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Grade 702C Zirconium vs. Grade 17 Titanium

Grade 702C zirconium belongs to the otherwise unclassified metals classification, while grade 17 titanium belongs to the titanium alloys. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is grade 702C zirconium and the bottom bar is grade 17 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 97
110
Elongation at Break, % 13
27
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 36
38
Tensile Strength: Ultimate (UTS), MPa 430
270
Tensile Strength: Yield (Proof), MPa 310
210

Thermal Properties

Latent Heat of Fusion, J/g 250
420
Specific Heat Capacity, J/kg-K 270
540
Thermal Conductivity, W/m-K 22
23
Thermal Expansion, µm/m-K 5.7
8.7

Otherwise Unclassified Properties

Density, g/cm3 6.7
4.5
Embodied Water, L/kg 450
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
68
Resilience: Unit (Modulus of Resilience), kJ/m3 510
220
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
35
Strength to Weight: Axial, points 18
17
Strength to Weight: Bending, points 19
21
Thermal Diffusivity, mm2/s 12
9.3
Thermal Shock Resistance, points 55
21

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.080
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0 to 0.015
Iron (Fe), % 0 to 0.3
0 to 0.2
Nitrogen (N), % 0 to 0.030
0 to 0.030
Oxygen (O), % 0 to 0.25
0 to 0.18
Palladium (Pd), % 0
0.040 to 0.080
Phosphorus (P), % 0 to 0.010
0
Titanium (Ti), % 0
99.015 to 99.96
Zirconium (Zr), % 94.8 to 100
0
Residuals, % 0
0 to 0.4