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Grade 5 Titanium vs. C18600 Copper

Grade 5 titanium belongs to the titanium alloys classification, while C18600 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. 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 5 titanium and the bottom bar is C18600 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 8.6 to 11
8.0 to 11
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 40
44
Shear Strength, MPa 600 to 710
310 to 340
Tensile Strength: Ultimate (UTS), MPa 1000 to 1190
520 to 580
Tensile Strength: Yield (Proof), MPa 910 to 1110
500 to 520

Thermal Properties

Latent Heat of Fusion, J/g 410
210
Maximum Temperature: Mechanical, °C 330
200
Melting Completion (Liquidus), °C 1610
1090
Melting Onset (Solidus), °C 1650
1070
Specific Heat Capacity, J/kg-K 560
390
Thermal Conductivity, W/m-K 6.8
280
Thermal Expansion, µm/m-K 8.9
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
70
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
71

Otherwise Unclassified Properties

Base Metal Price, % relative 36
31
Density, g/cm3 4.4
8.9
Embodied Carbon, kg CO2/kg material 38
2.9
Embodied Energy, MJ/kg 610
46
Embodied Water, L/kg 200
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 110
44 to 58
Resilience: Unit (Modulus of Resilience), kJ/m3 3980 to 5880
1060 to 1180
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 35
18
Strength to Weight: Axial, points 62 to 75
16 to 18
Strength to Weight: Bending, points 50 to 56
16 to 17
Thermal Diffusivity, mm2/s 2.7
81
Thermal Shock Resistance, points 76 to 91
19 to 20

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0
0.1 to 1.0
Cobalt (Co), % 0
0 to 0.1
Copper (Cu), % 0
96.5 to 99.55
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0.25 to 0.8
Nickel (Ni), % 0
0 to 0.25
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0
Titanium (Ti), % 87.4 to 91
0.050 to 0.5
Vanadium (V), % 3.5 to 4.5
0
Yttrium (Y), % 0 to 0.0050
0
Zirconium (Zr), % 0
0.050 to 0.4
Residuals, % 0
0 to 0.5