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C97800 Nickel Silver vs. AWS BVAu-7

C97800 nickel silver belongs to the copper alloys classification, while AWS BVAu-7 belongs to the otherwise unclassified metals. They have a modest 25% 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 C97800 nickel silver and the bottom bar is AWS BVAu-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
130
Poisson's Ratio 0.33
0.38
Shear Modulus, GPa 48
45
Tensile Strength: Ultimate (UTS), MPa 370
200

Thermal Properties

Latent Heat of Fusion, J/g 220
140
Melting Completion (Liquidus), °C 1180
1120
Melting Onset (Solidus), °C 1140
1100
Specific Heat Capacity, J/kg-K 390
240
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Density, g/cm3 8.8
15

Common Calculations

Stiffness to Weight: Axial, points 8.1
4.7
Stiffness to Weight: Bending, points 19
11
Strength to Weight: Axial, points 12
3.7
Strength to Weight: Bending, points 13
5.1
Thermal Shock Resistance, points 13
8.9

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.2
0
Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0
0 to 0.0050
Cobalt (Co), % 0
0 to 0.060
Copper (Cu), % 64 to 67
0
Gold (Au), % 0
49.5 to 50.5
Iron (Fe), % 0 to 1.5
0
Lead (Pb), % 1.0 to 2.5
0 to 0.0020
Nickel (Ni), % 24 to 27
24.5 to 25.5
Palladium (Pd), % 0
23.9 to 26
Phosphorus (P), % 0 to 0.050
0 to 0.0020
Silicon (Si), % 0 to 0.15
0
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 4.0 to 5.5
0
Zinc (Zn), % 1.0 to 4.0
0 to 0.0010
Residuals, % 0 to 0.4
0