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Grade 31 Titanium vs. C14200 Copper

Grade 31 titanium belongs to the titanium alloys classification, while C14200 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is grade 31 titanium and the bottom bar is C14200 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 20
8.0 to 45
Fatigue Strength, MPa 300
76 to 130
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
43
Shear Strength, MPa 320
150 to 200
Tensile Strength: Ultimate (UTS), MPa 510
220 to 370
Tensile Strength: Yield (Proof), MPa 450
75 to 340

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
1030
Specific Heat Capacity, J/kg-K 540
390
Thermal Conductivity, W/m-K 21
190
Thermal Expansion, µm/m-K 8.7
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
45
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
45

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.9
Embodied Carbon, kg CO2/kg material 36
2.6
Embodied Energy, MJ/kg 600
41
Embodied Water, L/kg 230
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
29 to 83
Resilience: Unit (Modulus of Resilience), kJ/m3 940
24 to 500
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 35
18
Strength to Weight: Axial, points 32
6.8 to 11
Strength to Weight: Bending, points 32
9.1 to 13
Thermal Diffusivity, mm2/s 8.5
56
Thermal Shock Resistance, points 39
7.9 to 13

Alloy Composition

Arsenic (As), % 0
0.15 to 0.5
Carbon (C), % 0 to 0.080
0
Cobalt (Co), % 0.2 to 0.8
0
Copper (Cu), % 0
99.4 to 99.835
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.35
0
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
0.015 to 0.040
Titanium (Ti), % 97.9 to 99.76
0
Residuals, % 0 to 0.4
0