AWS BAg-7 vs. AWS E320LR

AWS BAg-7 belongs to the otherwise unclassified metals classification, while AWS E320LR belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-7 and the bottom bar is AWS E320LR.

AWS BAg-7 (P07563) Filler Metal AWS E320LR (W88022) Weld Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		83
Elastic (Young's, Tensile) Modulus, GPa		200

Poisson's Ratio		0.34
Poisson's Ratio		0.28

Shear Modulus, GPa		31
Shear Modulus, GPa		77

Tensile Strength: Ultimate (UTS), MPa		150
Tensile Strength: Ultimate (UTS), MPa		580

Thermal Properties

Latent Heat of Fusion, J/g		130
Latent Heat of Fusion, J/g		300

Melting Completion (Liquidus), °C		650
Melting Completion (Liquidus), °C		1410

Melting Onset (Solidus), °C		620
Melting Onset (Solidus), °C		1360

Specific Heat Capacity, J/kg-K		290
Specific Heat Capacity, J/kg-K		460

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

Otherwise Unclassified Properties

Density, g/cm³		9.3
Density, g/cm³		8.2

Embodied Carbon, kg CO₂/kg material		55
Embodied Carbon, kg CO₂/kg material		6.2

Embodied Energy, MJ/kg		860
Embodied Energy, MJ/kg		87

Common Calculations

Stiffness to Weight: Axial, points		4.9
Stiffness to Weight: Axial, points		13

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

Strength to Weight: Axial, points		4.5
Strength to Weight: Axial, points		20

Strength to Weight: Bending, points		6.7
Strength to Weight: Bending, points		19

Thermal Shock Resistance, points		6.4
Thermal Shock Resistance, points		15

Alloy Composition

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Carbon (C), %		0
Carbon (C), %		0 to 0.030

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

Copper (Cu), %		21 to 23
Copper (Cu), %		3.0 to 4.0

Iron (Fe), %		0
Iron (Fe), %		32.7 to 42.5

Manganese (Mn), %		0
Manganese (Mn), %		1.5 to 2.5

Molybdenum (Mo), %		0
Molybdenum (Mo), %		2.0 to 3.0

Nickel (Ni), %		0
Nickel (Ni), %		32 to 36

Niobium (Nb), %		0
Niobium (Nb), %		0 to 0.4

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

Silicon (Si), %		0
Silicon (Si), %		0 to 0.3

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

Sulfur (S), %		0
Sulfur (S), %		0 to 0.015

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