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R31233 Cobalt vs. AWS ENiCrCoMo-1

R31233 cobalt belongs to the cobalt alloys classification, while AWS ENiCrCoMo-1 belongs to the nickel alloys. They have 53% of their average alloy composition in common. There are 19 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 R31233 cobalt and the bottom bar is AWS ENiCrCoMo-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
210
Elongation at Break, % 17
28
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 85
82
Tensile Strength: Ultimate (UTS), MPa 1020
710

Thermal Properties

Latent Heat of Fusion, J/g 320
330
Melting Completion (Liquidus), °C 1350
1430
Melting Onset (Solidus), °C 1330
1380
Specific Heat Capacity, J/kg-K 440
440
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Density, g/cm3 8.6
8.5
Embodied Carbon, kg CO2/kg material 8.4
11
Embodied Energy, MJ/kg 110
140
Embodied Water, L/kg 480
340

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 33
23
Strength to Weight: Bending, points 26
21
Thermal Shock Resistance, points 25
19

Alloy Composition

Boron (B), % 0 to 0.015
0
Carbon (C), % 0.020 to 0.1
0.050 to 0.15
Chromium (Cr), % 23.5 to 27.5
21 to 26
Cobalt (Co), % 44.7 to 63.3
9.0 to 15
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 1.0 to 5.0
0 to 5.0
Manganese (Mn), % 0.1 to 1.5
0.3 to 2.5
Molybdenum (Mo), % 4.0 to 6.0
8.0 to 10
Nickel (Ni), % 7.0 to 11
38.6 to 61.7
Niobium (Nb), % 0
0 to 1.0
Nitrogen (N), % 0.030 to 0.12
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.050 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.020
0 to 0.015
Tungsten (W), % 1.0 to 3.0
0
Residuals, % 0
0 to 0.5