AWS BAg-13 vs. R30816 Cobalt

AWS BAg-13 belongs to the otherwise unclassified metals classification, while R30816 cobalt belongs to the cobalt alloys. There are 17 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 BAg-13 and the bottom bar is R30816 cobalt.

AWS BAg-13 (P07540) Filler Metal UNS R30816 (formerly Grade 671) Cobalt

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		91
Elastic (Young's, Tensile) Modulus, GPa		210

Poisson's Ratio		0.35
Poisson's Ratio		0.3

Shear Modulus, GPa		34
Shear Modulus, GPa		81

Tensile Strength: Ultimate (UTS), MPa		180
Tensile Strength: Ultimate (UTS), MPa		1020

Thermal Properties

Latent Heat of Fusion, J/g		150
Latent Heat of Fusion, J/g		300

Melting Completion (Liquidus), °C		860
Melting Completion (Liquidus), °C		1540

Melting Onset (Solidus), °C		720
Melting Onset (Solidus), °C		1460

Specific Heat Capacity, J/kg-K		310
Specific Heat Capacity, J/kg-K		420

Thermal Expansion, µm/m-K		19
Thermal Expansion, µm/m-K		12

Otherwise Unclassified Properties

Density, g/cm³		9.7
Density, g/cm³		9.1

Embodied Carbon, kg CO₂/kg material		52
Embodied Carbon, kg CO₂/kg material		20

Embodied Energy, MJ/kg		820
Embodied Energy, MJ/kg		320

Common Calculations

Stiffness to Weight: Axial, points		5.2
Stiffness to Weight: Axial, points		13

Stiffness to Weight: Bending, points		16
Stiffness to Weight: Bending, points		22

Strength to Weight: Axial, points		5.2
Strength to Weight: Axial, points		31

Strength to Weight: Bending, points		7.3
Strength to Weight: Bending, points		25

Thermal Shock Resistance, points		7.5
Thermal Shock Resistance, points		28

Alloy Composition

Carbon (C), %		0
Carbon (C), %		0.32 to 0.42

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

Cobalt (Co), %		0
Cobalt (Co), %		40 to 49.8

Copper (Cu), %		37.4 to 42.5
Copper (Cu), %		0

Iron (Fe), %		0
Iron (Fe), %		0 to 5.0

Manganese (Mn), %		0
Manganese (Mn), %		1.0 to 2.0

Molybdenum (Mo), %		0
Molybdenum (Mo), %		3.5 to 4.5

Nickel (Ni), %		0.5 to 1.5
Nickel (Ni), %		19 to 21

Niobium (Nb), %		0
Niobium (Nb), %		3.5 to 4.5

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.040

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

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

Sulfur (S), %		0
Sulfur (S), %		0 to 0.030

Tantalum (Ta), %		0
Tantalum (Ta), %		3.5 to 4.5

Tungsten (W), %		0
Tungsten (W), %		3.5 to 4.5

Zinc (Zn), %		4.0 to 6.0
Zinc (Zn), %		0

Residuals, %		0 to 0.15
Residuals, %		0