AWS BVAu-4 vs. C94900 Bronze

AWS BVAu-4 belongs to the otherwise unclassified metals classification, while C94900 bronze belongs to the copper alloys. There are 15 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 BVAu-4 and the bottom bar is C94900 bronze.

AWS BVAu-4 (P00827) Vacuum Service Filler Metal UNS C94900 Leaded Nickel-Tin Bronze

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		110
Elastic (Young's, Tensile) Modulus, GPa		110

Poisson's Ratio		0.4
Poisson's Ratio		0.34

Shear Modulus, GPa		41
Shear Modulus, GPa		41

Tensile Strength: Ultimate (UTS), MPa		190
Tensile Strength: Ultimate (UTS), MPa		300

Thermal Properties

Latent Heat of Fusion, J/g		100
Latent Heat of Fusion, J/g		190

Melting Completion (Liquidus), °C		950
Melting Completion (Liquidus), °C		980

Melting Onset (Solidus), °C		950
Melting Onset (Solidus), °C		910

Specific Heat Capacity, J/kg-K		190
Specific Heat Capacity, J/kg-K		370

Thermal Expansion, µm/m-K		14
Thermal Expansion, µm/m-K		18

Otherwise Unclassified Properties

Density, g/cm³		17
Density, g/cm³		8.8

Common Calculations

Stiffness to Weight: Axial, points		3.6
Stiffness to Weight: Axial, points		6.9

Stiffness to Weight: Bending, points		9.3
Stiffness to Weight: Bending, points		18

Strength to Weight: Axial, points		3.0
Strength to Weight: Axial, points		9.4

Strength to Weight: Bending, points		4.2
Strength to Weight: Bending, points		11

Thermal Shock Resistance, points		8.7
Thermal Shock Resistance, points		11

Alloy Composition

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Aluminum (Al), %		0
Aluminum (Al), %		0 to 0.0050

Antimony (Sb), %		0
Antimony (Sb), %		0 to 0.25

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

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

Copper (Cu), %		0
Copper (Cu), %		79 to 81

Gold (Au), %		81.5 to 82.5
Gold (Au), %		0

Iron (Fe), %		0
Iron (Fe), %		0 to 0.3

Lead (Pb), %		0 to 0.0020
Lead (Pb), %		4.0 to 6.0

Manganese (Mn), %		0
Manganese (Mn), %		0 to 0.1

Nickel (Ni), %		17.5 to 18.5
Nickel (Ni), %		4.0 to 6.0

Phosphorus (P), %		0 to 0.0020
Phosphorus (P), %		0 to 0.050

Silicon (Si), %		0
Silicon (Si), %		0 to 0.0050

Sulfur (S), %		0
Sulfur (S), %		0 to 0.080

Tin (Sn), %		0
Tin (Sn), %		4.0 to 6.0

Zinc (Zn), %		0 to 0.0010
Zinc (Zn), %		4.0 to 6.0

Residuals, %		0
Residuals, %		0 to 0.8