AWS BVAu-7 vs. C82800 Copper

AWS BVAu-7 belongs to the otherwise unclassified metals classification, while C82800 copper belongs to the copper alloys. 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 BVAu-7 and the bottom bar is C82800 copper.

AWS BVAu-7 (P00507) Vacuum Service Filler Metal UNS C82800 (Alloy 275C) Beryllium Copper

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		130
Elastic (Young's, Tensile) Modulus, GPa		120

Poisson's Ratio		0.38
Poisson's Ratio		0.33

Shear Modulus, GPa		45
Shear Modulus, GPa		46

Tensile Strength: Ultimate (UTS), MPa		200
Tensile Strength: Ultimate (UTS), MPa		670 to 1140

Thermal Properties

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

Melting Completion (Liquidus), °C		1120
Melting Completion (Liquidus), °C		930

Melting Onset (Solidus), °C		1100
Melting Onset (Solidus), °C		890

Specific Heat Capacity, J/kg-K		240
Specific Heat Capacity, J/kg-K		390

Thermal Expansion, µm/m-K		13
Thermal Expansion, µm/m-K		17

Otherwise Unclassified Properties

Density, g/cm³		15
Density, g/cm³		8.7

Common Calculations

Stiffness to Weight: Axial, points		4.7
Stiffness to Weight: Axial, points		7.8

Stiffness to Weight: Bending, points		11
Stiffness to Weight: Bending, points		19

Strength to Weight: Axial, points		3.7
Strength to Weight: Axial, points		21 to 36

Strength to Weight: Bending, points		5.1
Strength to Weight: Bending, points		20 to 28

Thermal Shock Resistance, points		8.9
Thermal Shock Resistance, points		23 to 39

Alloy Composition

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

Beryllium (Be), %		0
Beryllium (Be), %		2.5 to 2.9

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 0.1

Cobalt (Co), %		0 to 0.060
Cobalt (Co), %		0.15 to 0.7

Copper (Cu), %		0
Copper (Cu), %		94.6 to 97.2

Gold (Au), %		49.5 to 50.5
Gold (Au), %		0

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

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

Nickel (Ni), %		24.5 to 25.5
Nickel (Ni), %		0 to 0.2

Palladium (Pd), %		23.9 to 26
Palladium (Pd), %		0

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

Silicon (Si), %		0
Silicon (Si), %		0.2 to 0.35

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

Titanium (Ti), %		0
Titanium (Ti), %		0 to 0.12

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

Residuals, %		0
Residuals, %		0 to 0.5