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Grade 9 Titanium vs. N07752 Nickel

Grade 9 titanium belongs to the titanium alloys classification, while N07752 nickel belongs to the nickel alloys.

For each property being compared, the top bar is grade 9 titanium and the bottom bar is N07752 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 11 to 17
22
Fatigue Strength, MPa 330 to 480
450
Poisson's Ratio 0.32
0.29
Reduction in Area, % 28
23
Shear Modulus, GPa 40
73
Shear Strength, MPa 430 to 580
710
Tensile Strength: Ultimate (UTS), MPa 700 to 960
1120
Tensile Strength: Yield (Proof), MPa 540 to 830
740

Thermal Properties

Latent Heat of Fusion, J/g 410
310
Maximum Temperature: Mechanical, °C 330
960
Melting Completion (Liquidus), °C 1640
1380
Melting Onset (Solidus), °C 1590
1330
Specific Heat Capacity, J/kg-K 550
460
Thermal Conductivity, W/m-K 8.1
13
Thermal Expansion, µm/m-K 9.1
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 37
60
Density, g/cm3 4.5
8.4
Embodied Carbon, kg CO2/kg material 36
10
Embodied Energy, MJ/kg 580
150
Embodied Water, L/kg 150
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89 to 110
220
Resilience: Unit (Modulus of Resilience), kJ/m3 1380 to 3220
1450
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 43 to 60
37
Strength to Weight: Bending, points 39 to 48
29
Thermal Diffusivity, mm2/s 3.3
3.2
Thermal Shock Resistance, points 52 to 71
34

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0.4 to 1.0
Boron (B), % 0
0 to 0.0070
Carbon (C), % 0 to 0.080
0.020 to 0.060
Chromium (Cr), % 0
14.5 to 17
Cobalt (Co), % 0
0 to 0.050
Copper (Cu), % 0
0 to 0.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
5.0 to 9.0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
70 to 77.1
Niobium (Nb), % 0
0.7 to 1.2
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.15
0
Phosphorus (P), % 0
0 to 0.0080
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.0030
Titanium (Ti), % 92.6 to 95.5
2.3 to 2.8
Vanadium (V), % 2.0 to 3.0
0 to 0.1
Zinc (Zn), % 0
0 to 0.050
Residuals, % 0 to 0.4
0