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AWS BVAg-29 vs. R30605 Cobalt

AWS BVAg-29 belongs to the otherwise unclassified metals classification, while R30605 cobalt belongs to the cobalt alloys. There are 15 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 BVAg-29 and the bottom bar is R30605 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
210
Poisson's Ratio 0.37
0.29
Shear Modulus, GPa 27
81
Tensile Strength: Ultimate (UTS), MPa 180
1130 to 1900

Thermal Properties

Latent Heat of Fusion, J/g 120
290
Melting Completion (Liquidus), °C 710
1410
Melting Onset (Solidus), °C 620
1330
Specific Heat Capacity, J/kg-K 270
410
Thermal Expansion, µm/m-K 20
12

Otherwise Unclassified Properties

Density, g/cm3 9.7
9.6

Common Calculations

Stiffness to Weight: Axial, points 4.2
12
Stiffness to Weight: Bending, points 14
21
Strength to Weight: Axial, points 5.2
33 to 55
Strength to Weight: Bending, points 7.3
25 to 36
Thermal Shock Resistance, points 8.8
31 to 52

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0.050 to 0.15
Chromium (Cr), % 0
19 to 21
Cobalt (Co), % 0
46.4 to 57
Copper (Cu), % 22.5 to 25.5
0
Indium (In), % 14 to 15
0
Iron (Fe), % 0
0 to 3.0
Lead (Pb), % 0 to 0.0020
0
Manganese (Mn), % 0
1.0 to 2.0
Nickel (Ni), % 0
9.0 to 11
Phosphorus (P), % 0 to 0.0020
0 to 0.040
Silicon (Si), % 0
0 to 0.4
Silver (Ag), % 60.5 to 62.5
0
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
14 to 16
Zinc (Zn), % 0 to 0.0010
0