AWS BVAu-2 vs. C64800 Bronze

AWS BVAu-2 belongs to the otherwise unclassified metals classification, while C64800 bronze belongs to the copper alloys. They have a modest 20% of their average alloy composition in common, which, by itself, doesn't mean much. There are 15 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is AWS BVAu-2 and the bottom bar is C64800 bronze.

AWS BVAu-2 (P00807) Vacuum Service Filler Metal UNS C64800 Cobalt-Silicon Bronze

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		100
Elastic (Young's, Tensile) Modulus, GPa		120

Poisson's Ratio		0.4
Poisson's Ratio		0.34

Shear Modulus, GPa		36
Shear Modulus, GPa		44

Tensile Strength: Ultimate (UTS), MPa		150
Tensile Strength: Ultimate (UTS), MPa		640

Thermal Properties

Latent Heat of Fusion, J/g		92
Latent Heat of Fusion, J/g		220

Melting Completion (Liquidus), °C		890
Melting Completion (Liquidus), °C		1090

Melting Onset (Solidus), °C		890
Melting Onset (Solidus), °C		1030

Specific Heat Capacity, J/kg-K		180
Specific Heat Capacity, J/kg-K		390

Thermal Expansion, µm/m-K		15
Thermal Expansion, µm/m-K		17

Otherwise Unclassified Properties

Density, g/cm³		17
Density, g/cm³		8.9

Common Calculations

Stiffness to Weight: Axial, points		3.3
Stiffness to Weight: Axial, points		7.4

Stiffness to Weight: Bending, points		9.1
Stiffness to Weight: Bending, points		18

Strength to Weight: Axial, points		2.4
Strength to Weight: Axial, points		20

Strength to Weight: Bending, points		3.6
Strength to Weight: Bending, points		19

Thermal Shock Resistance, points		7.1
Thermal Shock Resistance, points		23

Alloy Composition

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

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

Chromium (Cr), %		0
Chromium (Cr), %		0 to 0.090

Cobalt (Co), %		0
Cobalt (Co), %		1.0 to 3.0

Copper (Cu), %		19.5 to 20.5
Copper (Cu), %		92.4 to 98.8

Gold (Au), %		79.5 to 80.5
Gold (Au), %		0

Iron (Fe), %		0
Iron (Fe), %		0 to 1.0

Lead (Pb), %		0 to 0.0020
Lead (Pb), %		0 to 0.050

Nickel (Ni), %		0
Nickel (Ni), %		0 to 0.5

Phosphorus (P), %		0 to 0.0020
Phosphorus (P), %		0 to 0.5

Silicon (Si), %		0
Silicon (Si), %		0.2 to 1.0

Tin (Sn), %		0
Tin (Sn), %		0 to 0.5

Zinc (Zn), %		0 to 0.0010
Zinc (Zn), %		0 to 0.5

Residuals, %		0
Residuals, %		0 to 0.5