AWS BVAg-29 vs. C82700 Copper

AWS BVAg-29 belongs to the otherwise unclassified metals classification, while C82700 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 (14, in this case) are not shown.

For each property being compared, the top bar is AWS BVAg-29 and the bottom bar is C82700 copper.

AWS BVAg-29 (P07627) Vacuum Service Filler Metal UNS C82700 Beryllium-Nickel Copper

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		73
Elastic (Young's, Tensile) Modulus, GPa		120

Poisson's Ratio		0.37
Poisson's Ratio		0.33

Shear Modulus, GPa		27
Shear Modulus, GPa		46

Tensile Strength: Ultimate (UTS), MPa		180
Tensile Strength: Ultimate (UTS), MPa		1200

Thermal Properties

Latent Heat of Fusion, J/g		120
Latent Heat of Fusion, J/g		240

Melting Completion (Liquidus), °C		710
Melting Completion (Liquidus), °C		950

Melting Onset (Solidus), °C		620
Melting Onset (Solidus), °C		860

Specific Heat Capacity, J/kg-K		270
Specific Heat Capacity, J/kg-K		380

Thermal Expansion, µm/m-K		20
Thermal Expansion, µm/m-K		17

Otherwise Unclassified Properties

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

Common Calculations

Stiffness to Weight: Axial, points		4.2
Stiffness to Weight: Axial, points		7.8

Stiffness to Weight: Bending, points		14
Stiffness to Weight: Bending, points		19

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		41

Alloy Composition

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

Beryllium (Be), %		0
Beryllium (Be), %		2.4 to 2.6

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

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

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

Copper (Cu), %		22.5 to 25.5
Copper (Cu), %		94.6 to 96.7

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

Iron (Fe), %		0
Iron (Fe), %		0 to 0.25

Lead (Pb), %		0 to 0.0020
Lead (Pb), %		0 to 0.020

Nickel (Ni), %		0
Nickel (Ni), %		1.0 to 1.5

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

Tin (Sn), %		0
Tin (Sn), %		0 to 0.1

Zinc (Zn), %		0 to 0.0010
Zinc (Zn), %		0 to 0.1

Residuals, %		0
Residuals, %		0 to 0.5