MakeItFrom.com
Menu (ESC)

R30012 Cobalt vs. Austenitic Grey Cast Iron

R30012 cobalt belongs to the cobalt alloys classification, while austenitic grey cast iron belongs to the iron alloys. There are 18 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is R30012 cobalt and the bottom bar is austenitic grey cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
180
Poisson's Ratio 0.28
0.29 to 0.3
Shear Modulus, GPa 86
69 to 72
Tensile Strength: Ultimate (UTS), MPa 830
150 to 230

Thermal Properties

Latent Heat of Fusion, J/g 320
280 to 350
Melting Completion (Liquidus), °C 1470
1340 to 1400
Melting Onset (Solidus), °C 1280
1290 to 1350
Specific Heat Capacity, J/kg-K 440
470 to 490
Thermal Expansion, µm/m-K 12
13 to 14

Otherwise Unclassified Properties

Density, g/cm3 8.8
7.7 to 8.1
Embodied Carbon, kg CO2/kg material 8.3
3.1 to 4.7
Embodied Energy, MJ/kg 120
43 to 65
Embodied Water, L/kg 480
93 to 120

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
23 to 25
Strength to Weight: Axial, points 26
5.3 to 8.2
Strength to Weight: Bending, points 22
7.9 to 11
Thermal Shock Resistance, points 23
4.5 to 6.5