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Grade C-2 Titanium vs. C77000 Nickel Silver

Grade C-2 titanium belongs to the titanium alloys classification, while C77000 nickel silver belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade C-2 titanium and the bottom bar is C77000 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.32
0.31
Rockwell B Hardness 84
52 to 99
Shear Modulus, GPa 40
46
Tensile Strength: Ultimate (UTS), MPa 390
420 to 800

Thermal Properties

Latent Heat of Fusion, J/g 420
200
Maximum Temperature: Mechanical, °C 320
180
Melting Completion (Liquidus), °C 1660
1050
Melting Onset (Solidus), °C 1610
1000
Specific Heat Capacity, J/kg-K 540
400
Thermal Conductivity, W/m-K 21
29
Thermal Expansion, µm/m-K 8.7
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
5.5
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
6.0

Otherwise Unclassified Properties

Base Metal Price, % relative 37
31
Density, g/cm3 4.5
8.3
Embodied Carbon, kg CO2/kg material 31
4.1
Embodied Energy, MJ/kg 510
63
Embodied Water, L/kg 110
300

Common Calculations

Stiffness to Weight: Axial, points 13
8.1
Stiffness to Weight: Bending, points 35
20
Strength to Weight: Axial, points 24
14 to 27
Strength to Weight: Bending, points 26
15 to 23
Thermal Diffusivity, mm2/s 8.8
8.8
Thermal Shock Resistance, points 30
15 to 28

Alloy Composition

Carbon (C), % 0 to 0.1
0
Copper (Cu), % 0
53.5 to 56.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
0 to 0.25
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.050
16.5 to 19.5
Oxygen (O), % 0 to 0.4
0
Titanium (Ti), % 98.8 to 100
0
Zinc (Zn), % 0
22.7 to 30
Residuals, % 0
0 to 0.5