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70Ag-30Ni Alloy vs. C78200 Nickel Silver

70Ag-30Ni alloy belongs to the otherwise unclassified metals classification, while C78200 nickel silver belongs to the copper alloys. There are 17 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 70Ag-30Ni alloy and the bottom bar is C78200 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Poisson's Ratio 0.35
0.32
Shear Modulus, GPa 39
43
Tensile Strength: Ultimate (UTS), MPa 320 to 530
370 to 630

Thermal Properties

Latent Heat of Fusion, J/g 170
190
Melting Completion (Liquidus), °C 960
1000
Melting Onset (Solidus), °C 960
970
Specific Heat Capacity, J/kg-K 300
390
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 69
11
Electrical Conductivity: Equal Weight (Specific), % IACS 62
12

Otherwise Unclassified Properties

Density, g/cm3 10
8.4

Common Calculations

Stiffness to Weight: Axial, points 5.8
7.4
Stiffness to Weight: Bending, points 16
19
Strength to Weight: Axial, points 8.8 to 15
12 to 21
Strength to Weight: Bending, points 10 to 15
14 to 19
Thermal Shock Resistance, points 13 to 21
12 to 21

Alloy Composition

Copper (Cu), % 0
63 to 67
Iron (Fe), % 0
0 to 0.35
Lead (Pb), % 0
1.5 to 2.5
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 28.8 to 31
7.0 to 9.0
Silver (Ag), % 69 to 71
0
Zinc (Zn), % 0
20.2 to 28.5
Residuals, % 0
0 to 0.5