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C97800 Nickel Silver vs. AWS BAu-2

C97800 nickel silver belongs to the copper alloys classification, while AWS BAu-2 belongs to the otherwise unclassified metals. They have a modest 20% 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 BAu-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
100
Poisson's Ratio 0.33
0.4
Shear Modulus, GPa 48
36
Tensile Strength: Ultimate (UTS), MPa 370
150

Thermal Properties

Latent Heat of Fusion, J/g 220
92
Melting Completion (Liquidus), °C 1180
890
Melting Onset (Solidus), °C 1140
890
Specific Heat Capacity, J/kg-K 390
180
Thermal Expansion, µm/m-K 16
15

Otherwise Unclassified Properties

Density, g/cm3 8.8
17

Common Calculations

Stiffness to Weight: Axial, points 8.1
3.3
Stiffness to Weight: Bending, points 19
9.1
Strength to Weight: Axial, points 12
2.4
Strength to Weight: Bending, points 13
3.6
Thermal Shock Resistance, points 13
7.1

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.2
0
Copper (Cu), % 64 to 67
19.4 to 20.5
Gold (Au), % 0
79.5 to 80.5
Iron (Fe), % 0 to 1.5
0
Lead (Pb), % 1.0 to 2.5
0
Nickel (Ni), % 24 to 27
0
Phosphorus (P), % 0 to 0.050
0
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
Residuals, % 0
0 to 0.15