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Grade 704C Zirconium vs. Reactor Grade Zirconium

Both grade 704C zirconium and reactor grade zirconium are otherwise unclassified metals. They have a very high 96% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 97
98
Elongation at Break, % 11
21
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 36
37
Tensile Strength: Ultimate (UTS), MPa 470
330
Tensile Strength: Yield (Proof), MPa 310
160

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Specific Heat Capacity, J/kg-K 270
270
Thermal Conductivity, W/m-K 21
22
Thermal Expansion, µm/m-K 5.9
5.9

Otherwise Unclassified Properties

Density, g/cm3 6.7
6.5
Embodied Water, L/kg 460
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
56
Resilience: Unit (Modulus of Resilience), kJ/m3 490
130
Stiffness to Weight: Axial, points 8.1
8.4
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 20
14
Strength to Weight: Bending, points 20
16
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 58
41

Alloy Composition


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Carbon (C), % 0 to 0.1
0
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.010
0
Tin (Sn), % 1.0 to 2.0
0
Zirconium (Zr), % 92.9 to 99
99.7 to 100
Residuals, % 0
0 to 0.27