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70Ag-30Ni Alloy vs. Grade C-3 Titanium

70Ag-30Ni alloy belongs to the otherwise unclassified metals classification, while grade C-3 titanium belongs to the titanium 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. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is 70Ag-30Ni alloy and the bottom bar is grade C-3 titanium.

70-Silver 30-Nickel Electrical Contact AlloyGrade C-3 Cast Titanium
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
40
Tensile Strength: Ultimate (UTS), MPa 320 to 530
500

Thermal Properties

Latent Heat of Fusion, J/g 170
420
Melting Completion (Liquidus), °C 960
1660
Melting Onset (Solidus), °C 960
1610
Specific Heat Capacity, J/kg-K 300
540
Thermal Expansion, µm/m-K 17
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 69
3.5
Electrical Conductivity: Equal Weight (Specific), % IACS 62
6.9

Otherwise Unclassified Properties

Density, g/cm3 10
4.5

Common Calculations

Stiffness to Weight: Axial, points 5.8
13
Stiffness to Weight: Bending, points 16
35
Strength to Weight: Axial, points 8.8 to 15
31
Strength to Weight: Bending, points 10 to 15
31
Thermal Shock Resistance, points 13 to 21
39

Alloy Composition

Carbon (C), % 0
0 to 0.1
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0
0 to 0.25
Nickel (Ni), % 28.8 to 31
0 to 0.050
Oxygen (O), % 0
0 to 0.4
Silver (Ag), % 69 to 71
0
Titanium (Ti), % 0
98.8 to 100
Residuals, % 0
0 to 0.4