AWS BAg-19 vs. R30075 Cobalt

AWS BAg-19 belongs to the otherwise unclassified metals classification, while R30075 cobalt belongs to the cobalt alloys. There are 15 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-19 and the bottom bar is R30075 cobalt.

AWS BAg-19 (P07925) Filler Metal UNS R30075 (ASTM F75, ISO 5832-4) Co-Cr-Mo Alloy

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		74
Elastic (Young's, Tensile) Modulus, GPa		210 to 250

Poisson's Ratio		0.37
Poisson's Ratio		0.29

Shear Modulus, GPa		27
Shear Modulus, GPa		82 to 98

Tensile Strength: Ultimate (UTS), MPa		140
Tensile Strength: Ultimate (UTS), MPa		780 to 1280

Thermal Properties

Latent Heat of Fusion, J/g		120
Latent Heat of Fusion, J/g		320

Melting Completion (Liquidus), °C		890
Melting Completion (Liquidus), °C		1360

Melting Onset (Solidus), °C		760
Melting Onset (Solidus), °C		1290

Specific Heat Capacity, J/kg-K		250
Specific Heat Capacity, J/kg-K		450

Thermal Expansion, µm/m-K		20
Thermal Expansion, µm/m-K		12

Otherwise Unclassified Properties

Density, g/cm³		10
Density, g/cm³		8.4

Common Calculations

Stiffness to Weight: Axial, points		4.0
Stiffness to Weight: Axial, points		14 to 17

Stiffness to Weight: Bending, points		14
Stiffness to Weight: Bending, points		24 to 25

Strength to Weight: Axial, points		3.8
Strength to Weight: Axial, points		26 to 42

Strength to Weight: Bending, points		5.8
Strength to Weight: Bending, points		22 to 31

Thermal Shock Resistance, points		6.9
Thermal Shock Resistance, points		21 to 29

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0 to 0.1

Boron (B), %		0
Boron (B), %		0 to 0.010

Carbon (C), %		0
Carbon (C), %		0 to 0.35

Chromium (Cr), %		0
Chromium (Cr), %		27 to 30

Cobalt (Co), %		0
Cobalt (Co), %		58.7 to 68

Copper (Cu), %		6.6 to 7.9
Copper (Cu), %		0

Iron (Fe), %		0
Iron (Fe), %		0 to 0.75

Lithium (Li), %		0.15 to 0.3
Lithium (Li), %		0

Manganese (Mn), %		0
Manganese (Mn), %		0 to 1.0

Molybdenum (Mo), %		0
Molybdenum (Mo), %		5.0 to 7.0

Nickel (Ni), %		0
Nickel (Ni), %		0 to 0.5

Nitrogen (N), %		0
Nitrogen (N), %		0 to 0.25

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.020

Silicon (Si), %		0
Silicon (Si), %		0 to 1.0

Silver (Ag), %		92 to 93
Silver (Ag), %		0

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

Titanium (Ti), %		0
Titanium (Ti), %		0 to 0.1

Tungsten (W), %		0
Tungsten (W), %		0 to 0.2

Residuals, %		0 to 0.15
Residuals, %		0