AWS BVAg-32 vs. R30035 Cobalt

AWS BVAg-32 belongs to the otherwise unclassified metals classification, while R30035 cobalt belongs to the cobalt alloys. There are 15 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is AWS BVAg-32 and the bottom bar is R30035 cobalt.

AWS BVAg-32 (P07547) Vacuum Service Filler Metal UNS R30035 (2.4999) Co-Ni-Cr-Mo Alloy

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		93
Elastic (Young's, Tensile) Modulus, GPa		220 to 230

Poisson's Ratio		0.37
Poisson's Ratio		0.29

Shear Modulus, GPa		34
Shear Modulus, GPa		84 to 89

Tensile Strength: Ultimate (UTS), MPa		180
Tensile Strength: Ultimate (UTS), MPa		900 to 1900

Thermal Properties

Latent Heat of Fusion, J/g		140
Latent Heat of Fusion, J/g		320

Melting Completion (Liquidus), °C		950
Melting Completion (Liquidus), °C		1440

Melting Onset (Solidus), °C		900
Melting Onset (Solidus), °C		1320

Specific Heat Capacity, J/kg-K		270
Specific Heat Capacity, J/kg-K		440

Thermal Expansion, µm/m-K		17
Thermal Expansion, µm/m-K		13

Otherwise Unclassified Properties

Density, g/cm³		11
Density, g/cm³		8.7

Common Calculations

Stiffness to Weight: Axial, points		4.9
Stiffness to Weight: Axial, points		14 to 15

Stiffness to Weight: Bending, points		14
Stiffness to Weight: Bending, points		23 to 24

Strength to Weight: Axial, points		4.7
Strength to Weight: Axial, points		29 to 61

Strength to Weight: Bending, points		6.7
Strength to Weight: Bending, points		24 to 39

Thermal Shock Resistance, points		8.0
Thermal Shock Resistance, points		23 to 46

Alloy Composition

Boron (B), %		0
Boron (B), %		0 to 0.015

Cadmium (Cd), %		0 to 0.0010
Cadmium (Cd), %		0

Carbon (C), %		0 to 0.0050
Carbon (C), %		0 to 0.025

Chromium (Cr), %		0
Chromium (Cr), %		19 to 21

Cobalt (Co), %		0
Cobalt (Co), %		29.1 to 39

Copper (Cu), %		20 to 22
Copper (Cu), %		0

Iron (Fe), %		0
Iron (Fe), %		0 to 1.0

Lead (Pb), %		0 to 0.0020
Lead (Pb), %		0

Manganese (Mn), %		0
Manganese (Mn), %		0 to 0.15

Molybdenum (Mo), %		0
Molybdenum (Mo), %		9.0 to 10.5

Nickel (Ni), %		0
Nickel (Ni), %		33 to 37

Palladium (Pd), %		23 to 27
Palladium (Pd), %		0

Phosphorus (P), %		0 to 0.0020
Phosphorus (P), %		0 to 0.015

Silicon (Si), %		0
Silicon (Si), %		0 to 0.15

Silver (Ag), %		53 to 55
Silver (Ag), %		0

Sulfur (S), %		0
Sulfur (S), %		0 to 0.010

Titanium (Ti), %		0
Titanium (Ti), %		0 to 1.0

Zinc (Zn), %		0 to 0.0010
Zinc (Zn), %		0