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R30605 Cobalt vs. Austenitic Nodular Cast Iron

R30605 cobalt belongs to the cobalt alloys classification, while austenitic nodular cast iron belongs to the iron alloys. There are 20 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 R30605 cobalt and the bottom bar is austenitic nodular cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
180 to 190
Elongation at Break, % 34
6.8 to 34
Poisson's Ratio 0.29
0.29 to 0.3
Shear Modulus, GPa 81
70 to 72
Tensile Strength: Ultimate (UTS), MPa 1130 to 1900
430 to 500
Tensile Strength: Yield (Proof), MPa 470 to 1600
190 to 240

Thermal Properties

Latent Heat of Fusion, J/g 290
280 to 350
Melting Completion (Liquidus), °C 1410
1340 to 1400
Melting Onset (Solidus), °C 1330
1300 to 1360
Specific Heat Capacity, J/kg-K 410
470 to 490
Thermal Expansion, µm/m-K 12
13 to 14

Otherwise Unclassified Properties

Density, g/cm3 9.6
7.7 to 8.0
Embodied Carbon, kg CO2/kg material 9.8
3.5 to 4.9
Embodied Energy, MJ/kg 140
48 to 68
Embodied Water, L/kg 450
91 to 120

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
24 to 25
Strength to Weight: Axial, points 33 to 55
15 to 18
Strength to Weight: Bending, points 25 to 36
16 to 18
Thermal Shock Resistance, points 31 to 52
12 to 15