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Grade 33 Titanium vs. Grade 23 Titanium

Both grade 33 titanium and grade 23 titanium are titanium alloys. They have a moderately high 90% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is grade 33 titanium and the bottom bar is grade 23 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 23
6.7 to 11
Fatigue Strength, MPa 250
470 to 500
Poisson's Ratio 0.32
0.32
Reduction in Area, % 34
30
Shear Modulus, GPa 41
40
Shear Strength, MPa 240
540 to 570
Tensile Strength: Ultimate (UTS), MPa 390
930 to 940
Tensile Strength: Yield (Proof), MPa 350
850 to 870

Thermal Properties

Latent Heat of Fusion, J/g 420
410
Maximum Temperature: Mechanical, °C 320
340
Melting Completion (Liquidus), °C 1660
1610
Melting Onset (Solidus), °C 1610
1560
Specific Heat Capacity, J/kg-K 540
560
Thermal Conductivity, W/m-K 21
7.1
Thermal Expansion, µm/m-K 8.7
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 55
36
Density, g/cm3 4.5
4.4
Embodied Carbon, kg CO2/kg material 33
38
Embodied Energy, MJ/kg 530
610
Embodied Water, L/kg 200
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
61 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 590
3430 to 3560
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
35
Strength to Weight: Axial, points 24
58 to 59
Strength to Weight: Bending, points 26
48
Thermal Diffusivity, mm2/s 8.7
2.9
Thermal Shock Resistance, points 30
67 to 68

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.5
Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 0.1 to 0.2
0
Hydrogen (H), % 0 to 0.015
0 to 0.013
Iron (Fe), % 0 to 0.3
0 to 0.25
Nickel (Ni), % 0.35 to 0.55
0
Nitrogen (N), % 0 to 0.030
0 to 0.030
Oxygen (O), % 0 to 0.25
0 to 0.13
Palladium (Pd), % 0.010 to 0.020
0
Ruthenium (Ru), % 0.020 to 0.040
0
Titanium (Ti), % 98.1 to 99.52
88.1 to 91
Vanadium (V), % 0
3.5 to 4.5
Residuals, % 0
0 to 0.4