MakeItFrom.com
Menu (ESC)

Grade 9 Titanium vs. Nickel 718

Grade 9 titanium belongs to the titanium alloys classification, while nickel 718 belongs to the nickel alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is grade 9 titanium and the bottom bar is nickel 718.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 11 to 17
12 to 50
Fatigue Strength, MPa 330 to 480
460 to 760
Poisson's Ratio 0.32
0.29
Reduction in Area, % 28
34 to 64
Shear Modulus, GPa 40
75
Shear Strength, MPa 430 to 580
660 to 950
Tensile Strength: Ultimate (UTS), MPa 700 to 960
930 to 1530
Tensile Strength: Yield (Proof), MPa 540 to 830
510 to 1330

Thermal Properties

Latent Heat of Fusion, J/g 410
310
Maximum Temperature: Mechanical, °C 330
980
Melting Completion (Liquidus), °C 1640
1340
Melting Onset (Solidus), °C 1590
1260
Specific Heat Capacity, J/kg-K 550
450
Thermal Conductivity, W/m-K 8.1
11
Thermal Expansion, µm/m-K 9.1
13

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
75
Density, g/cm3 4.5
8.3
Embodied Carbon, kg CO2/kg material 36
13
Embodied Energy, MJ/kg 580
190
Embodied Water, L/kg 150
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89 to 110
140 to 390
Resilience: Unit (Modulus of Resilience), kJ/m3 1380 to 3220
660 to 4560
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 43 to 60
31 to 51
Strength to Weight: Bending, points 39 to 48
25 to 35
Thermal Diffusivity, mm2/s 3.3
3.0
Thermal Shock Resistance, points 52 to 71
27 to 44

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0.2 to 0.8
Boron (B), % 0
0 to 0.0060
Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 0
17 to 21
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0
0 to 0.3
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
11.1 to 24.6
Manganese (Mn), % 0
0 to 0.35
Molybdenum (Mo), % 0
2.8 to 3.3
Nickel (Ni), % 0
50 to 55
Niobium (Nb), % 0
4.8 to 5.5
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.15
0
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 0.35
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 92.6 to 95.5
0.65 to 1.2
Vanadium (V), % 2.0 to 3.0
0
Residuals, % 0 to 0.4
0