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Grade 32 Titanium vs. Grade 13 Titanium

Both grade 32 titanium and grade 13 titanium are titanium alloys. Both are furnished in the annealed condition. They have a moderately high 91% of their average alloy composition in common.

For each property being compared, the top bar is grade 32 titanium and the bottom bar is grade 13 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 11
27
Fatigue Strength, MPa 390
140
Poisson's Ratio 0.32
0.32
Reduction in Area, % 28
34
Shear Modulus, GPa 40
41
Shear Strength, MPa 460
200
Tensile Strength: Ultimate (UTS), MPa 770
310
Tensile Strength: Yield (Proof), MPa 670
190

Thermal Properties

Latent Heat of Fusion, J/g 410
420
Maximum Temperature: Mechanical, °C 310
320
Melting Completion (Liquidus), °C 1610
1660
Melting Onset (Solidus), °C 1560
1610
Specific Heat Capacity, J/kg-K 550
540
Thermal Conductivity, W/m-K 7.5
22
Thermal Expansion, µm/m-K 8.2
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
7.2

Otherwise Unclassified Properties

Base Metal Price, % relative 38
37
Density, g/cm3 4.5
4.5
Embodied Carbon, kg CO2/kg material 32
32
Embodied Energy, MJ/kg 530
520
Embodied Water, L/kg 180
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
73
Resilience: Unit (Modulus of Resilience), kJ/m3 2100
180
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
35
Strength to Weight: Axial, points 47
19
Strength to Weight: Bending, points 41
22
Thermal Diffusivity, mm2/s 3.0
8.9
Thermal Shock Resistance, points 63
24

Alloy Composition

Aluminum (Al), % 4.5 to 5.5
0
Carbon (C), % 0 to 0.080
0 to 0.080
Hydrogen (H), % 0 to 0.015
0 to 0.015
Iron (Fe), % 0 to 0.25
0 to 0.2
Molybdenum (Mo), % 0.6 to 1.2
0
Nickel (Ni), % 0
0.4 to 0.6
Nitrogen (N), % 0 to 0.030
0 to 0.030
Oxygen (O), % 0 to 0.11
0 to 0.1
Ruthenium (Ru), % 0
0.040 to 0.060
Silicon (Si), % 0.060 to 0.14
0
Tin (Sn), % 0.6 to 1.4
0
Titanium (Ti), % 88.1 to 93
98.5 to 99.56
Vanadium (V), % 0.6 to 1.4
0
Zirconium (Zr), % 0.6 to 1.4
0
Residuals, % 0 to 0.4
0 to 0.4