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R31233 Cobalt vs. AWS BVAg-6b

R31233 cobalt belongs to the cobalt alloys classification, while AWS BVAg-6b belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is R31233 cobalt and the bottom bar is AWS BVAg-6b.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
93
Poisson's Ratio 0.29
0.35
Shear Modulus, GPa 85
35
Tensile Strength: Ultimate (UTS), MPa 1020
180

Thermal Properties

Latent Heat of Fusion, J/g 320
160
Melting Completion (Liquidus), °C 1350
870
Melting Onset (Solidus), °C 1330
780
Specific Heat Capacity, J/kg-K 440
310
Thermal Expansion, µm/m-K 13
19

Otherwise Unclassified Properties

Density, g/cm3 8.6
9.7
Embodied Carbon, kg CO2/kg material 8.4
49
Embodied Energy, MJ/kg 110
770

Common Calculations

Stiffness to Weight: Axial, points 14
5.3
Stiffness to Weight: Bending, points 23
16
Strength to Weight: Axial, points 33
5.1
Strength to Weight: Bending, points 26
7.3
Thermal Shock Resistance, points 25
7.4

Alloy Composition

Boron (B), % 0 to 0.015
0
Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0.020 to 0.1
0 to 0.0050
Chromium (Cr), % 23.5 to 27.5
0
Cobalt (Co), % 44.7 to 63.3
0
Copper (Cu), % 0
49 to 51
Iron (Fe), % 1.0 to 5.0
0
Lead (Pb), % 0
0 to 0.0020
Manganese (Mn), % 0.1 to 1.5
0
Molybdenum (Mo), % 4.0 to 6.0
0
Nickel (Ni), % 7.0 to 11
0
Nitrogen (N), % 0.030 to 0.12
0
Phosphorus (P), % 0 to 0.030
0 to 0.0020
Silicon (Si), % 0.050 to 1.0
0
Silver (Ag), % 0
49 to 51
Sulfur (S), % 0 to 0.020
0
Tungsten (W), % 1.0 to 3.0
0
Zinc (Zn), % 0
0 to 0.0010