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R56401 Titanium vs. Nickel 725

R56401 titanium belongs to the titanium alloys classification, while nickel 725 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 R56401 titanium and the bottom bar is nickel 725.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 9.1
34
Fatigue Strength, MPa 480
260
Poisson's Ratio 0.32
0.29
Reduction in Area, % 17
45
Shear Modulus, GPa 40
78
Shear Strength, MPa 560
580
Tensile Strength: Ultimate (UTS), MPa 940
860
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
1340
Melting Onset (Solidus), °C 1560
1270
Specific Heat Capacity, J/kg-K 560
440
Thermal Expansion, µm/m-K 9.6
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 36
75
Density, g/cm3 4.5
8.5
Embodied Carbon, kg CO2/kg material 38
13
Embodied Energy, MJ/kg 610
190
Embodied Water, L/kg 200
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
240
Resilience: Unit (Modulus of Resilience), kJ/m3 3440
300
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 59
28
Strength to Weight: Bending, points 48
24
Thermal Shock Resistance, points 67
23

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0 to 0.35
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 0
19 to 22.5
Hydrogen (H), % 0 to 0.012
0
Iron (Fe), % 0 to 0.25
2.3 to 15.3
Manganese (Mn), % 0
0 to 0.35
Molybdenum (Mo), % 0
7.0 to 9.5
Nickel (Ni), % 0
55 to 59
Niobium (Nb), % 0
2.8 to 4.0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.13
0
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 0.2
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 88.5 to 91
1.0 to 1.7
Vanadium (V), % 3.5 to 4.5
0