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Grade 33 Titanium vs. Commercially Pure Zirconium

Grade 33 titanium belongs to the titanium alloys classification, while commercially pure zirconium belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
98
Elongation at Break, % 23
18
Fatigue Strength, MPa 250
60
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
36
Tensile Strength: Ultimate (UTS), MPa 390
430
Tensile Strength: Yield (Proof), MPa 350
240

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Specific Heat Capacity, J/kg-K 540
270
Thermal Conductivity, W/m-K 21
22
Thermal Expansion, µm/m-K 8.7
5.5

Otherwise Unclassified Properties

Density, g/cm3 4.5
6.7
Embodied Water, L/kg 200
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
65
Resilience: Unit (Modulus of Resilience), kJ/m3 590
290
Stiffness to Weight: Axial, points 13
8.1
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 24
18
Strength to Weight: Bending, points 26
19
Thermal Diffusivity, mm2/s 8.7
12
Thermal Shock Resistance, points 30
56

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.050
Chromium (Cr), % 0.1 to 0.2
0 to 0.2
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0 to 0.015
0 to 0.0050
Iron (Fe), % 0 to 0.3
0 to 0.2
Nickel (Ni), % 0.35 to 0.55
0
Nitrogen (N), % 0 to 0.030
0 to 0.025
Oxygen (O), % 0 to 0.25
0 to 0.16
Palladium (Pd), % 0.010 to 0.020
0
Ruthenium (Ru), % 0.020 to 0.040
0
Titanium (Ti), % 98.1 to 99.52
0
Zirconium (Zr), % 0
94.7 to 100
Residuals, % 0 to 0.4
0