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G-CoCr28 Cobalt vs. AWS E310Mo

G-CoCr28 cobalt belongs to the cobalt alloys classification, while AWS E310Mo belongs to the iron alloys. They have 47% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is G-CoCr28 cobalt and the bottom bar is AWS E310Mo.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 6.7
34
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 83
80
Tensile Strength: Ultimate (UTS), MPa 560
620

Thermal Properties

Latent Heat of Fusion, J/g 320
310
Melting Completion (Liquidus), °C 1330
1420
Melting Onset (Solidus), °C 1270
1370
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 8.5
14
Thermal Expansion, µm/m-K 14
14

Otherwise Unclassified Properties

Base Metal Price, % relative 100
28
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 6.2
5.1
Embodied Energy, MJ/kg 84
71
Embodied Water, L/kg 440
210

Common Calculations

Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
22
Strength to Weight: Bending, points 19
20
Thermal Diffusivity, mm2/s 2.2
3.7
Thermal Shock Resistance, points 14
15

Alloy Composition

Carbon (C), % 0.050 to 0.25
0 to 0.12
Chromium (Cr), % 27 to 30
25 to 28
Cobalt (Co), % 48 to 52
0
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 9.7 to 24.5
42.8 to 52
Manganese (Mn), % 0 to 1.5
1.0 to 2.5
Molybdenum (Mo), % 0 to 0.5
2.0 to 3.0
Nickel (Ni), % 0 to 4.0
20 to 22
Niobium (Nb), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0.5 to 1.5
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030