C69300 Brass vs. AWS BVAg-18

C69300 brass belongs to the copper alloys classification, while AWS BVAg-18 belongs to the otherwise unclassified metals. They have a modest 30% 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 C69300 brass and the bottom bar is AWS BVAg-18.

UNS C69300 Silicon Brass AWS BVAg-18 (P07607) Vacuum Service Filler Metal

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.32
Poisson's Ratio		0.36

Shear Modulus, GPa		41
Shear Modulus, GPa		30

Tensile Strength: Ultimate (UTS), MPa		550 to 630
Tensile Strength: Ultimate (UTS), MPa		180

Thermal Properties

Latent Heat of Fusion, J/g		240
Latent Heat of Fusion, J/g		140

Melting Completion (Liquidus), °C		880
Melting Completion (Liquidus), °C		720

Melting Onset (Solidus), °C		860
Melting Onset (Solidus), °C		600

Specific Heat Capacity, J/kg-K		400
Specific Heat Capacity, J/kg-K		280

Thermal Expansion, µm/m-K		19
Thermal Expansion, µm/m-K		19

Otherwise Unclassified Properties

Density, g/cm³		8.2
Density, g/cm³		9.7

Embodied Carbon, kg CO₂/kg material		2.7
Embodied Carbon, kg CO₂/kg material		59

Embodied Energy, MJ/kg		45
Embodied Energy, MJ/kg		930

Common Calculations

Stiffness to Weight: Axial, points		7.4
Stiffness to Weight: Axial, points		4.7

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

Strength to Weight: Axial, points		19 to 21
Strength to Weight: Axial, points		5.1

Strength to Weight: Bending, points		18 to 20
Strength to Weight: Bending, points		7.3

Thermal Shock Resistance, points		19 to 22
Thermal Shock Resistance, points		8.1

Alloy Composition

Cadmium (Cd), %		0
Cadmium (Cd), %		0 to 0.0010

Carbon (C), %		0
Carbon (C), %		0 to 0.0050

Copper (Cu), %		73 to 77
Copper (Cu), %		28.5 to 31.5

Iron (Fe), %		0 to 0.1
Iron (Fe), %		0

Lead (Pb), %		0 to 0.090
Lead (Pb), %		0 to 0.0020

Manganese (Mn), %		0 to 0.1
Manganese (Mn), %		0

Nickel (Ni), %		0 to 0.1
Nickel (Ni), %		0

Phosphorus (P), %		0.040 to 0.15
Phosphorus (P), %		0 to 0.0020

Silicon (Si), %		2.7 to 3.4
Silicon (Si), %		0

Silver (Ag), %		0
Silver (Ag), %		59 to 61

Tin (Sn), %		0 to 0.2
Tin (Sn), %		9.5 to 10.5

Zinc (Zn), %		18.4 to 24.3
Zinc (Zn), %		0 to 0.0010

Residuals, %		0 to 0.5
Residuals, %		0