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Grade 18 Titanium vs. C82400 Copper

Grade 18 titanium belongs to the titanium alloys classification, while C82400 copper belongs to the copper alloys. There are 27 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 18 titanium and the bottom bar is C82400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 11 to 17
1.0 to 20
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
45
Tensile Strength: Ultimate (UTS), MPa 690 to 980
500 to 1030
Tensile Strength: Yield (Proof), MPa 540 to 810
260 to 970

Thermal Properties

Latent Heat of Fusion, J/g 410
230
Maximum Temperature: Mechanical, °C 330
270
Melting Completion (Liquidus), °C 1640
1000
Melting Onset (Solidus), °C 1590
900
Specific Heat Capacity, J/kg-K 550
380
Thermal Conductivity, W/m-K 8.3
130
Thermal Expansion, µm/m-K 9.9
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
25
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
26

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.8
Embodied Carbon, kg CO2/kg material 41
8.9
Embodied Energy, MJ/kg 670
140
Embodied Water, L/kg 270
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 110
10 to 83
Resilience: Unit (Modulus of Resilience), kJ/m3 1380 to 3110
270 to 3870
Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 35
19
Strength to Weight: Axial, points 43 to 61
16 to 33
Strength to Weight: Bending, points 39 to 49
16 to 26
Thermal Diffusivity, mm2/s 3.4
39
Thermal Shock Resistance, points 47 to 67
17 to 36

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0 to 0.15
Beryllium (Be), % 0
1.6 to 1.9
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0
0 to 0.1
Cobalt (Co), % 0
0.2 to 0.65
Copper (Cu), % 0
96 to 98.2
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.2
Lead (Pb), % 0
0 to 0.020
Nickel (Ni), % 0
0 to 0.2
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.15
0
Palladium (Pd), % 0.040 to 0.080
0
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 92.5 to 95.5
0 to 0.12
Vanadium (V), % 2.0 to 3.0
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0 to 0.4
0 to 0.5