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G-CoCr28 Cobalt vs. Grade 363 Molybdenum

G-CoCr28 cobalt belongs to the cobalt alloys classification, while grade 363 molybdenum belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is G-CoCr28 cobalt and the bottom bar is grade 363 molybdenum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
310
Elongation at Break, % 6.7
6.2 to 11
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 83
120
Tensile Strength: Ultimate (UTS), MPa 560
580 to 720
Tensile Strength: Yield (Proof), MPa 260
350 to 620

Thermal Properties

Latent Heat of Fusion, J/g 320
370
Specific Heat Capacity, J/kg-K 470
250
Thermal Expansion, µm/m-K 14
7.0

Otherwise Unclassified Properties

Density, g/cm3 8.1
10
Embodied Carbon, kg CO2/kg material 6.2
28
Embodied Energy, MJ/kg 84
330
Embodied Water, L/kg 440
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
43 to 57
Resilience: Unit (Modulus of Resilience), kJ/m3 160
200 to 630
Stiffness to Weight: Axial, points 15
17
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 19
16 to 20
Strength to Weight: Bending, points 19
15 to 17
Thermal Shock Resistance, points 14
19 to 24

Alloy Composition

Carbon (C), % 0.050 to 0.25
0.010 to 0.030
Chromium (Cr), % 27 to 30
0
Cobalt (Co), % 48 to 52
0
Iron (Fe), % 9.7 to 24.5
0 to 0.010
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 0 to 0.5
99.3 to 99.5
Nickel (Ni), % 0 to 4.0
0 to 0.0020
Niobium (Nb), % 0 to 0.5
0
Nitrogen (N), % 0
0 to 0.0020
Oxygen (O), % 0
0 to 0.0030
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0.5 to 1.5
0 to 0.010
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0.4 to 0.55
Zirconium (Zr), % 0
0.060 to 0.12