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C74000 Nickel Silver vs. ASTM B628 Ag-Cu

C74000 nickel silver belongs to the copper alloys classification, while ASTM B628 Ag-Cu belongs to the otherwise unclassified metals. They have a modest 28% of their average alloy composition in common, which, by itself, doesn't mean much. There are 17 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C74000 nickel silver and the bottom bar is ASTM B628 Ag-Cu.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
83
Poisson's Ratio 0.32
0.36
Shear Modulus, GPa 44
31
Tensile Strength: Ultimate (UTS), MPa 380 to 590
350 to 760

Thermal Properties

Latent Heat of Fusion, J/g 200
140
Melting Completion (Liquidus), °C 990
780
Melting Onset (Solidus), °C 950
780
Specific Heat Capacity, J/kg-K 390
280
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
84
Electrical Conductivity: Equal Weight (Specific), % IACS 42
75

Otherwise Unclassified Properties

Density, g/cm3 8.5
10

Common Calculations

Stiffness to Weight: Axial, points 7.7
4.6
Stiffness to Weight: Bending, points 19
14
Strength to Weight: Axial, points 13 to 19
9.5 to 21
Strength to Weight: Bending, points 14 to 18
11 to 18
Thermal Shock Resistance, points 13 to 19
16 to 34

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Cadmium (Cd), % 0
0 to 0.050
Copper (Cu), % 69 to 73.5
26.6 to 29
Iron (Fe), % 0 to 0.25
0 to 0.050
Lead (Pb), % 0 to 0.1
0 to 0.030
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 9.0 to 11
0 to 0.010
Phosphorus (P), % 0
0 to 0.030
Silver (Ag), % 0
71 to 73
Zinc (Zn), % 14.2 to 22
0 to 0.060
Residuals, % 0
0 to 0.21