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.

G-CoCr28 (2.4778) Cobalt-Chromium Alloy AWS E310Mo (W31020) Weld Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		210
Elastic (Young's, Tensile) Modulus, GPa		200

Elongation at Break, %		6.7
Elongation at Break, %		34

Poisson's Ratio		0.28
Poisson's Ratio		0.27

Shear Modulus, GPa		83
Shear Modulus, GPa		80

Tensile Strength: Ultimate (UTS), MPa		560
Tensile Strength: Ultimate (UTS), MPa		620

Thermal Properties

Latent Heat of Fusion, J/g		320
Latent Heat of Fusion, J/g		310

Melting Completion (Liquidus), °C		1330
Melting Completion (Liquidus), °C		1420

Melting Onset (Solidus), °C		1270
Melting Onset (Solidus), °C		1370

Specific Heat Capacity, J/kg-K		470
Specific Heat Capacity, J/kg-K		470

Thermal Conductivity, W/m-K		8.5
Thermal Conductivity, W/m-K		14

Thermal Expansion, µm/m-K		14
Thermal Expansion, µm/m-K		14

Otherwise Unclassified Properties

Base Metal Price, % relative		100
Base Metal Price, % relative		28

Density, g/cm³		8.1
Density, g/cm³		7.9

Embodied Carbon, kg CO₂/kg material		6.2
Embodied Carbon, kg CO₂/kg material		5.1

Embodied Energy, MJ/kg		84
Embodied Energy, MJ/kg		71

Embodied Water, L/kg		440
Embodied Water, L/kg		210

Common Calculations

Stiffness to Weight: Axial, points		15
Stiffness to Weight: Axial, points		14

Stiffness to Weight: Bending, points		24
Stiffness to Weight: Bending, points		25

Strength to Weight: Axial, points		19
Strength to Weight: Axial, points		22

Strength to Weight: Bending, points		19
Strength to Weight: Bending, points		20

Thermal Diffusivity, mm²/s		2.2
Thermal Diffusivity, mm²/s		3.7

Thermal Shock Resistance, points		14
Thermal Shock Resistance, points		15

Alloy Composition

Carbon (C), %		0.050 to 0.25
Carbon (C), %		0 to 0.12

Chromium (Cr), %		27 to 30
Chromium (Cr), %		25 to 28

Cobalt (Co), %		48 to 52
Cobalt (Co), %		0

Copper (Cu), %		0
Copper (Cu), %		0 to 0.75

Iron (Fe), %		9.7 to 24.5
Iron (Fe), %		42.8 to 52

Manganese (Mn), %		0 to 1.5
Manganese (Mn), %		1.0 to 2.5

Molybdenum (Mo), %		0 to 0.5
Molybdenum (Mo), %		2.0 to 3.0

Nickel (Ni), %		0 to 4.0
Nickel (Ni), %		20 to 22

Niobium (Nb), %		0 to 0.5
Niobium (Nb), %		0

Phosphorus (P), %		0 to 0.040
Phosphorus (P), %		0 to 0.030

Silicon (Si), %		0.5 to 1.5
Silicon (Si), %		0 to 0.75

Sulfur (S), %		0 to 0.030
Sulfur (S), %		0 to 0.030