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Grade 20 Titanium vs. Grade CX2M Nickel

Grade 20 titanium belongs to the titanium alloys classification, while grade CX2M nickel belongs to the nickel alloys. There are 24 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is grade 20 titanium and the bottom bar is grade CX2M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
220
Elongation at Break, % 5.7 to 17
45
Fatigue Strength, MPa 550 to 630
260
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 47
84
Tensile Strength: Ultimate (UTS), MPa 900 to 1270
550
Tensile Strength: Yield (Proof), MPa 850 to 1190
310

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 370
990
Melting Completion (Liquidus), °C 1660
1500
Melting Onset (Solidus), °C 1600
1450
Specific Heat Capacity, J/kg-K 520
430
Thermal Expansion, µm/m-K 9.6
12

Otherwise Unclassified Properties

Density, g/cm3 5.0
8.7
Embodied Carbon, kg CO2/kg material 52
12
Embodied Energy, MJ/kg 860
160
Embodied Water, L/kg 350
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 150
210
Resilience: Unit (Modulus of Resilience), kJ/m3 2940 to 5760
220
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 33
23
Strength to Weight: Axial, points 50 to 70
18
Strength to Weight: Bending, points 41 to 52
17
Thermal Shock Resistance, points 55 to 77
15

Alloy Composition

Aluminum (Al), % 3.0 to 4.0
0
Carbon (C), % 0 to 0.050
0 to 0.020
Chromium (Cr), % 5.5 to 6.5
22 to 24
Hydrogen (H), % 0 to 0.020
0
Iron (Fe), % 0 to 0.3
0 to 1.5
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 3.5 to 4.5
15 to 16.5
Nickel (Ni), % 0
56.4 to 63
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.12
0
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.020
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