AWS BAg-3 vs. C68400 Brass

AWS BAg-3 belongs to the otherwise unclassified metals classification, while C68400 brass belongs to the copper alloys. They have a modest 31% of their average alloy composition in common, which, by itself, doesn't mean much. There are 17 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-3 and the bottom bar is C68400 brass.

AWS BAg-3 (P07501) Filler Metal UNS C68400 Silicon-Manganese Brass

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		80
Elastic (Young's, Tensile) Modulus, GPa		110

Poisson's Ratio		0.33
Poisson's Ratio		0.31

Shear Modulus, GPa		30
Shear Modulus, GPa		41

Tensile Strength: Ultimate (UTS), MPa		170
Tensile Strength: Ultimate (UTS), MPa		540

Thermal Properties

Latent Heat of Fusion, J/g		120
Latent Heat of Fusion, J/g		210

Melting Completion (Liquidus), °C		690
Melting Completion (Liquidus), °C		840

Melting Onset (Solidus), °C		630
Melting Onset (Solidus), °C		820

Specific Heat Capacity, J/kg-K		290
Specific Heat Capacity, J/kg-K		400

Thermal Expansion, µm/m-K		22
Thermal Expansion, µm/m-K		20

Otherwise Unclassified Properties

Density, g/cm³		9.3
Density, g/cm³		7.9

Embodied Carbon, kg CO₂/kg material		49
Embodied Carbon, kg CO₂/kg material		2.7

Embodied Energy, MJ/kg		770
Embodied Energy, MJ/kg		47

Common Calculations

Stiffness to Weight: Axial, points		4.8
Stiffness to Weight: Axial, points		7.5

Stiffness to Weight: Bending, points		15
Stiffness to Weight: Bending, points		20

Strength to Weight: Axial, points		5.1
Strength to Weight: Axial, points		19

Strength to Weight: Bending, points		7.3
Strength to Weight: Bending, points		19

Thermal Shock Resistance, points		6.9
Thermal Shock Resistance, points		18

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0 to 0.5

Boron (B), %		0
Boron (B), %		0.0010 to 0.030

Cadmium (Cd), %		15 to 17
Cadmium (Cd), %		0

Copper (Cu), %		14.5 to 16.5
Copper (Cu), %		59 to 64

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

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

Manganese (Mn), %		0
Manganese (Mn), %		0.2 to 1.5

Nickel (Ni), %		2.5 to 3.5
Nickel (Ni), %		0 to 0.5

Phosphorus (P), %		0
Phosphorus (P), %		0.030 to 0.3

Silicon (Si), %		0
Silicon (Si), %		1.5 to 2.5

Silver (Ag), %		49 to 51
Silver (Ag), %		0

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

Zinc (Zn), %		13.5 to 17.5
Zinc (Zn), %		28.6 to 39.3

Residuals, %		0
Residuals, %		0 to 0.5