C87800 Brass vs. AWS BAg-20

C87800 brass belongs to the copper alloys classification, while AWS BAg-20 belongs to the otherwise unclassified metals. They have 52% of their average alloy composition in common. 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 C87800 brass and the bottom bar is AWS BAg-20.

UNS C87800 Silicon Brass AWS BAg-20 (P07301) Filler Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		110
Elastic (Young's, Tensile) Modulus, GPa		93

Poisson's Ratio		0.33
Poisson's Ratio		0.32

Shear Modulus, GPa		42
Shear Modulus, GPa		35

Tensile Strength: Ultimate (UTS), MPa		590
Tensile Strength: Ultimate (UTS), MPa		160

Thermal Properties

Latent Heat of Fusion, J/g		260
Latent Heat of Fusion, J/g		150

Melting Completion (Liquidus), °C		920
Melting Completion (Liquidus), °C		770

Melting Onset (Solidus), °C		820
Melting Onset (Solidus), °C		680

Specific Heat Capacity, J/kg-K		410
Specific Heat Capacity, J/kg-K		340

Thermal Expansion, µm/m-K		18
Thermal Expansion, µm/m-K		21

Otherwise Unclassified Properties

Density, g/cm³		8.3
Density, g/cm³		8.6

Embodied Carbon, kg CO₂/kg material		2.7
Embodied Carbon, kg CO₂/kg material		30

Embodied Energy, MJ/kg		44
Embodied Energy, MJ/kg		480

Common Calculations

Stiffness to Weight: Axial, points		7.4
Stiffness to Weight: Axial, points		6.0

Stiffness to Weight: Bending, points		19
Stiffness to Weight: Bending, points		17

Strength to Weight: Axial, points		20
Strength to Weight: Axial, points		5.1

Strength to Weight: Bending, points		19
Strength to Weight: Bending, points		7.6

Thermal Shock Resistance, points		21
Thermal Shock Resistance, points		5.9

Alloy Composition

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

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

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

Copper (Cu), %		80 to 84.2
Copper (Cu), %		37 to 39

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

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

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

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

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

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

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

Silver (Ag), %		0
Silver (Ag), %		29 to 31

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

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

Zinc (Zn), %		12 to 16
Zinc (Zn), %		30 to 34

Residuals, %		0
Residuals, %		0 to 0.15