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Grade 9 Titanium vs. Grade CY40 Nickel

Grade 9 titanium belongs to the titanium alloys classification, while grade CY40 nickel belongs to the nickel alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is grade 9 titanium and the bottom bar is grade CY40 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 11 to 17
34
Fatigue Strength, MPa 330 to 480
160
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
74
Tensile Strength: Ultimate (UTS), MPa 700 to 960
540
Tensile Strength: Yield (Proof), MPa 540 to 830
220

Thermal Properties

Latent Heat of Fusion, J/g 410
330
Maximum Temperature: Mechanical, °C 330
960
Melting Completion (Liquidus), °C 1640
1350
Melting Onset (Solidus), °C 1590
1300
Specific Heat Capacity, J/kg-K 550
470
Thermal Conductivity, W/m-K 8.1
14
Thermal Expansion, µm/m-K 9.1
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 37
55
Density, g/cm3 4.5
8.4
Embodied Carbon, kg CO2/kg material 36
9.1
Embodied Energy, MJ/kg 580
130
Embodied Water, L/kg 150
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89 to 110
150
Resilience: Unit (Modulus of Resilience), kJ/m3 1380 to 3220
130
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 43 to 60
18
Strength to Weight: Bending, points 39 to 48
18
Thermal Diffusivity, mm2/s 3.3
3.7
Thermal Shock Resistance, points 52 to 71
16

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0
Carbon (C), % 0 to 0.080
0 to 0.4
Chromium (Cr), % 0
14 to 17
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 11
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0
67 to 86
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.15
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 3.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 92.6 to 95.5
0
Vanadium (V), % 2.0 to 3.0
0
Residuals, % 0 to 0.4
0