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Grade 23 Titanium vs. C15500 Copper

Grade 23 titanium belongs to the titanium alloys classification, while C15500 copper 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 23 titanium and the bottom bar is C15500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 6.7 to 11
3.0 to 37
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 40
43
Shear Strength, MPa 540 to 570
190 to 320
Tensile Strength: Ultimate (UTS), MPa 930 to 940
280 to 550
Tensile Strength: Yield (Proof), MPa 850 to 870
130 to 530

Thermal Properties

Latent Heat of Fusion, J/g 410
210
Maximum Temperature: Mechanical, °C 340
200
Melting Completion (Liquidus), °C 1610
1080
Melting Onset (Solidus), °C 1560
1080
Specific Heat Capacity, J/kg-K 560
390
Thermal Conductivity, W/m-K 7.1
350
Thermal Expansion, µm/m-K 9.4
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
90
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
91

Otherwise Unclassified Properties

Base Metal Price, % relative 36
33
Density, g/cm3 4.4
8.9
Embodied Carbon, kg CO2/kg material 38
2.7
Embodied Energy, MJ/kg 610
42
Embodied Water, L/kg 200
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 61 to 100
15 to 84
Resilience: Unit (Modulus of Resilience), kJ/m3 3430 to 3560
72 to 1210
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 35
18
Strength to Weight: Axial, points 58 to 59
8.6 to 17
Strength to Weight: Bending, points 48
11 to 17
Thermal Diffusivity, mm2/s 2.9
100
Thermal Shock Resistance, points 67 to 68
9.8 to 20

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
99.75 to 99.853
Hydrogen (H), % 0 to 0.013
0
Iron (Fe), % 0 to 0.25
0
Magnesium (Mg), % 0
0.080 to 0.13
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.13
0
Phosphorus (P), % 0
0.040 to 0.080
Silver (Ag), % 0
0.027 to 0.1
Titanium (Ti), % 88.1 to 91
0
Vanadium (V), % 3.5 to 4.5
0
Residuals, % 0
0 to 0.2