AWS BAg-36 vs. R31538 Cobalt

AWS BAg-36 belongs to the otherwise unclassified metals classification, while R31538 cobalt belongs to the cobalt alloys. There are 17 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-36 and the bottom bar is R31538 cobalt.

AWS BAg-36 (P07454) Filler Metal High Carbon Co-28Cr-6Mo Alloy (ASTM F1537 Alloy 2, ISO 5832-12 Alloy 2, R31538)

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		86
Elastic (Young's, Tensile) Modulus, GPa		220

Poisson's Ratio		0.33
Poisson's Ratio		0.29

Shear Modulus, GPa		32
Shear Modulus, GPa		86

Tensile Strength: Ultimate (UTS), MPa		160
Tensile Strength: Ultimate (UTS), MPa		1020 to 1360

Thermal Properties

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

Melting Completion (Liquidus), °C		680
Melting Completion (Liquidus), °C		1360

Melting Onset (Solidus), °C		650
Melting Onset (Solidus), °C		1290

Specific Heat Capacity, J/kg-K		310
Specific Heat Capacity, J/kg-K		450

Thermal Expansion, µm/m-K		21
Thermal Expansion, µm/m-K		13

Otherwise Unclassified Properties

Density, g/cm³		9.0
Density, g/cm³		8.4

Embodied Carbon, kg CO₂/kg material		44
Embodied Carbon, kg CO₂/kg material		8.1

Embodied Energy, MJ/kg		700
Embodied Energy, MJ/kg		110

Common Calculations

Stiffness to Weight: Axial, points		5.3
Stiffness to Weight: Axial, points		15

Stiffness to Weight: Bending, points		16
Stiffness to Weight: Bending, points		24

Strength to Weight: Axial, points		4.9
Strength to Weight: Axial, points		34 to 45

Strength to Weight: Bending, points		7.3
Strength to Weight: Bending, points		27 to 32

Thermal Shock Resistance, points		6.4
Thermal Shock Resistance, points		25 to 33

Alloy Composition

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Carbon (C), %		0
Carbon (C), %		0.15 to 0.35

Chromium (Cr), %		0
Chromium (Cr), %		26 to 30

Cobalt (Co), %		0
Cobalt (Co), %		58.7 to 68.9

Copper (Cu), %		26 to 28
Copper (Cu), %		0

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

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 1.0

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

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

Silver (Ag), %		44 to 46
Silver (Ag), %		0

Tin (Sn), %		2.5 to 3.5
Tin (Sn), %		0

Zinc (Zn), %		23 to 27
Zinc (Zn), %		0

Residuals, %		0 to 0.15
Residuals, %		0