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R04295 Alloy vs. Grade 705C Zirconium

Both R04295 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.

For each property being compared, the top bar is R04295 alloy and the bottom bar is grade 705C zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
98
Elongation at Break, % 22
13
Poisson's Ratio 0.38
0.34
Shear Modulus, GPa 37
36
Tensile Strength: Ultimate (UTS), MPa 410
540
Tensile Strength: Yield (Proof), MPa 300
390

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 84
66
Resilience: Unit (Modulus of Resilience), kJ/m3 430
790
Stiffness to Weight: Axial, points 6.3
8.1
Stiffness to Weight: Bending, points 17
23
Strength to Weight: Axial, points 13
22
Strength to Weight: Bending, points 14
22
Thermal Shock Resistance, points 40
69

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.1
Hafnium (Hf), % 9.0 to 11
0 to 4.5
Hydrogen (H), % 0 to 0.0015
0 to 0.0050
Iron (Fe), % 0
0 to 0.3
Niobium (Nb), % 85.9 to 90.3
2.0 to 3.0
Nitrogen (N), % 0 to 0.010
0 to 0.030
Oxygen (O), % 0 to 0.025
0 to 0.3
Phosphorus (P), % 0
0 to 0.010
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 0.7 to 1.3
0
Tungsten (W), % 0 to 0.5
0
Zirconium (Zr), % 0 to 0.7
91.9 to 98