AWS BAu-2 vs. C94800 Bronze

AWS BAu-2 belongs to the otherwise unclassified metals classification, while C94800 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 (14, in this case) are not shown.

For each property being compared, the top bar is AWS BAu-2 and the bottom bar is C94800 bronze.

AWS BAu-2 (P00800) Filler Metal UNS C94800 Nickel-Tin Bronze

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		100
Elastic (Young's, Tensile) Modulus, GPa		110

Poisson's Ratio		0.4
Poisson's Ratio		0.34

Shear Modulus, GPa		36
Shear Modulus, GPa		43

Tensile Strength: Ultimate (UTS), MPa		150
Tensile Strength: Ultimate (UTS), MPa		310

Thermal Properties

Latent Heat of Fusion, J/g		92
Latent Heat of Fusion, J/g		200

Melting Completion (Liquidus), °C		890
Melting Completion (Liquidus), °C		1030

Melting Onset (Solidus), °C		890
Melting Onset (Solidus), °C		900

Specific Heat Capacity, J/kg-K		180
Specific Heat Capacity, J/kg-K		380

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

Otherwise Unclassified Properties

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

Common Calculations

Stiffness to Weight: Axial, points		3.3
Stiffness to Weight: Axial, points		7.2

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		9.8

Strength to Weight: Bending, points		3.6
Strength to Weight: Bending, points		12

Thermal Shock Resistance, points		7.1
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 0.15

Copper (Cu), %		19.4 to 20.5
Copper (Cu), %		84 to 89

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

Iron (Fe), %		0
Iron (Fe), %		0 to 0.25

Lead (Pb), %		0
Lead (Pb), %		0.3 to 1.0

Manganese (Mn), %		0
Manganese (Mn), %		0 to 0.2

Nickel (Ni), %		0
Nickel (Ni), %		4.5 to 6.0

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

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

Sulfur (S), %		0
Sulfur (S), %		0 to 0.050

Tin (Sn), %		0
Tin (Sn), %		4.5 to 6.0

Zinc (Zn), %		0
Zinc (Zn), %		1.0 to 2.5

Residuals, %		0 to 0.15
Residuals, %		0 to 1.3