AWS ER80S-B3L vs. AWS BVAu-7

AWS ER80S-B3L belongs to the iron alloys classification, while AWS BVAu-7 belongs to the otherwise unclassified metals. 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 ER80S-B3L and the bottom bar is AWS BVAu-7.

AWS ER80S-B3L or ER55S-B3L (K30560) Weld Metal AWS BVAu-7 (P00507) Vacuum Service Filler Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		190
Elastic (Young's, Tensile) Modulus, GPa		130

Poisson's Ratio		0.29
Poisson's Ratio		0.38

Shear Modulus, GPa		74
Shear Modulus, GPa		45

Tensile Strength: Ultimate (UTS), MPa		630
Tensile Strength: Ultimate (UTS), MPa		200

Thermal Properties

Latent Heat of Fusion, J/g		260
Latent Heat of Fusion, J/g		140

Melting Completion (Liquidus), °C		1460
Melting Completion (Liquidus), °C		1120

Melting Onset (Solidus), °C		1420
Melting Onset (Solidus), °C		1100

Specific Heat Capacity, J/kg-K		470
Specific Heat Capacity, J/kg-K		240

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

Otherwise Unclassified Properties

Density, g/cm³		7.8
Density, g/cm³		15

Common Calculations

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		4.7

Stiffness to Weight: Bending, points		24
Stiffness to Weight: Bending, points		11

Strength to Weight: Axial, points		22
Strength to Weight: Axial, points		3.7

Strength to Weight: Bending, points		21
Strength to Weight: Bending, points		5.1

Thermal Shock Resistance, points		18
Thermal Shock Resistance, points		8.9

Alloy Composition

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Cadmium (Cd), %		0
Cadmium (Cd), %		0 to 0.0010

Carbon (C), %		0 to 0.050
Carbon (C), %		0 to 0.0050

Chromium (Cr), %		2.3 to 2.7
Chromium (Cr), %		0

Cobalt (Co), %		0
Cobalt (Co), %		0 to 0.060

Copper (Cu), %		0 to 0.35
Copper (Cu), %		0

Gold (Au), %		0
Gold (Au), %		49.5 to 50.5

Iron (Fe), %		93.6 to 96
Iron (Fe), %		0

Lead (Pb), %		0
Lead (Pb), %		0 to 0.0020

Manganese (Mn), %		0.4 to 0.7
Manganese (Mn), %		0

Molybdenum (Mo), %		0.9 to 1.2
Molybdenum (Mo), %		0

Nickel (Ni), %		0 to 0.2
Nickel (Ni), %		24.5 to 25.5

Palladium (Pd), %		0
Palladium (Pd), %		23.9 to 26

Phosphorus (P), %		0 to 0.025
Phosphorus (P), %		0 to 0.0020

Silicon (Si), %		0.4 to 0.7
Silicon (Si), %		0

Sulfur (S), %		0 to 0.025
Sulfur (S), %		0

Zinc (Zn), %		0
Zinc (Zn), %		0 to 0.0010

Residuals, %		0 to 0.5
Residuals, %		0