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Grade 2 Titanium vs. C71000 Copper-nickel

Grade 2 titanium belongs to the titanium alloys classification, while C71000 copper-nickel belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is grade 2 titanium and the bottom bar is C71000 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
130
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 38
49
Tensile Strength: Ultimate (UTS), MPa 420
320 to 560

Thermal Properties

Latent Heat of Fusion, J/g 420
230
Maximum Temperature: Mechanical, °C 320
240
Melting Completion (Liquidus), °C 1660
1200
Melting Onset (Solidus), °C 1610
1150
Specific Heat Capacity, J/kg-K 540
400
Thermal Conductivity, W/m-K 22
43
Thermal Expansion, µm/m-K 9.0
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
6.5
Electrical Conductivity: Equal Weight (Specific), % IACS 7.2
6.6

Otherwise Unclassified Properties

Base Metal Price, % relative 37
37
Density, g/cm3 4.5
8.9
Embodied Carbon, kg CO2/kg material 31
4.3
Embodied Energy, MJ/kg 510
63
Embodied Water, L/kg 110
290

Common Calculations

Stiffness to Weight: Axial, points 13
8.2
Stiffness to Weight: Bending, points 35
19
Strength to Weight: Axial, points 26
10 to 18
Strength to Weight: Bending, points 28
12 to 17
Thermal Diffusivity, mm2/s 8.9
12
Thermal Shock Resistance, points 32
12 to 20

Alloy Composition

Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
73.5 to 80.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
0.5 to 1.0
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
19 to 23
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Titanium (Ti), % 98.9 to 100
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5