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R56401 Titanium vs. Nickel 686

R56401 titanium belongs to the titanium alloys classification, while nickel 686 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 R56401 titanium and the bottom bar is nickel 686.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
220
Elongation at Break, % 9.1
51
Fatigue Strength, MPa 480
410
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
77
Shear Strength, MPa 560
560
Tensile Strength: Ultimate (UTS), MPa 940
780
Tensile Strength: Yield (Proof), MPa 850
350

Thermal Properties

Latent Heat of Fusion, J/g 410
320
Maximum Temperature: Mechanical, °C 340
980
Melting Completion (Liquidus), °C 1610
1380
Melting Onset (Solidus), °C 1560
1340
Specific Heat Capacity, J/kg-K 560
420
Thermal Conductivity, W/m-K 7.1
9.8
Thermal Expansion, µm/m-K 9.6
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 36
70
Density, g/cm3 4.5
9.0
Embodied Carbon, kg CO2/kg material 38
12
Embodied Energy, MJ/kg 610
170
Embodied Water, L/kg 200
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
320
Resilience: Unit (Modulus of Resilience), kJ/m3 3440
280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
22
Strength to Weight: Axial, points 59
24
Strength to Weight: Bending, points 48
21
Thermal Diffusivity, mm2/s 2.9
2.6
Thermal Shock Resistance, points 67
21

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0 to 0.010
Chromium (Cr), % 0
19 to 23
Hydrogen (H), % 0 to 0.012
0
Iron (Fe), % 0 to 0.25
0 to 5.0
Manganese (Mn), % 0
0 to 0.75
Molybdenum (Mo), % 0
15 to 17
Nickel (Ni), % 0
49.5 to 63
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.13
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.080
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 88.5 to 91
0.020 to 0.25
Tungsten (W), % 0
3.0 to 4.4
Vanadium (V), % 3.5 to 4.5
0