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Nickel 689 vs. Grade 2 Titanium

Nickel 689 belongs to the nickel alloys classification, while grade 2 titanium belongs to the titanium alloys. There are 28 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 2 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
150
Elastic (Young's, Tensile) Modulus, GPa 210
110
Elongation at Break, % 23
23
Fatigue Strength, MPa 420
250
Poisson's Ratio 0.29
0.32
Reduction in Area, % 21
37
Shear Modulus, GPa 80
38
Shear Strength, MPa 790
270
Tensile Strength: Ultimate (UTS), MPa 1250
420
Tensile Strength: Yield (Proof), MPa 690
360

Thermal Properties

Latent Heat of Fusion, J/g 330
420
Maximum Temperature: Mechanical, °C 990
320
Melting Completion (Liquidus), °C 1440
1660
Melting Onset (Solidus), °C 1390
1610
Specific Heat Capacity, J/kg-K 450
540
Thermal Expansion, µm/m-K 12
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 70
37
Density, g/cm3 8.5
4.5
Embodied Carbon, kg CO2/kg material 11
31
Embodied Energy, MJ/kg 150
510
Embodied Water, L/kg 330
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
92
Resilience: Unit (Modulus of Resilience), kJ/m3 1170
600
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
35
Strength to Weight: Axial, points 41
26
Strength to Weight: Bending, points 30
28
Thermal Shock Resistance, points 35
32

Alloy Composition

Aluminum (Al), % 0.75 to 1.3
0
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 0.3
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 0.25
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 2.3 to 2.8
98.9 to 100
Residuals, % 0
0 to 0.4