AWS BAg-9 vs. C84000 Brass

AWS BAg-9 belongs to the otherwise unclassified metals classification, while C84000 brass belongs to the copper alloys. They have a modest 30% of their average alloy composition in common, which, by itself, doesn't mean much. There are 16 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 BAg-9 and the bottom bar is C84000 brass.

AWS BAg-9 (P07650) Filler Metal UNS C84000 Semi-Red Brass

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		82
Elastic (Young's, Tensile) Modulus, GPa		110

Poisson's Ratio		0.35
Poisson's Ratio		0.33

Shear Modulus, GPa		31
Shear Modulus, GPa		42

Tensile Strength: Ultimate (UTS), MPa		140
Tensile Strength: Ultimate (UTS), MPa		250

Thermal Properties

Latent Heat of Fusion, J/g		130
Latent Heat of Fusion, J/g		190

Melting Completion (Liquidus), °C		720
Melting Completion (Liquidus), °C		1040

Melting Onset (Solidus), °C		670
Melting Onset (Solidus), °C		940

Specific Heat Capacity, J/kg-K		290
Specific Heat Capacity, J/kg-K		380

Thermal Expansion, µm/m-K		20
Thermal Expansion, µm/m-K		18

Otherwise Unclassified Properties

Density, g/cm³		9.6
Density, g/cm³		8.6

Embodied Energy, MJ/kg		980
Embodied Energy, MJ/kg		49

Common Calculations

Stiffness to Weight: Axial, points		4.8
Stiffness to Weight: Axial, points		7.2

Stiffness to Weight: Bending, points		15
Stiffness to Weight: Bending, points		19

Strength to Weight: Axial, points		4.1
Strength to Weight: Axial, points		8.2

Strength to Weight: Bending, points		6.3
Strength to Weight: Bending, points		10

Thermal Shock Resistance, points		6.0
Thermal Shock Resistance, points		9.0

Alloy Composition

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

Antimony (Sb), %		0
Antimony (Sb), %		0 to 0.020

Boron (B), %		0
Boron (B), %		0 to 0.1

Copper (Cu), %		19 to 21
Copper (Cu), %		82 to 89

Iron (Fe), %		0
Iron (Fe), %		0 to 0.4

Lead (Pb), %		0
Lead (Pb), %		0 to 0.090

Manganese (Mn), %		0
Manganese (Mn), %		0 to 0.010

Nickel (Ni), %		0
Nickel (Ni), %		0.5 to 2.0

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

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

Silver (Ag), %		64 to 66
Silver (Ag), %		0

Sulfur (S), %		0
Sulfur (S), %		0.1 to 0.65

Tin (Sn), %		0
Tin (Sn), %		2.0 to 4.0

Zinc (Zn), %		13 to 17
Zinc (Zn), %		5.0 to 14

Zirconium (Zr), %		0
Zirconium (Zr), %		0 to 0.1

Residuals, %		0
Residuals, %		0 to 0.7