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AWS BAg-27 vs. R30035 Cobalt

AWS BAg-27 belongs to the otherwise unclassified metals classification, while R30035 cobalt belongs to the cobalt alloys. There are 17 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-27 and the bottom bar is R30035 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 88
220 to 230
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 33
84 to 89
Tensile Strength: Ultimate (UTS), MPa 160
900 to 1900

Thermal Properties

Latent Heat of Fusion, J/g 140
320
Melting Completion (Liquidus), °C 750
1440
Melting Onset (Solidus), °C 610
1320
Specific Heat Capacity, J/kg-K 330
440
Thermal Expansion, µm/m-K 22
13

Otherwise Unclassified Properties

Density, g/cm3 8.7
8.7
Embodied Carbon, kg CO2/kg material 25
10
Embodied Energy, MJ/kg 400
140

Common Calculations

Stiffness to Weight: Axial, points 5.7
14 to 15
Stiffness to Weight: Bending, points 17
23 to 24
Strength to Weight: Axial, points 5.1
29 to 61
Strength to Weight: Bending, points 7.6
24 to 39
Thermal Shock Resistance, points 5.9
23 to 46

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 to 0.025
Chromium (Cr), % 0
19 to 21
Cobalt (Co), % 0
29.1 to 39
Copper (Cu), % 34 to 36
0
Iron (Fe), % 0
0 to 1.0
Manganese (Mn), % 0
0 to 0.15
Molybdenum (Mo), % 0
9.0 to 10.5
Nickel (Ni), % 0
33 to 37
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 0.15
Silver (Ag), % 24 to 26
0
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
0 to 1.0
Zinc (Zn), % 24.5 to 28.5
0
Residuals, % 0 to 0.15
0