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R05252 Alloy vs. Grade 705C Zirconium

Both R05252 alloy and grade 705C zirconium are otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is R05252 alloy and the bottom bar is grade 705C zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
98
Elongation at Break, % 23
13
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 73
36
Tensile Strength: Ultimate (UTS), MPa 310
540
Tensile Strength: Yield (Proof), MPa 220
390

Thermal Properties

Latent Heat of Fusion, J/g 140
250
Specific Heat Capacity, J/kg-K 140
270
Thermal Expansion, µm/m-K 6.7
5.7

Otherwise Unclassified Properties

Density, g/cm3 17
6.7
Embodied Water, L/kg 600
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63
66
Resilience: Unit (Modulus of Resilience), kJ/m3 120
790
Stiffness to Weight: Axial, points 6.5
8.1
Stiffness to Weight: Bending, points 12
23
Strength to Weight: Axial, points 5.2
22
Strength to Weight: Bending, points 6.1
22
Thermal Shock Resistance, points 17
69

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.1
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0 to 0.0015
0 to 0.0050
Iron (Fe), % 0 to 0.010
0 to 0.3
Molybdenum (Mo), % 0 to 0.020
0
Nickel (Ni), % 0 to 0.010
0
Niobium (Nb), % 0 to 0.1
2.0 to 3.0
Nitrogen (N), % 0 to 0.010
0 to 0.030
Oxygen (O), % 0 to 0.015
0 to 0.3
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.0050
0
Tantalum (Ta), % 88.8 to 91
0
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 9.0 to 11
0
Zirconium (Zr), % 0
91.9 to 98