AWS BAg-7 vs. AWS E409Nb

AWS BAg-7 belongs to the otherwise unclassified metals classification, while AWS E409Nb belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-7 and the bottom bar is AWS E409Nb.

AWS BAg-7 (P07563) Filler Metal AWS E409Nb (W40910) Weld Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		83
Elastic (Young's, Tensile) Modulus, GPa		190

Poisson's Ratio		0.34
Poisson's Ratio		0.28

Shear Modulus, GPa		31
Shear Modulus, GPa		76

Tensile Strength: Ultimate (UTS), MPa		150
Tensile Strength: Ultimate (UTS), MPa		500

Thermal Properties

Latent Heat of Fusion, J/g		130
Latent Heat of Fusion, J/g		280

Melting Completion (Liquidus), °C		650
Melting Completion (Liquidus), °C		1460

Melting Onset (Solidus), °C		620
Melting Onset (Solidus), °C		1410

Specific Heat Capacity, J/kg-K		290
Specific Heat Capacity, J/kg-K		480

Thermal Expansion, µm/m-K		20
Thermal Expansion, µm/m-K		14

Otherwise Unclassified Properties

Density, g/cm³		9.3
Density, g/cm³		7.8

Embodied Carbon, kg CO₂/kg material		55
Embodied Carbon, kg CO₂/kg material		2.9

Embodied Energy, MJ/kg		860
Embodied Energy, MJ/kg		42

Common Calculations

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

Stiffness to Weight: Bending, points		16
Stiffness to Weight: Bending, points		25

Strength to Weight: Axial, points		4.5
Strength to Weight: Axial, points		18

Strength to Weight: Bending, points		6.7
Strength to Weight: Bending, points		18

Thermal Shock Resistance, points		6.4
Thermal Shock Resistance, points		14

Alloy Composition

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Carbon (C), %		0
Carbon (C), %		0 to 0.12

Chromium (Cr), %		0
Chromium (Cr), %		11 to 14

Copper (Cu), %		21 to 23
Copper (Cu), %		0 to 0.75

Iron (Fe), %		0
Iron (Fe), %		80.2 to 88.5

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

Molybdenum (Mo), %		0
Molybdenum (Mo), %		0 to 0.75

Nickel (Ni), %		0
Nickel (Ni), %		0 to 0.6

Niobium (Nb), %		0
Niobium (Nb), %		0.5 to 1.5

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

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

Silver (Ag), %		55 to 57
Silver (Ag), %		0

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

Tin (Sn), %		4.5 to 5.5
Tin (Sn), %		0

Zinc (Zn), %		15 to 19
Zinc (Zn), %		0

Residuals, %		0 to 0.15
Residuals, %		0