Grade 705C Zirconium vs. C71520 Copper-nickel
Grade 705C zirconium belongs to the otherwise unclassified metals classification, while C71520 copper-nickel belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is grade 705C zirconium and the bottom bar is C71520 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 98 | |
| 140 |
| Elongation at Break, % | 13 | |
| 10 to 45 |
| Poisson's Ratio | 0.34 | |
| 0.33 |
| Rockwell B Hardness | 87 | |
| 35 to 86 |
| Shear Modulus, GPa | 36 | |
| 51 |
| Tensile Strength: Ultimate (UTS), MPa | 540 | |
| 370 to 570 |
| Tensile Strength: Yield (Proof), MPa | 390 | |
| 140 to 430 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 230 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 400 |
| Thermal Conductivity, W/m-K | 18 | |
| 32 |
| Thermal Expansion, µm/m-K | 5.7 | |
| 15 |
Otherwise Unclassified Properties
| Density, g/cm3 | 6.7 | |
| 8.9 |
| Embodied Water, L/kg | 450 | |
| 280 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 66 | |
| 54 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 790 | |
| 67 to 680 |
| Stiffness to Weight: Axial, points | 8.1 | |
| 8.6 |
| Stiffness to Weight: Bending, points | 23 | |
| 19 |
| Strength to Weight: Axial, points | 22 | |
| 12 to 18 |
| Strength to Weight: Bending, points | 22 | |
| 13 to 17 |
| Thermal Diffusivity, mm2/s | 9.9 | |
| 8.9 |
| Thermal Shock Resistance, points | 69 | |
| 12 to 19 |
Alloy Composition
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| Carbon (C), % | 0 to 0.1 | |
| 0 to 0.050 |
| Copper (Cu), % | 0 | |
| 65 to 71.6 |
| Hafnium (Hf), % | 0 to 4.5 | |
| 0 |
| Hydrogen (H), % | 0 to 0.0050 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 0.4 to 1.0 |
| Lead (Pb), % | 0 | |
| 0 to 0.020 |
| Manganese (Mn), % | 0 | |
| 0 to 1.0 |
| Nickel (Ni), % | 0 | |
| 28 to 33 |
| Niobium (Nb), % | 2.0 to 3.0 | |
| 0 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.3 | |
| 0 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 to 0.2 |
| Sulfur (S), % | 0 | |
| 0 to 0.020 |
| Zinc (Zn), % | 0 | |
| 0 to 0.5 |
| Zirconium (Zr), % | 91.9 to 98 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.5 |