AWS BVAg-29 vs. C72150 Copper-nickel

AWS BVAg-29 belongs to the otherwise unclassified metals classification, while C72150 copper-nickel 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 (16, in this case) are not shown.

For each property being compared, the top bar is AWS BVAg-29 and the bottom bar is C72150 copper-nickel.

AWS BVAg-29 (P07627) Vacuum Service Filler Metal UNS C72150 (CuNi44) Copper-Nickel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		73
Elastic (Young's, Tensile) Modulus, GPa		150

Poisson's Ratio		0.37
Poisson's Ratio		0.33

Shear Modulus, GPa		27
Shear Modulus, GPa		55

Tensile Strength: Ultimate (UTS), MPa		180
Tensile Strength: Ultimate (UTS), MPa		490

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		1210

Melting Onset (Solidus), °C		620
Melting Onset (Solidus), °C		1250

Specific Heat Capacity, J/kg-K		270
Specific Heat Capacity, J/kg-K		410

Thermal Expansion, µm/m-K		20
Thermal Expansion, µm/m-K		14

Otherwise Unclassified Properties

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

Common Calculations

Stiffness to Weight: Axial, points		4.2
Stiffness to Weight: Axial, points		9.1

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

Strength to Weight: Axial, points		5.2
Strength to Weight: Axial, points		15

Strength to Weight: Bending, points		7.3
Strength to Weight: Bending, points		15

Thermal Shock Resistance, points		8.8
Thermal Shock Resistance, points		18

Alloy Composition

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

Carbon (C), %		0 to 0.0050
Carbon (C), %		0 to 0.1

Copper (Cu), %		22.5 to 25.5
Copper (Cu), %		52.5 to 57

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

Iron (Fe), %		0
Iron (Fe), %		0 to 0.1

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

Manganese (Mn), %		0
Manganese (Mn), %		0 to 0.050

Nickel (Ni), %		0
Nickel (Ni), %		43 to 46

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

Silicon (Si), %		0
Silicon (Si), %		0 to 0.5

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

Zinc (Zn), %		0 to 0.0010
Zinc (Zn), %		0 to 0.2

Residuals, %		0
Residuals, %		0 to 0.5