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Grade 704C Zirconium vs. Grade 34 Titanium

Grade 704C zirconium belongs to the otherwise unclassified metals classification, while grade 34 titanium belongs to the titanium alloys. There are 20 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is grade 704C zirconium and the bottom bar is grade 34 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 97
110
Elongation at Break, % 11
20
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 36
41
Tensile Strength: Ultimate (UTS), MPa 470
510
Tensile Strength: Yield (Proof), MPa 310
450

Thermal Properties

Latent Heat of Fusion, J/g 240
420
Specific Heat Capacity, J/kg-K 270
540
Thermal Conductivity, W/m-K 21
21
Thermal Expansion, µm/m-K 5.9
8.7

Otherwise Unclassified Properties

Density, g/cm3 6.7
4.5
Embodied Water, L/kg 460
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
100
Resilience: Unit (Modulus of Resilience), kJ/m3 490
960
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
35
Strength to Weight: Axial, points 20
31
Strength to Weight: Bending, points 20
31
Thermal Diffusivity, mm2/s 12
8.4
Thermal Shock Resistance, points 58
39

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.080
Chromium (Cr), % 0
0.1 to 0.2
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 0.3
Nickel (Ni), % 0
0.35 to 0.55
Nitrogen (N), % 0 to 0.030
0 to 0.050
Oxygen (O), % 0 to 0.3
0 to 0.35
Palladium (Pd), % 0
0.010 to 0.020
Phosphorus (P), % 0 to 0.010
0
Ruthenium (Ru), % 0
0.020 to 0.040
Tin (Sn), % 1.0 to 2.0
0
Titanium (Ti), % 0
98 to 99.52
Zirconium (Zr), % 92.9 to 99
0
Residuals, % 0
0 to 0.4