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Grade 29 Titanium vs. C18400 Copper

Grade 29 titanium belongs to the titanium alloys classification, while C18400 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is grade 29 titanium and the bottom bar is C18400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 6.8 to 11
13 to 50
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 40
44
Shear Strength, MPa 550 to 560
190 to 310
Tensile Strength: Ultimate (UTS), MPa 930 to 940
270 to 490
Tensile Strength: Yield (Proof), MPa 850 to 870
110 to 480

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
1070
Specific Heat Capacity, J/kg-K 560
390
Thermal Conductivity, W/m-K 7.3
320
Thermal Expansion, µm/m-K 9.3
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
80
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
81

Otherwise Unclassified Properties

Base Metal Price, % relative 36
31
Density, g/cm3 4.5
8.9
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
63 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 3420 to 3540
54 to 980
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 35
18
Strength to Weight: Axial, points 58 to 59
8.5 to 15
Strength to Weight: Bending, points 47 to 48
10 to 16
Thermal Diffusivity, mm2/s 2.9
94
Thermal Shock Resistance, points 68 to 69
9.6 to 17

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Arsenic (As), % 0
0 to 0.0050
Calcium (Ca), % 0
0 to 0.0050
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0
0.4 to 1.2
Copper (Cu), % 0
97.2 to 99.6
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.15
Lithium (Li), % 0
0 to 0.050
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.13
0
Phosphorus (P), % 0
0 to 0.050
Ruthenium (Ru), % 0.080 to 0.14
0
Silicon (Si), % 0
0 to 0.1
Titanium (Ti), % 88 to 90.9
0
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
0 to 0.7
Residuals, % 0
0 to 0.5