AWS BVAg-29 vs. C96700 Copper

AWS BVAg-29 belongs to the otherwise unclassified metals classification, while C96700 copper belongs to the copper alloys. They have a modest 24% of their average alloy composition in common, which, by itself, doesn't mean much. There are 15 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-29 and the bottom bar is C96700 copper.

AWS BVAg-29 (P07627) Vacuum Service Filler Metal UNS C96700 (Alloy 72C) Nickel-Beryllium Copper

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		73
Elastic (Young's, Tensile) Modulus, GPa		140

Poisson's Ratio		0.37
Poisson's Ratio		0.33

Shear Modulus, GPa		27
Shear Modulus, GPa		53

Tensile Strength: Ultimate (UTS), MPa		180
Tensile Strength: Ultimate (UTS), MPa		1210

Thermal Properties

Latent Heat of Fusion, J/g		120
Latent Heat of Fusion, J/g		250

Melting Completion (Liquidus), °C		710
Melting Completion (Liquidus), °C		1170

Melting Onset (Solidus), °C		620
Melting Onset (Solidus), °C		1110

Specific Heat Capacity, J/kg-K		270
Specific Heat Capacity, J/kg-K		400

Thermal Expansion, µm/m-K		20
Thermal Expansion, µm/m-K		15

Otherwise Unclassified Properties

Density, g/cm³		9.7
Density, g/cm³		8.8

Common Calculations

Stiffness to Weight: Axial, points		4.2
Stiffness to Weight: Axial, points		8.9

Stiffness to Weight: Bending, points		14
Stiffness to Weight: Bending, points		20

Strength to Weight: Axial, points		5.2
Strength to Weight: Axial, points		38

Strength to Weight: Bending, points		7.3
Strength to Weight: Bending, points		29

Thermal Shock Resistance, points		8.8
Thermal Shock Resistance, points		40

Alloy Composition

Beryllium (Be), %		0
Beryllium (Be), %		1.1 to 1.2

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

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

Copper (Cu), %		22.5 to 25.5
Copper (Cu), %		62.4 to 68.8

Indium (In), %		14 to 15
Indium (In), %		0

Iron (Fe), %		0
Iron (Fe), %		0.4 to 1.0

Lead (Pb), %		0 to 0.0020
Lead (Pb), %		0 to 0.010

Manganese (Mn), %		0
Manganese (Mn), %		0.4 to 1.0

Nickel (Ni), %		0
Nickel (Ni), %		29 to 33

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

Silicon (Si), %		0
Silicon (Si), %		0 to 0.15

Silver (Ag), %		60.5 to 62.5
Silver (Ag), %		0

Titanium (Ti), %		0
Titanium (Ti), %		0.15 to 0.35

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

Zirconium (Zr), %		0
Zirconium (Zr), %		0.15 to 0.35

Residuals, %		0
Residuals, %		0 to 0.5