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Grade 20 Titanium vs. C81400 Copper

Grade 20 titanium belongs to the titanium alloys classification, while C81400 copper belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is grade 20 titanium and the bottom bar is C81400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 5.7 to 17
11
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 47
41
Tensile Strength: Ultimate (UTS), MPa 900 to 1270
370
Tensile Strength: Yield (Proof), MPa 850 to 1190
250

Thermal Properties

Latent Heat of Fusion, J/g 400
210
Maximum Temperature: Mechanical, °C 370
200
Melting Completion (Liquidus), °C 1660
1090
Melting Onset (Solidus), °C 1600
1070
Specific Heat Capacity, J/kg-K 520
390
Thermal Expansion, µm/m-K 9.6
17

Otherwise Unclassified Properties

Density, g/cm3 5.0
8.9
Embodied Carbon, kg CO2/kg material 52
2.8
Embodied Energy, MJ/kg 860
45
Embodied Water, L/kg 350
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 150
36
Resilience: Unit (Modulus of Resilience), kJ/m3 2940 to 5760
260
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 33
18
Strength to Weight: Axial, points 50 to 70
11
Strength to Weight: Bending, points 41 to 52
13
Thermal Shock Resistance, points 55 to 77
13

Alloy Composition

Aluminum (Al), % 3.0 to 4.0
0
Beryllium (Be), % 0
0.020 to 0.1
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 5.5 to 6.5
0.6 to 1.0
Copper (Cu), % 0
98.4 to 99.38
Hydrogen (H), % 0 to 0.020
0
Iron (Fe), % 0 to 0.3
0
Molybdenum (Mo), % 3.5 to 4.5
0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.12
0
Palladium (Pd), % 0.040 to 0.080
0
Titanium (Ti), % 71 to 77
0
Vanadium (V), % 7.5 to 8.5
0
Zirconium (Zr), % 3.5 to 4.5
0
Residuals, % 0
0 to 0.5