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Grade 705C Zirconium vs. R60704 Alloy

Both grade 705C zirconium and R60704 alloy are otherwise unclassified metals. They have a very high 97% 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 705C zirconium and the bottom bar is R60704 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
97
Elongation at Break, % 13
16
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 36
36
Tensile Strength: Ultimate (UTS), MPa 540
470
Tensile Strength: Yield (Proof), MPa 390
270

Thermal Properties

Latent Heat of Fusion, J/g 250
240
Specific Heat Capacity, J/kg-K 270
270
Thermal Conductivity, W/m-K 18
22
Thermal Expansion, µm/m-K 5.7
6.0

Otherwise Unclassified Properties

Density, g/cm3 6.7
6.7
Embodied Water, L/kg 450
460

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 66
64
Resilience: Unit (Modulus of Resilience), kJ/m3 790
370
Stiffness to Weight: Axial, points 8.1
8.1
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 22
20
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 9.9
12
Thermal Shock Resistance, points 69
58

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.050
Chromium (Cr), % 0
0.2 to 0.4
Hafnium (Hf), % 0 to 4.5
0 to 4.5
Hydrogen (H), % 0 to 0.0050
0 to 0.0050
Iron (Fe), % 0 to 0.3
0.2 to 0.4
Niobium (Nb), % 2.0 to 3.0
0
Nitrogen (N), % 0 to 0.030
0 to 0.025
Oxygen (O), % 0 to 0.3
0 to 0.18
Phosphorus (P), % 0 to 0.010
0
Tin (Sn), % 0
1.0 to 2.0
Zirconium (Zr), % 91.9 to 98
93 to 98.8