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Grade 23 Titanium vs. Grade 34 Titanium

Both grade 23 titanium and grade 34 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 23 titanium and the bottom bar is grade 34 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 6.7 to 11
20
Fatigue Strength, MPa 470 to 500
310
Poisson's Ratio 0.32
0.32
Reduction in Area, % 30
34
Shear Modulus, GPa 40
41
Shear Strength, MPa 540 to 570
320
Tensile Strength: Ultimate (UTS), MPa 930 to 940
510
Tensile Strength: Yield (Proof), MPa 850 to 870
450

Thermal Properties

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

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
6.7

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 61 to 100
100
Resilience: Unit (Modulus of Resilience), kJ/m3 3430 to 3560
960
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
35
Strength to Weight: Axial, points 58 to 59
31
Strength to Weight: Bending, points 48
31
Thermal Diffusivity, mm2/s 2.9
8.4
Thermal Shock Resistance, points 67 to 68
39

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 0
0.1 to 0.2
Hydrogen (H), % 0 to 0.013
0 to 0.015
Iron (Fe), % 0 to 0.25
0 to 0.3
Nickel (Ni), % 0
0.35 to 0.55
Nitrogen (N), % 0 to 0.030
0 to 0.050
Oxygen (O), % 0 to 0.13
0 to 0.35
Palladium (Pd), % 0
0.010 to 0.020
Ruthenium (Ru), % 0
0.020 to 0.040
Titanium (Ti), % 88.1 to 91
98 to 99.52
Vanadium (V), % 3.5 to 4.5
0
Residuals, % 0
0 to 0.4