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R56401 Titanium vs. Nickel 690

R56401 titanium belongs to the titanium alloys classification, while nickel 690 belongs to the nickel alloys. There are 30 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 690.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 9.1
3.4 to 34
Fatigue Strength, MPa 480
180 to 300
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
79
Shear Strength, MPa 560
420 to 570
Tensile Strength: Ultimate (UTS), MPa 940
640 to 990
Tensile Strength: Yield (Proof), MPa 850
250 to 760

Thermal Properties

Latent Heat of Fusion, J/g 410
320
Maximum Temperature: Mechanical, °C 340
1010
Melting Completion (Liquidus), °C 1610
1380
Melting Onset (Solidus), °C 1560
1340
Specific Heat Capacity, J/kg-K 560
470
Thermal Conductivity, W/m-K 7.1
14
Thermal Expansion, µm/m-K 9.6
14

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
50
Density, g/cm3 4.5
8.3
Embodied Carbon, kg CO2/kg material 38
8.2
Embodied Energy, MJ/kg 610
120
Embodied Water, L/kg 200
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
31 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 3440
160 to 1440
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 59
21 to 33
Strength to Weight: Bending, points 48
20 to 27
Thermal Diffusivity, mm2/s 2.9
3.5
Thermal Shock Resistance, points 67
16 to 25

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0 to 0.050
Chromium (Cr), % 0
27 to 31
Copper (Cu), % 0
0 to 0.5
Hydrogen (H), % 0 to 0.012
0
Iron (Fe), % 0 to 0.25
7.0 to 11
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
58 to 66
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.13
0
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 88.5 to 91
0
Vanadium (V), % 3.5 to 4.5
0