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Grade 29 Titanium vs. C18700 Copper

Grade 29 titanium belongs to the titanium alloys classification, while C18700 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is grade 29 titanium and the bottom bar is C18700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 6.8 to 11
9.0 to 9.6
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 40
43
Shear Strength, MPa 550 to 560
170 to 190
Tensile Strength: Ultimate (UTS), MPa 930 to 940
290 to 330
Tensile Strength: Yield (Proof), MPa 850 to 870
230 to 250

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
950
Specific Heat Capacity, J/kg-K 560
380
Thermal Conductivity, W/m-K 7.3
380
Thermal Expansion, µm/m-K 9.3
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
98
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
99

Otherwise Unclassified Properties

Base Metal Price, % relative 36
30
Density, g/cm3 4.5
9.0
Embodied Carbon, kg CO2/kg material 39
2.6
Embodied Energy, MJ/kg 640
41
Embodied Water, L/kg 410
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 62 to 100
24 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 3420 to 3540
240 to 280
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 35
18
Strength to Weight: Axial, points 58 to 59
9.0 to 10
Strength to Weight: Bending, points 47 to 48
11 to 12
Thermal Diffusivity, mm2/s 2.9
110
Thermal Shock Resistance, points 68 to 69
10 to 12

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
98 to 99.2
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0
Lead (Pb), % 0
0.8 to 1.5
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.13
0
Ruthenium (Ru), % 0.080 to 0.14
0
Titanium (Ti), % 88 to 90.9
0
Vanadium (V), % 3.5 to 4.5
0
Residuals, % 0
0 to 0.5