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AWS BVAu-7 vs. C77400 Nickel Silver

AWS BVAu-7 belongs to the otherwise unclassified metals classification, while C77400 nickel silver belongs to the copper alloys. 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 BVAu-7 and the bottom bar is C77400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
110
Poisson's Ratio 0.38
0.3
Shear Modulus, GPa 45
42
Tensile Strength: Ultimate (UTS), MPa 200
570

Thermal Properties

Latent Heat of Fusion, J/g 140
170
Melting Completion (Liquidus), °C 1120
810
Melting Onset (Solidus), °C 1100
770
Specific Heat Capacity, J/kg-K 240
390
Thermal Expansion, µm/m-K 13
21

Otherwise Unclassified Properties

Density, g/cm3 15
7.9

Common Calculations

Stiffness to Weight: Axial, points 4.7
7.7
Stiffness to Weight: Bending, points 11
20
Strength to Weight: Axial, points 3.7
20
Strength to Weight: Bending, points 5.1
19
Thermal Shock Resistance, points 8.9
18

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0
Cobalt (Co), % 0 to 0.060
0
Copper (Cu), % 0
43 to 47
Gold (Au), % 49.5 to 50.5
0
Lead (Pb), % 0 to 0.0020
0 to 0.2
Nickel (Ni), % 24.5 to 25.5
9.0 to 11
Palladium (Pd), % 23.9 to 26
0
Phosphorus (P), % 0 to 0.0020
0
Zinc (Zn), % 0 to 0.0010
41.3 to 48
Residuals, % 0
0 to 0.5