AWS BVAg-31 vs. C97800 Nickel Silver

AWS BVAg-31 belongs to the otherwise unclassified metals classification, while C97800 nickel silver belongs to the copper alloys. They have a modest 32% 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-31 and the bottom bar is C97800 nickel silver.

AWS BVAg-31 (P07587) Vacuum Service Filler Metal UNS C97800 Leaded Nickel Silver

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		90
Elastic (Young's, Tensile) Modulus, GPa		130

Poisson's Ratio		0.36
Poisson's Ratio		0.33

Shear Modulus, GPa		33
Shear Modulus, GPa		48

Tensile Strength: Ultimate (UTS), MPa		180
Tensile Strength: Ultimate (UTS), MPa		370

Thermal Properties

Latent Heat of Fusion, J/g		150
Latent Heat of Fusion, J/g		220

Melting Completion (Liquidus), °C		850
Melting Completion (Liquidus), °C		1180

Melting Onset (Solidus), °C		820
Melting Onset (Solidus), °C		1140

Specific Heat Capacity, J/kg-K		280
Specific Heat Capacity, J/kg-K		390

Thermal Expansion, µm/m-K		18
Thermal Expansion, µm/m-K		16

Otherwise Unclassified Properties

Density, g/cm³		10
Density, g/cm³		8.8

Common Calculations

Stiffness to Weight: Axial, points		4.9
Stiffness to Weight: Axial, points		8.1

Stiffness to Weight: Bending, points		15
Stiffness to Weight: Bending, points		19

Strength to Weight: Axial, points		4.9
Strength to Weight: Axial, points		12

Strength to Weight: Bending, points		7.0
Strength to Weight: Bending, points		13

Thermal Shock Resistance, points		7.8
Thermal Shock Resistance, points		13

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0 to 0.0050

Antimony (Sb), %		0
Antimony (Sb), %		0 to 0.2

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

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

Copper (Cu), %		31 to 33
Copper (Cu), %		64 to 67

Iron (Fe), %		0
Iron (Fe), %		0 to 1.5

Lead (Pb), %		0 to 0.0020
Lead (Pb), %		1.0 to 2.5

Nickel (Ni), %		0
Nickel (Ni), %		24 to 27

Palladium (Pd), %		8.0 to 12
Palladium (Pd), %		0

Phosphorus (P), %		0 to 0.0020
Phosphorus (P), %		0 to 0.050

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

Silver (Ag), %		57 to 59
Silver (Ag), %		0

Sulfur (S), %		0
Sulfur (S), %		0 to 0.080

Tin (Sn), %		0
Tin (Sn), %		4.0 to 5.5

Zinc (Zn), %		0 to 0.0010
Zinc (Zn), %		1.0 to 4.0

Residuals, %		0
Residuals, %		0 to 0.4