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Grade 9 Titanium vs. Nickel 617

Grade 9 titanium belongs to the titanium alloys classification, while nickel 617 belongs to the nickel alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is grade 9 titanium and the bottom bar is nickel 617.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 11 to 17
40
Fatigue Strength, MPa 330 to 480
220
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
80
Shear Strength, MPa 430 to 580
510
Tensile Strength: Ultimate (UTS), MPa 700 to 960
740
Tensile Strength: Yield (Proof), MPa 540 to 830
280

Thermal Properties

Latent Heat of Fusion, J/g 410
330
Maximum Temperature: Mechanical, °C 330
1010
Melting Completion (Liquidus), °C 1640
1380
Melting Onset (Solidus), °C 1590
1330
Specific Heat Capacity, J/kg-K 550
450
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
75
Density, g/cm3 4.5
8.5
Embodied Carbon, kg CO2/kg material 36
10
Embodied Energy, MJ/kg 580
140
Embodied Water, L/kg 150
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89 to 110
230
Resilience: Unit (Modulus of Resilience), kJ/m3 1380 to 3220
190
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 43 to 60
24
Strength to Weight: Bending, points 39 to 48
21
Thermal Diffusivity, mm2/s 3.3
3.5
Thermal Shock Resistance, points 52 to 71
21

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0.8 to 1.5
Boron (B), % 0
0 to 0.0060
Carbon (C), % 0 to 0.080
0.050 to 0.15
Chromium (Cr), % 0
20 to 24
Cobalt (Co), % 0
10 to 15
Copper (Cu), % 0
0 to 0.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 3.0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0
44.5 to 62
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.15
0
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 92.6 to 95.5
0
Vanadium (V), % 2.0 to 3.0
0
Residuals, % 0 to 0.4
0