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Grade 20 Titanium vs. CR018A Copper

Grade 20 titanium belongs to the titanium alloys classification, while CR018A copper belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is grade 20 titanium and the bottom bar is CR018A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 5.7 to 17
15
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 47
43
Tensile Strength: Ultimate (UTS), MPa 900 to 1270
220
Tensile Strength: Yield (Proof), MPa 850 to 1190
130

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
1040
Specific Heat Capacity, J/kg-K 520
390
Thermal Expansion, µm/m-K 9.6
17

Otherwise Unclassified Properties

Density, g/cm3 5.0
9.0
Embodied Carbon, kg CO2/kg material 52
2.7
Embodied Energy, MJ/kg 860
42
Embodied Water, L/kg 350
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 150
29
Resilience: Unit (Modulus of Resilience), kJ/m3 2940 to 5760
76
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 33
18
Strength to Weight: Axial, points 50 to 70
6.8
Strength to Weight: Bending, points 41 to 52
9.0
Thermal Shock Resistance, points 55 to 77
7.8

Alloy Composition

Aluminum (Al), % 3.0 to 4.0
0
Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 5.5 to 6.5
0
Copper (Cu), % 0
99.914 to 99.94
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
Silver (Ag), % 0
0.060 to 0.080
Titanium (Ti), % 71 to 77
0
Vanadium (V), % 7.5 to 8.5
0
Zirconium (Zr), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0