AWS BAg-7 vs. AWS E33-31

AWS BAg-7 belongs to the otherwise unclassified metals classification, while AWS E33-31 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 E33-31.

AWS BAg-7 (P07563) Filler Metal AWS E33-31 (W33310) Weld Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		83
Elastic (Young's, Tensile) Modulus, GPa		210

Poisson's Ratio		0.34
Poisson's Ratio		0.27

Shear Modulus, GPa		31
Shear Modulus, GPa		81

Tensile Strength: Ultimate (UTS), MPa		150
Tensile Strength: Ultimate (UTS), MPa		810

Thermal Properties

Latent Heat of Fusion, J/g		130
Latent Heat of Fusion, J/g		320

Melting Completion (Liquidus), °C		650
Melting Completion (Liquidus), °C		1380

Melting Onset (Solidus), °C		620
Melting Onset (Solidus), °C		1330

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		7.9

Embodied Carbon, kg CO₂/kg material		55
Embodied Carbon, kg CO₂/kg material		6.0

Embodied Energy, MJ/kg		860
Embodied Energy, MJ/kg		86

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		28

Strength to Weight: Bending, points		6.7
Strength to Weight: Bending, points		24

Thermal Shock Resistance, points		6.4
Thermal Shock Resistance, points		19

Alloy Composition

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

Chromium (Cr), %		0
Chromium (Cr), %		31 to 35

Copper (Cu), %		21 to 23
Copper (Cu), %		0.4 to 0.8

Iron (Fe), %		0
Iron (Fe), %		24.7 to 34.8

Manganese (Mn), %		0
Manganese (Mn), %		2.5 to 4.0

Molybdenum (Mo), %		0
Molybdenum (Mo), %		1.0 to 2.0

Nickel (Ni), %		0
Nickel (Ni), %		30 to 32

Nitrogen (N), %		0
Nitrogen (N), %		0.3 to 0.5

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

Silicon (Si), %		0
Silicon (Si), %		0 to 0.9

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

Sulfur (S), %		0
Sulfur (S), %		0 to 0.010

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