K 430
470
Thermal Conductivity, W/m-K 15
40
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
9.4

Otherwise Unclassified Properties

Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 8.9
1.8
Embodied Energy, MJ/kg 130
24
Embodied Water, L/kg 460
69

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 19
19
Strength to Weight: Bending, points 18
19
Thermal Diffusivity, mm2/s 3.7
11
Thermal Shock Resistance, points 19
15

Alloy Composition

Carbon (C), % 2.0 to 3.0
0 to 0.15
Chromium (Cr), % 28 to 32
4.0 to 6.0
Cobalt (Co), % 43 to 59
0
Iron (Fe), % 0 to 3.0
91.5 to 95.3
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 0 to 1.0
0.44 to 0.65
Nickel (Ni), % 0 to 3.0
0 to 0.5
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 2.0
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 11 to 13
0