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Grade 33 Titanium vs. Nickel 690

Grade 33 titanium belongs to the titanium alloys classification, while nickel 690 belongs to the nickel 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 grade 33 titanium and the bottom bar is nickel 690.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 23
3.4 to 34
Fatigue Strength, MPa 250
180 to 300
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
79
Shear Strength, MPa 240
420 to 570
Tensile Strength: Ultimate (UTS), MPa 390
640 to 990
Tensile Strength: Yield (Proof), MPa 350
250 to 760

Thermal Properties

Latent Heat of Fusion, J/g 420
320
Maximum Temperature: Mechanical, °C 320
1010
Melting Completion (Liquidus), °C 1660
1380
Melting Onset (Solidus), °C 1610
1340
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 21
14
Thermal Expansion, µm/m-K 8.7
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 55
50
Density, g/cm3 4.5
8.3
Embodied Carbon, kg CO2/kg material 33
8.2
Embodied Energy, MJ/kg 530
120
Embodied Water, L/kg 200
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
31 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 590
160 to 1440
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 24
21 to 33
Strength to Weight: Bending, points 26
20 to 27
Thermal Diffusivity, mm2/s 8.7
3.5
Thermal Shock Resistance, points 30
16 to 25

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.050
Chromium (Cr), % 0.1 to 0.2
27 to 31
Copper (Cu), % 0
0 to 0.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
7.0 to 11
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0.35 to 0.55
58 to 66
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Palladium (Pd), % 0.010 to 0.020
0
Ruthenium (Ru), % 0.020 to 0.040
0
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 98.1 to 99.52
0
Residuals, % 0 to 0.4
0