AWS BVAg-18 vs. C90900 Bronze

AWS BVAg-18 belongs to the otherwise unclassified metals classification, while C90900 bronze belongs to the copper alloys. They have 40% 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 AWS BVAg-18 and the bottom bar is C90900 bronze.

AWS BVAg-18 (P07607) Vacuum Service Filler Metal UNS C90900 Tin Bronze

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.36
Poisson's Ratio		0.34

Shear Modulus, GPa		30
Shear Modulus, GPa		40

Tensile Strength: Ultimate (UTS), MPa		180
Tensile Strength: Ultimate (UTS), MPa		280

Thermal Properties

Latent Heat of Fusion, J/g		140
Latent Heat of Fusion, J/g		190

Melting Completion (Liquidus), °C		720
Melting Completion (Liquidus), °C		980

Melting Onset (Solidus), °C		600
Melting Onset (Solidus), °C		820

Specific Heat Capacity, J/kg-K		280
Specific Heat Capacity, J/kg-K		360

Thermal Expansion, µm/m-K		19
Thermal Expansion, µm/m-K		18

Otherwise Unclassified Properties

Density, g/cm³		9.7
Density, g/cm³		8.7

Embodied Carbon, kg CO₂/kg material		59
Embodied Carbon, kg CO₂/kg material		3.9

Embodied Energy, MJ/kg		930
Embodied Energy, MJ/kg		64

Common Calculations

Stiffness to Weight: Axial, points		4.7
Stiffness to Weight: Axial, points		6.8

Stiffness to Weight: Bending, points		15
Stiffness to Weight: Bending, points		18

Strength to Weight: Axial, points		5.1
Strength to Weight: Axial, points		8.8

Strength to Weight: Bending, points		7.3
Strength to Weight: Bending, points		11

Thermal Shock Resistance, points		8.1
Thermal Shock Resistance, points		10

Alloy Composition

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

Antimony (Sb), %		0
Antimony (Sb), %		0 to 0.2

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

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

Copper (Cu), %		28.5 to 31.5
Copper (Cu), %		86 to 89

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

Lead (Pb), %		0 to 0.0020
Lead (Pb), %		0 to 0.25

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

Phosphorus (P), %		0 to 0.0020
Phosphorus (P), %		0 to 0.050

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

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

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

Tin (Sn), %		9.5 to 10.5
Tin (Sn), %		12 to 14

Zinc (Zn), %		0 to 0.0010
Zinc (Zn), %		0 to 0.25

Residuals, %		0
Residuals, %		0 to 0.6