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Grade 5 Titanium vs. Nickel 689

Grade 5 titanium belongs to the titanium alloys classification, while nickel 689 belongs to the nickel alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is grade 5 titanium and the bottom bar is nickel 689.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 8.6 to 11
23
Fatigue Strength, MPa 530 to 630
420
Poisson's Ratio 0.32
0.29
Reduction in Area, % 21 to 25
21
Shear Modulus, GPa 40
80
Shear Strength, MPa 600 to 710
790
Tensile Strength: Ultimate (UTS), MPa 1000 to 1190
1250
Tensile Strength: Yield (Proof), MPa 910 to 1110
690

Thermal Properties

Latent Heat of Fusion, J/g 410
330
Maximum Temperature: Mechanical, °C 330
990
Melting Completion (Liquidus), °C 1610
1440
Melting Onset (Solidus), °C 1650
1390
Specific Heat Capacity, J/kg-K 560
450
Thermal Expansion, µm/m-K 8.9
12

Otherwise Unclassified Properties

Base Metal Price, % relative 36
70
Density, g/cm3 4.4
8.5
Embodied Carbon, kg CO2/kg material 38
11
Embodied Energy, MJ/kg 610
150
Embodied Water, L/kg 200
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 110
240
Resilience: Unit (Modulus of Resilience), kJ/m3 3980 to 5880
1170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 62 to 75
41
Strength to Weight: Bending, points 50 to 56
30
Thermal Shock Resistance, points 76 to 91
35

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0.75 to 1.3
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0 to 0.080
0.1 to 0.2
Chromium (Cr), % 0
18 to 20
Cobalt (Co), % 0
9.0 to 11
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0 to 5.0
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0
9.0 to 10.5
Nickel (Ni), % 0
48.3 to 60.9
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 87.4 to 91
2.3 to 2.8
Vanadium (V), % 3.5 to 4.5
0
Yttrium (Y), % 0 to 0.0050
0
Residuals, % 0 to 0.4
0