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AWS BVPd-1 vs. R30008 Cobalt

AWS BVPd-1 belongs to the otherwise unclassified metals classification, while R30008 cobalt belongs to the cobalt alloys. They have a modest 35% of their average alloy composition in common, which, by itself, doesn't mean much. There are 15 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS BVPd-1 and the bottom bar is R30008 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
210
Poisson's Ratio 0.37
0.29
Shear Modulus, GPa 56
83
Tensile Strength: Ultimate (UTS), MPa 240
950 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 200
320
Melting Completion (Liquidus), °C 1240
1400
Melting Onset (Solidus), °C 1230
1330
Specific Heat Capacity, J/kg-K 310
450
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Density, g/cm3 11
8.4

Common Calculations

Stiffness to Weight: Axial, points 7.7
14
Stiffness to Weight: Bending, points 16
24
Strength to Weight: Axial, points 6.1
31 to 56
Strength to Weight: Bending, points 7.9
25 to 37
Thermal Shock Resistance, points 9.8
25 to 44

Alloy Composition

Boron (B), % 0
0 to 0.0010
Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0 to 0.15
Chromium (Cr), % 0
18.5 to 21.5
Cobalt (Co), % 33.9 to 36
39 to 42
Iron (Fe), % 0
7.6 to 20
Lead (Pb), % 0 to 0.0020
0
Manganese (Mn), % 0
1.0 to 2.0
Molybdenum (Mo), % 0
6.5 to 7.5
Nickel (Ni), % 0 to 0.060
15 to 18
Palladium (Pd), % 64 to 66
0
Phosphorus (P), % 0 to 0.0020
0 to 0.015
Silicon (Si), % 0
0 to 1.2
Sulfur (S), % 0
0 to 0.015
Zinc (Zn), % 0 to 0.0010
0