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Grade 20 Titanium vs. C72900 Copper-nickel

Grade 20 titanium belongs to the titanium alloys classification, while C72900 copper-nickel belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade 20 titanium and the bottom bar is C72900 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 5.7 to 17
6.0 to 20
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 47
45
Shear Strength, MPa 560 to 740
540 to 630
Tensile Strength: Ultimate (UTS), MPa 900 to 1270
870 to 1080
Tensile Strength: Yield (Proof), MPa 850 to 1190
700 to 920

Thermal Properties

Latent Heat of Fusion, J/g 400
210
Maximum Temperature: Mechanical, °C 370
210
Melting Completion (Liquidus), °C 1660
1120
Melting Onset (Solidus), °C 1600
950
Specific Heat Capacity, J/kg-K 520
380
Thermal Expansion, µm/m-K 9.6
17

Otherwise Unclassified Properties

Density, g/cm3 5.0
8.8
Embodied Carbon, kg CO2/kg material 52
4.6
Embodied Energy, MJ/kg 860
72
Embodied Water, L/kg 350
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 150
49 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 2940 to 5760
2030 to 3490
Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 33
19
Strength to Weight: Axial, points 50 to 70
27 to 34
Strength to Weight: Bending, points 41 to 52
23 to 27
Thermal Shock Resistance, points 55 to 77
31 to 38

Alloy Composition

Aluminum (Al), % 3.0 to 4.0
0
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 5.5 to 6.5
0
Copper (Cu), % 0
74.1 to 78
Hydrogen (H), % 0 to 0.020
0
Iron (Fe), % 0 to 0.3
0 to 0.5
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 0
0 to 0.15
Manganese (Mn), % 0
0 to 0.3
Molybdenum (Mo), % 3.5 to 4.5
0
Nickel (Ni), % 0
14.5 to 15.5
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.12
0
Palladium (Pd), % 0.040 to 0.080
0
Tin (Sn), % 0
7.5 to 8.5
Titanium (Ti), % 71 to 77
0
Vanadium (V), % 7.5 to 8.5
0
Zinc (Zn), % 0
0 to 0.5
Zirconium (Zr), % 3.5 to 4.5
0
Residuals, % 0
0 to 0.3

Comparable Variants