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AWS BAg-10 vs. R30155 Cobalt

AWS BAg-10 belongs to the otherwise unclassified metals classification, while R30155 cobalt belongs to the iron alloys. There are 15 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-10 and the bottom bar is R30155 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 82
210
Poisson's Ratio 0.35
0.29
Shear Modulus, GPa 30
81
Tensile Strength: Ultimate (UTS), MPa 140
850

Thermal Properties

Latent Heat of Fusion, J/g 130
300
Melting Completion (Liquidus), °C 740
1470
Melting Onset (Solidus), °C 690
1420
Specific Heat Capacity, J/kg-K 280
450
Thermal Expansion, µm/m-K 20
14

Otherwise Unclassified Properties

Density, g/cm3 9.8
8.5

Common Calculations

Stiffness to Weight: Axial, points 4.6
14
Stiffness to Weight: Bending, points 15
23
Strength to Weight: Axial, points 4.0
28
Strength to Weight: Bending, points 6.1
24
Thermal Shock Resistance, points 6.2
21

Alloy Composition


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Carbon (C), % 0
0.080 to 0.16
Chromium (Cr), % 0
20 to 22.5
Cobalt (Co), % 0
18.5 to 21
Copper (Cu), % 19 to 21
0
Iron (Fe), % 0
24.3 to 36.2
Manganese (Mn), % 0
1.0 to 2.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 0
19 to 21
Niobium (Nb), % 0
0.75 to 1.3
Nitrogen (N), % 0
0 to 0.2
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 69 to 71
0
Sulfur (S), % 0
0 to 0.030
Tantalum (Ta), % 0
0.75 to 1.3
Tungsten (W), % 0
2.0 to 3.0
Zinc (Zn), % 8.0 to 12
0
Residuals, % 0 to 0.15
0