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Grade 20 Titanium vs. C70600 Copper-nickel

Grade 20 titanium belongs to the titanium alloys classification, while C70600 copper-nickel belongs to the copper alloys. There are 24 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 C70600 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 5.7 to 17
3.0 to 34
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 47
46
Shear Strength, MPa 560 to 740
190 to 330
Tensile Strength: Ultimate (UTS), MPa 900 to 1270
290 to 570
Tensile Strength: Yield (Proof), MPa 850 to 1190
63 to 270

Thermal Properties

Latent Heat of Fusion, J/g 400
220
Maximum Temperature: Mechanical, °C 370
220
Melting Completion (Liquidus), °C 1660
1150
Melting Onset (Solidus), °C 1600
1100
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
3.4
Embodied Energy, MJ/kg 860
51
Embodied Water, L/kg 350
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 150
6.5 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 2940 to 5760
16 to 290
Stiffness to Weight: Axial, points 14
7.7
Stiffness to Weight: Bending, points 33
19
Strength to Weight: Axial, points 50 to 70
9.1 to 18
Strength to Weight: Bending, points 41 to 52
11 to 17
Thermal Shock Resistance, points 55 to 77
9.8 to 19

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
84.7 to 90
Hydrogen (H), % 0 to 0.020
0
Iron (Fe), % 0 to 0.3
1.0 to 1.8
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 3.5 to 4.5
0
Nickel (Ni), % 0
9.0 to 11
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
Zinc (Zn), % 0
0 to 1.0
Zirconium (Zr), % 3.5 to 4.5
0
Residuals, % 0
0 to 0.5

Comparable Variants