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Grade 27 Titanium vs. C14700 Copper

Grade 27 titanium belongs to the titanium alloys classification, while C14700 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 27 titanium and the bottom bar is C14700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 27
9.1 to 35
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
43
Shear Strength, MPa 180
160 to 190
Tensile Strength: Ultimate (UTS), MPa 270
240 to 320
Tensile Strength: Yield (Proof), MPa 230
85 to 250

Thermal Properties

Latent Heat of Fusion, J/g 420
210
Maximum Temperature: Mechanical, °C 320
200
Melting Completion (Liquidus), °C 1660
1080
Melting Onset (Solidus), °C 1610
1070
Specific Heat Capacity, J/kg-K 540
390
Thermal Conductivity, W/m-K 21
370
Thermal Expansion, µm/m-K 8.7
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
95
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
96

Otherwise Unclassified Properties

Base Metal Price, % relative 37
30
Density, g/cm3 4.5
8.9
Embodied Carbon, kg CO2/kg material 33
2.6
Embodied Energy, MJ/kg 530
41
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70
25 to 65
Resilience: Unit (Modulus of Resilience), kJ/m3 240
31 to 280
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 35
18
Strength to Weight: Axial, points 17
7.3 to 10
Strength to Weight: Bending, points 21
9.5 to 12
Thermal Diffusivity, mm2/s 8.8
110
Thermal Shock Resistance, points 21
8.4 to 12

Alloy Composition

Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
99.395 to 99.798
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0.0020 to 0.0050
Ruthenium (Ru), % 0.080 to 0.14
0
Sulfur (S), % 0
0.2 to 0.5
Titanium (Ti), % 99 to 99.92
0
Residuals, % 0
0 to 0.1