AWS BAu-5 vs. C87800 Brass

AWS BAu-5 belongs to the otherwise unclassified metals classification, while C87800 brass belongs to the copper alloys. 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 BAu-5 and the bottom bar is C87800 brass.

AWS BAu-5 (P00300) Filler Metal UNS C87800 Silicon Brass

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		140
Elastic (Young's, Tensile) Modulus, GPa		110

Poisson's Ratio		0.37
Poisson's Ratio		0.33

Shear Modulus, GPa		50
Shear Modulus, GPa		42

Tensile Strength: Ultimate (UTS), MPa		210
Tensile Strength: Ultimate (UTS), MPa		590

Thermal Properties

Latent Heat of Fusion, J/g		180
Latent Heat of Fusion, J/g		260

Melting Completion (Liquidus), °C		1170
Melting Completion (Liquidus), °C		920

Melting Onset (Solidus), °C		1140
Melting Onset (Solidus), °C		820

Specific Heat Capacity, J/kg-K		280
Specific Heat Capacity, J/kg-K		410

Thermal Expansion, µm/m-K		12
Thermal Expansion, µm/m-K		18

Otherwise Unclassified Properties

Density, g/cm³		13
Density, g/cm³		8.3

Common Calculations

Stiffness to Weight: Axial, points		5.8
Stiffness to Weight: Axial, points		7.4

Stiffness to Weight: Bending, points		13
Stiffness to Weight: Bending, points		19

Strength to Weight: Axial, points		4.5
Strength to Weight: Axial, points		20

Strength to Weight: Bending, points		6.0
Strength to Weight: Bending, points		19

Thermal Shock Resistance, points		9.0
Thermal Shock Resistance, points		21

Alloy Composition

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Aluminum (Al), %		0
Aluminum (Al), %		0 to 0.15

Antimony (Sb), %		0
Antimony (Sb), %		0 to 0.050

Arsenic (As), %		0
Arsenic (As), %		0 to 0.050

Copper (Cu), %		0
Copper (Cu), %		80 to 84.2

Gold (Au), %		29.5 to 30.5
Gold (Au), %		0

Iron (Fe), %		0
Iron (Fe), %		0 to 0.15

Lead (Pb), %		0
Lead (Pb), %		0 to 0.15

Magnesium (Mg), %		0
Magnesium (Mg), %		0 to 0.010

Manganese (Mn), %		0
Manganese (Mn), %		0 to 0.15

Nickel (Ni), %		35.5 to 36.4
Nickel (Ni), %		0 to 0.2

Palladium (Pd), %		33.5 to 34.5
Palladium (Pd), %		0

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.010

Silicon (Si), %		0
Silicon (Si), %		3.8 to 4.2

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

Tin (Sn), %		0
Tin (Sn), %		0 to 0.25

Zinc (Zn), %		0
Zinc (Zn), %		12 to 16

Residuals, %		0 to 0.15
Residuals, %		0 to 0.5