C96700 Copper vs. AWS BVAg-29

C96700 copper belongs to the copper alloys classification, while AWS BVAg-29 belongs to the otherwise unclassified metals. 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 C96700 copper and the bottom bar is AWS BVAg-29.

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

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.33
Poisson's Ratio		0.37

Shear Modulus, GPa		53
Shear Modulus, GPa		27

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

Thermal Properties

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

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

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

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

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

Otherwise Unclassified Properties

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

Common Calculations

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

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

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

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

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

Alloy Composition

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Residuals, %		0 to 0.5
Residuals, %		0