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Low-oxygen Zirconium vs. R04295 Alloy

Both low-oxygen zirconium and R04295 alloy are otherwise unclassified metals. Both are furnished in the annealed condition. There are 18 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 low-oxygen zirconium and the bottom bar is R04295 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
100
Elongation at Break, % 23
22
Poisson's Ratio 0.34
0.38
Shear Modulus, GPa 37
37
Tensile Strength: Ultimate (UTS), MPa 330
410
Tensile Strength: Yield (Proof), MPa 270
300

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Specific Heat Capacity, J/kg-K 270
260
Thermal Expansion, µm/m-K 5.7
7.2

Otherwise Unclassified Properties

Density, g/cm3 6.7
9.0
Embodied Water, L/kg 450
950

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70
84
Resilience: Unit (Modulus of Resilience), kJ/m3 370
430
Stiffness to Weight: Axial, points 8.1
6.3
Stiffness to Weight: Bending, points 23
17
Strength to Weight: Axial, points 14
13
Strength to Weight: Bending, points 16
14
Thermal Shock Resistance, points 42
40

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.015
Chromium (Cr), % 0 to 0.2
0
Hafnium (Hf), % 0 to 4.5
9.0 to 11
Hydrogen (H), % 0 to 0.0050
0 to 0.0015
Iron (Fe), % 0 to 0.2
0
Niobium (Nb), % 0
85.9 to 90.3
Nitrogen (N), % 0 to 0.025
0 to 0.010
Oxygen (O), % 0 to 0.1
0 to 0.025
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
0.7 to 1.3
Tungsten (W), % 0
0 to 0.5
Zirconium (Zr), % 94.7 to 100
0 to 0.7