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Nickel 690 vs. Grade 17 Titanium

Nickel 690 belongs to the nickel alloys classification, while grade 17 titanium belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is nickel 690 and the bottom bar is grade 17 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 3.4 to 34
27
Fatigue Strength, MPa 180 to 300
160
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 79
38
Shear Strength, MPa 420 to 570
180
Tensile Strength: Ultimate (UTS), MPa 640 to 990
270
Tensile Strength: Yield (Proof), MPa 250 to 760
210

Thermal Properties

Latent Heat of Fusion, J/g 320
420
Maximum Temperature: Mechanical, °C 1010
320
Melting Completion (Liquidus), °C 1380
1660
Melting Onset (Solidus), °C 1340
1610
Specific Heat Capacity, J/kg-K 470
540
Thermal Conductivity, W/m-K 14
23
Thermal Expansion, µm/m-K 14
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
7.3

Otherwise Unclassified Properties

Density, g/cm3 8.3
4.5
Embodied Carbon, kg CO2/kg material 8.2
36
Embodied Energy, MJ/kg 120
600
Embodied Water, L/kg 290
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 170
68
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 1440
220
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 21 to 33
17
Strength to Weight: Bending, points 20 to 27
21
Thermal Diffusivity, mm2/s 3.5
9.3
Thermal Shock Resistance, points 16 to 25
21

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.080
Chromium (Cr), % 27 to 31
0
Copper (Cu), % 0 to 0.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 7.0 to 11
0 to 0.2
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 58 to 66
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.18
Palladium (Pd), % 0
0.040 to 0.080
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
99.015 to 99.96
Residuals, % 0
0 to 0.4