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C82800 Copper vs. Grade 18 Titanium

C82800 copper belongs to the copper alloys classification, while grade 18 titanium belongs to the titanium alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C82800 copper and the bottom bar is grade 18 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 1.0 to 20
11 to 17
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 46
40
Tensile Strength: Ultimate (UTS), MPa 670 to 1140
690 to 980
Tensile Strength: Yield (Proof), MPa 380 to 1000
540 to 810

Thermal Properties

Latent Heat of Fusion, J/g 240
410
Maximum Temperature: Mechanical, °C 310
330
Melting Completion (Liquidus), °C 930
1640
Melting Onset (Solidus), °C 890
1590
Specific Heat Capacity, J/kg-K 390
550
Thermal Conductivity, W/m-K 120
8.3
Thermal Expansion, µm/m-K 17
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 19
2.7

Otherwise Unclassified Properties

Density, g/cm3 8.7
4.5
Embodied Carbon, kg CO2/kg material 12
41
Embodied Energy, MJ/kg 190
670
Embodied Water, L/kg 310
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 110
87 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 590 to 4080
1380 to 3110
Stiffness to Weight: Axial, points 7.8
13
Stiffness to Weight: Bending, points 19
35
Strength to Weight: Axial, points 21 to 36
43 to 61
Strength to Weight: Bending, points 20 to 28
39 to 49
Thermal Diffusivity, mm2/s 36
3.4
Thermal Shock Resistance, points 23 to 39
47 to 67

Alloy Composition

Aluminum (Al), % 0 to 0.15
2.5 to 3.5
Beryllium (Be), % 2.5 to 2.9
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0 to 0.1
0
Cobalt (Co), % 0.15 to 0.7
0
Copper (Cu), % 94.6 to 97.2
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.25
0 to 0.25
Lead (Pb), % 0 to 0.020
0
Nickel (Ni), % 0 to 0.2
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.15
Palladium (Pd), % 0
0.040 to 0.080
Silicon (Si), % 0.2 to 0.35
0
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.12
92.5 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0
0 to 0.4