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Titanium 6-6-2 vs. Nickel 617

Titanium 6-6-2 belongs to the titanium alloys classification, while nickel 617 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 titanium 6-6-2 and the bottom bar is nickel 617.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Elongation at Break, % 6.7 to 9.0
40
Fatigue Strength, MPa 590 to 670
220
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 44
80
Shear Strength, MPa 670 to 800
510
Tensile Strength: Ultimate (UTS), MPa 1140 to 1370
740
Tensile Strength: Yield (Proof), MPa 1040 to 1230
280

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 310
1010
Melting Completion (Liquidus), °C 1610
1380
Melting Onset (Solidus), °C 1560
1330
Specific Heat Capacity, J/kg-K 540
450
Thermal Conductivity, W/m-K 5.5
13
Thermal Expansion, µm/m-K 9.4
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.1
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 40
75
Density, g/cm3 4.8
8.5
Embodied Carbon, kg CO2/kg material 29
10
Embodied Energy, MJ/kg 470
140
Embodied Water, L/kg 200
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89 to 99
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 34
23
Strength to Weight: Axial, points 66 to 79
24
Strength to Weight: Bending, points 50 to 57
21
Thermal Diffusivity, mm2/s 2.1
3.5
Thermal Shock Resistance, points 75 to 90
21

Alloy Composition

Aluminum (Al), % 5.0 to 6.0
0.8 to 1.5
Boron (B), % 0
0 to 0.0060
Carbon (C), % 0 to 0.050
0.050 to 0.15
Chromium (Cr), % 0
20 to 24
Cobalt (Co), % 0
10 to 15
Copper (Cu), % 0.35 to 1.0
0 to 0.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0.35 to 1.0
0 to 3.0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 5.0 to 6.0
8.0 to 10
Nickel (Ni), % 0
44.5 to 62
Nitrogen (N), % 0 to 0.040
0
Oxygen (O), % 0 to 0.2
0
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 1.5 to 2.5
0
Titanium (Ti), % 82.8 to 87.8
0
Residuals, % 0 to 0.4
0