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Nickel 689 vs. Grade 29 Titanium

Nickel 689 belongs to the nickel alloys classification, while grade 29 titanium belongs to the titanium alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is nickel 689 and the bottom bar is grade 29 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
110
Elongation at Break, % 23
6.8 to 11
Fatigue Strength, MPa 420
460 to 510
Poisson's Ratio 0.29
0.32
Reduction in Area, % 21
17
Shear Modulus, GPa 80
40
Shear Strength, MPa 790
550 to 560
Tensile Strength: Ultimate (UTS), MPa 1250
930 to 940
Tensile Strength: Yield (Proof), MPa 690
850 to 870

Thermal Properties

Latent Heat of Fusion, J/g 330
410
Maximum Temperature: Mechanical, °C 990
340
Melting Completion (Liquidus), °C 1440
1610
Melting Onset (Solidus), °C 1390
1560
Specific Heat Capacity, J/kg-K 450
560
Thermal Expansion, µm/m-K 12
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 70
36
Density, g/cm3 8.5
4.5
Embodied Carbon, kg CO2/kg material 11
39
Embodied Energy, MJ/kg 150
640
Embodied Water, L/kg 330
410

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
62 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 1170
3420 to 3540
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
35
Strength to Weight: Axial, points 41
58 to 59
Strength to Weight: Bending, points 30
47 to 48
Thermal Shock Resistance, points 35
68 to 69

Alloy Composition

Aluminum (Al), % 0.75 to 1.3
5.5 to 6.5
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0.1 to 0.2
0 to 0.080
Chromium (Cr), % 18 to 20
0
Cobalt (Co), % 9.0 to 11
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 5.0
0 to 0.25
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 9.0 to 10.5
0
Nickel (Ni), % 48.3 to 60.9
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.13
Phosphorus (P), % 0 to 0.015
0
Ruthenium (Ru), % 0
0.080 to 0.14
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 2.3 to 2.8
88 to 90.9
Vanadium (V), % 0
3.5 to 4.5
Residuals, % 0
0 to 0.4