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Nickel 690 vs. Grade 15 Titanium

Nickel 690 belongs to the nickel alloys classification, while grade 15 titanium belongs to the titanium 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 nickel 690 and the bottom bar is grade 15 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 3.4 to 34
20
Fatigue Strength, MPa 180 to 300
290
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 79
41
Shear Strength, MPa 420 to 570
340
Tensile Strength: Ultimate (UTS), MPa 640 to 990
540
Tensile Strength: Yield (Proof), MPa 250 to 760
430

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
21
Thermal Expansion, µm/m-K 14
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 50
37
Density, g/cm3 8.3
4.5
Embodied Carbon, kg CO2/kg material 8.2
32
Embodied Energy, MJ/kg 120
520
Embodied Water, L/kg 290
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 170
100
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 1440
870
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 21 to 33
33
Strength to Weight: Bending, points 20 to 27
33
Thermal Diffusivity, mm2/s 3.5
8.4
Thermal Shock Resistance, points 16 to 25
41

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 0.3
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 58 to 66
0.4 to 0.6
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.25
Ruthenium (Ru), % 0
0.040 to 0.060
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
98.2 to 99.56
Residuals, % 0
0 to 0.4