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Grade 5 Titanium vs. C72150 Copper-nickel

Grade 5 titanium belongs to the titanium alloys classification, while C72150 copper-nickel belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 grade 5 titanium and the bottom bar is C72150 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
150
Elongation at Break, % 8.6 to 11
29
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
55
Shear Strength, MPa 600 to 710
320
Tensile Strength: Ultimate (UTS), MPa 1000 to 1190
490
Tensile Strength: Yield (Proof), MPa 910 to 1110
210

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 330
600
Melting Completion (Liquidus), °C 1610
1210
Melting Onset (Solidus), °C 1650
1250
Specific Heat Capacity, J/kg-K 560
410
Thermal Conductivity, W/m-K 6.8
22
Thermal Expansion, µm/m-K 8.9
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
3.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
3.6

Otherwise Unclassified Properties

Base Metal Price, % relative 36
45
Density, g/cm3 4.4
8.9
Embodied Carbon, kg CO2/kg material 38
6.1
Embodied Energy, MJ/kg 610
88
Embodied Water, L/kg 200
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 3980 to 5880
150
Stiffness to Weight: Axial, points 13
9.1
Stiffness to Weight: Bending, points 35
20
Strength to Weight: Axial, points 62 to 75
15
Strength to Weight: Bending, points 50 to 56
15
Thermal Diffusivity, mm2/s 2.7
6.0
Thermal Shock Resistance, points 76 to 91
18

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.080
0 to 0.1
Copper (Cu), % 0
52.5 to 57
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 0.050
Nickel (Ni), % 0
43 to 46
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0
Silicon (Si), % 0
0 to 0.5
Titanium (Ti), % 87.4 to 91
0
Vanadium (V), % 3.5 to 4.5
0
Yttrium (Y), % 0 to 0.0050
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.5