AWS BAg-1 vs. C87900 Brass

AWS BAg-1 belongs to the otherwise unclassified metals classification, while C87900 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 (13, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-1 and the bottom bar is C87900 brass.

AWS BAg-1 (P07450) Filler Metal UNS C87900 Silicon Brass

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		75
Elastic (Young's, Tensile) Modulus, GPa		110

Poisson's Ratio		0.33
Poisson's Ratio		0.31

Shear Modulus, GPa		28
Shear Modulus, GPa		41

Tensile Strength: Ultimate (UTS), MPa		170
Tensile Strength: Ultimate (UTS), MPa		480

Thermal Properties

Latent Heat of Fusion, J/g		110
Latent Heat of Fusion, J/g		190

Melting Completion (Liquidus), °C		620
Melting Completion (Liquidus), °C		930

Melting Onset (Solidus), °C		610
Melting Onset (Solidus), °C		900

Specific Heat Capacity, J/kg-K		280
Specific Heat Capacity, J/kg-K		390

Thermal Expansion, µm/m-K		23
Thermal Expansion, µm/m-K		20

Otherwise Unclassified Properties

Density, g/cm³		9.2
Density, g/cm³		8.1

Embodied Carbon, kg CO₂/kg material		44
Embodied Carbon, kg CO₂/kg material		2.7

Embodied Energy, MJ/kg		690
Embodied Energy, MJ/kg		46

Common Calculations

Stiffness to Weight: Axial, points		4.6
Stiffness to Weight: Axial, points		7.3

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

Strength to Weight: Axial, points		5.1
Strength to Weight: Axial, points		17

Strength to Weight: Bending, points		7.4
Strength to Weight: Bending, points		17

Thermal Shock Resistance, points		7.0
Thermal Shock Resistance, points		16

Alloy Composition

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

Cadmium (Cd), %		23 to 25
Cadmium (Cd), %		0

Copper (Cu), %		14 to 16
Copper (Cu), %		63 to 69.2

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

Lead (Pb), %		0
Lead (Pb), %		0 to 0.25

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

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

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

Silicon (Si), %		0
Silicon (Si), %		0.8 to 1.2

Silver (Ag), %		44 to 46
Silver (Ag), %		0

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

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

Zinc (Zn), %		14 to 18
Zinc (Zn), %		30 to 36

Residuals, %		0 to 0.15
Residuals, %		0