Grade 704C Zirconium vs. C71640 Copper-nickel
Grade 704C zirconium belongs to the otherwise unclassified metals classification, while C71640 copper-nickel belongs to the copper alloys. There are 18 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is grade 704C zirconium and the bottom bar is C71640 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 97 | |
| 140 |
| Poisson's Ratio | 0.34 | |
| 0.33 |
| Shear Modulus, GPa | 36 | |
| 52 |
| Tensile Strength: Ultimate (UTS), MPa | 470 | |
| 490 to 630 |
| Tensile Strength: Yield (Proof), MPa | 310 | |
| 190 to 460 |
Thermal Properties
| Latent Heat of Fusion, J/g | 240 | |
| 240 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 410 |
| Thermal Conductivity, W/m-K | 21 | |
| 29 |
| Thermal Expansion, µm/m-K | 5.9 | |
| 15 |
Otherwise Unclassified Properties
| Density, g/cm3 | 6.7 | |
| 8.9 |
| Embodied Water, L/kg | 460 | |
| 280 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 490 | |
| 130 to 750 |
| Stiffness to Weight: Axial, points | 8.1 | |
| 8.7 |
| Stiffness to Weight: Bending, points | 23 | |
| 20 |
| Strength to Weight: Axial, points | 20 | |
| 15 to 20 |
| Strength to Weight: Bending, points | 20 | |
| 16 to 18 |
| Thermal Diffusivity, mm2/s | 12 | |
| 8.2 |
| Thermal Shock Resistance, points | 58 | |
| 16 to 21 |
Alloy Composition
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| Carbon (C), % | 0 to 0.1 | |
| 0 |
| Copper (Cu), % | 0 | |
| 61.7 to 67.8 |
| Hafnium (Hf), % | 0 to 4.5 | |
| 0 |
| Hydrogen (H), % | 0 to 0.0050 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 1.7 to 2.3 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 | |
| 1.5 to 2.5 |
| Nickel (Ni), % | 0 | |
| 29 to 32 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.3 | |
| 0 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 |
| Tin (Sn), % | 1.0 to 2.0 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 1.0 |
| Zirconium (Zr), % | 92.9 to 99 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.5 |