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AWS BVAg-0 vs. R30001 Cobalt

AWS BVAg-0 belongs to the otherwise unclassified metals classification, while R30001 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-0 and the bottom bar is R30001 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
220
Poisson's Ratio 0.37
0.28
Shear Modulus, GPa 26
86
Tensile Strength: Ultimate (UTS), MPa 130
620

Thermal Properties

Latent Heat of Fusion, J/g 110
310
Melting Completion (Liquidus), °C 960
1530
Melting Onset (Solidus), °C 960
1260
Specific Heat Capacity, J/kg-K 240
430
Thermal Expansion, µm/m-K 20
11

Otherwise Unclassified Properties

Density, g/cm3 10
9.0

Common Calculations

Stiffness to Weight: Axial, points 3.8
14
Stiffness to Weight: Bending, points 13
22
Strength to Weight: Axial, points 3.4
19
Strength to Weight: Bending, points 5.4
18
Thermal Shock Resistance, points 6.6
19

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
2.0 to 3.0
Chromium (Cr), % 0
28 to 32
Cobalt (Co), % 0
43 to 59
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0
0 to 3.0
Lead (Pb), % 0 to 0.0020
0
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0
0 to 3.0
Phosphorus (P), % 0 to 0.0020
0
Silicon (Si), % 0
0 to 2.0
Silver (Ag), % 99.95 to 100
0
Tungsten (W), % 0
11 to 13
Zinc (Zn), % 0 to 0.0010
0