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Grade 20 Titanium vs. C70400 Copper-nickel

Grade 20 titanium belongs to the titanium alloys classification, while C70400 copper-nickel belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is grade 20 titanium and the bottom bar is C70400 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 47
45
Tensile Strength: Ultimate (UTS), MPa 900 to 1270
300 to 310
Tensile Strength: Yield (Proof), MPa 850 to 1190
95 to 230

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
1060
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
3.0
Embodied Energy, MJ/kg 860
47
Embodied Water, L/kg 350
300

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 2940 to 5760
38 to 220
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 33
19
Strength to Weight: Axial, points 50 to 70
9.3 to 9.8
Strength to Weight: Bending, points 41 to 52
11 to 12
Thermal Shock Resistance, points 55 to 77
10 to 11

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
89.8 to 93.6
Hydrogen (H), % 0 to 0.020
0
Iron (Fe), % 0 to 0.3
1.3 to 1.7
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0
0.3 to 0.8
Molybdenum (Mo), % 3.5 to 4.5
0
Nickel (Ni), % 0
4.8 to 6.2
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