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Grade 2 Titanium vs. C72800 Copper-nickel

Grade 2 titanium belongs to the titanium alloys classification, while C72800 copper-nickel belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is grade 2 titanium and the bottom bar is C72800 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 23
3.9 to 23
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 38
44
Shear Strength, MPa 270
330 to 740
Tensile Strength: Ultimate (UTS), MPa 420
520 to 1270
Tensile Strength: Yield (Proof), MPa 360
250 to 1210

Thermal Properties

Latent Heat of Fusion, J/g 420
210
Maximum Temperature: Mechanical, °C 320
200
Melting Completion (Liquidus), °C 1660
1080
Melting Onset (Solidus), °C 1610
920
Specific Heat Capacity, J/kg-K 540
380
Thermal Conductivity, W/m-K 22
55
Thermal Expansion, µm/m-K 9.0
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
11
Electrical Conductivity: Equal Weight (Specific), % IACS 7.2
11

Otherwise Unclassified Properties

Base Metal Price, % relative 37
38
Density, g/cm3 4.5
8.8
Embodied Carbon, kg CO2/kg material 31
4.4
Embodied Energy, MJ/kg 510
68
Embodied Water, L/kg 110
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
37 to 99
Resilience: Unit (Modulus of Resilience), kJ/m3 600
260 to 5650
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 35
19
Strength to Weight: Axial, points 26
17 to 40
Strength to Weight: Bending, points 28
16 to 30
Thermal Diffusivity, mm2/s 8.9
17
Thermal Shock Resistance, points 32
19 to 45

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Antimony (Sb), % 0
0 to 0.020
Bismuth (Bi), % 0
0 to 0.0010
Boron (B), % 0
0 to 0.0010
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
78.3 to 82.8
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
0 to 0.5
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0
0.0050 to 0.15
Manganese (Mn), % 0
0.050 to 0.3
Nickel (Ni), % 0
9.5 to 10.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0
0 to 0.0050
Silicon (Si), % 0
0 to 0.050
Sulfur (S), % 0
0 to 0.0025
Tin (Sn), % 0
7.5 to 8.5
Titanium (Ti), % 98.9 to 100
0 to 0.010
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.3