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Grade 23 Titanium vs. Grade 32 Titanium

Both grade 23 titanium and grade 32 titanium are titanium alloys. They have a very high 96% 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 32 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 6.7 to 11
11
Fatigue Strength, MPa 470 to 500
390
Poisson's Ratio 0.32
0.32
Reduction in Area, % 30
28
Shear Modulus, GPa 40
40
Shear Strength, MPa 540 to 570
460
Tensile Strength: Ultimate (UTS), MPa 930 to 940
770
Tensile Strength: Yield (Proof), MPa 850 to 870
670

Thermal Properties

Latent Heat of Fusion, J/g 410
410
Maximum Temperature: Mechanical, °C 340
310
Melting Completion (Liquidus), °C 1610
1610
Melting Onset (Solidus), °C 1560
1560
Specific Heat Capacity, J/kg-K 560
550
Thermal Conductivity, W/m-K 7.1
7.5
Thermal Expansion, µm/m-K 9.4
8.2

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 36
38
Density, g/cm3 4.4
4.5
Embodied Carbon, kg CO2/kg material 38
32
Embodied Energy, MJ/kg 610
530
Embodied Water, L/kg 200
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 61 to 100
83
Resilience: Unit (Modulus of Resilience), kJ/m3 3430 to 3560
2100
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
35
Strength to Weight: Axial, points 58 to 59
47
Strength to Weight: Bending, points 48
41
Thermal Diffusivity, mm2/s 2.9
3.0
Thermal Shock Resistance, points 67 to 68
63

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
4.5 to 5.5
Carbon (C), % 0 to 0.080
0 to 0.080
Hydrogen (H), % 0 to 0.013
0 to 0.015
Iron (Fe), % 0 to 0.25
0 to 0.25
Molybdenum (Mo), % 0
0.6 to 1.2
Nitrogen (N), % 0 to 0.030
0 to 0.030
Oxygen (O), % 0 to 0.13
0 to 0.11
Silicon (Si), % 0
0.060 to 0.14
Tin (Sn), % 0
0.6 to 1.4
Titanium (Ti), % 88.1 to 91
88.1 to 93
Vanadium (V), % 3.5 to 4.5
0.6 to 1.4
Zirconium (Zr), % 0
0.6 to 1.4
Residuals, % 0
0 to 0.4