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AWS BAg-27 vs. R31233 Cobalt

AWS BAg-27 belongs to the otherwise unclassified metals classification, while R31233 cobalt belongs to the cobalt alloys. 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 AWS BAg-27 and the bottom bar is R31233 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 88
220
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 33
85
Tensile Strength: Ultimate (UTS), MPa 160
1020

Thermal Properties

Latent Heat of Fusion, J/g 140
320
Melting Completion (Liquidus), °C 750
1350
Melting Onset (Solidus), °C 610
1330
Specific Heat Capacity, J/kg-K 330
440
Thermal Expansion, µm/m-K 22
13

Otherwise Unclassified Properties

Density, g/cm3 8.7
8.6
Embodied Carbon, kg CO2/kg material 25
8.4
Embodied Energy, MJ/kg 400
110

Common Calculations

Stiffness to Weight: Axial, points 5.7
14
Stiffness to Weight: Bending, points 17
23
Strength to Weight: Axial, points 5.1
33
Strength to Weight: Bending, points 7.6
26
Thermal Shock Resistance, points 5.9
25

Alloy Composition


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Boron (B), % 0
0 to 0.015
Cadmium (Cd), % 12.5 to 14.5
0
Carbon (C), % 0
0.020 to 0.1
Chromium (Cr), % 0
23.5 to 27.5
Cobalt (Co), % 0
44.7 to 63.3
Copper (Cu), % 34 to 36
0
Iron (Fe), % 0
1.0 to 5.0
Manganese (Mn), % 0
0.1 to 1.5
Molybdenum (Mo), % 0
4.0 to 6.0
Nickel (Ni), % 0
7.0 to 11
Nitrogen (N), % 0
0.030 to 0.12
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.050 to 1.0
Silver (Ag), % 24 to 26
0
Sulfur (S), % 0
0 to 0.020
Tungsten (W), % 0
1.0 to 3.0
Zinc (Zn), % 24.5 to 28.5
0
Residuals, % 0 to 0.15
0