C64800 Bronze vs. AWS BVAg-18

C64800 bronze 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 (13, in this case) are not shown.

For each property being compared, the top bar is C64800 bronze and the bottom bar is AWS BVAg-18.

UNS C64800 Cobalt-Silicon Bronze AWS BVAg-18 (P07607) Vacuum Service Filler Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		120
Elastic (Young's, Tensile) Modulus, GPa		82

Poisson's Ratio		0.34
Poisson's Ratio		0.36

Shear Modulus, GPa		44
Shear Modulus, GPa		30

Tensile Strength: Ultimate (UTS), MPa		640
Tensile Strength: Ultimate (UTS), MPa		180

Thermal Properties

Latent Heat of Fusion, J/g		220
Latent Heat of Fusion, J/g		140

Melting Completion (Liquidus), °C		1090
Melting Completion (Liquidus), °C		720

Melting Onset (Solidus), °C		1030
Melting Onset (Solidus), °C		600

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

Thermal Expansion, µm/m-K		17
Thermal Expansion, µm/m-K		19

Otherwise Unclassified Properties

Density, g/cm³		8.9
Density, g/cm³		9.7

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

Embodied Energy, MJ/kg		43
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		18
Stiffness to Weight: Bending, points		15

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

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

Thermal Shock Resistance, points		23
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

Chromium (Cr), %		0 to 0.090
Chromium (Cr), %		0

Cobalt (Co), %		1.0 to 3.0
Cobalt (Co), %		0

Copper (Cu), %		92.4 to 98.8
Copper (Cu), %		28.5 to 31.5

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

Lead (Pb), %		0 to 0.050
Lead (Pb), %		0 to 0.0020

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

Phosphorus (P), %		0 to 0.5
Phosphorus (P), %		0 to 0.0020

Silicon (Si), %		0.2 to 1.0
Silicon (Si), %		0

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

Tin (Sn), %		0 to 0.5
Tin (Sn), %		9.5 to 10.5

Zinc (Zn), %		0 to 0.5
Zinc (Zn), %		0 to 0.0010

Residuals, %		0 to 0.5
Residuals, %		0