Grade 705C Zirconium vs. C66900 Brass
Grade 705C zirconium belongs to the otherwise unclassified metals classification, while C66900 brass belongs to the copper alloys. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is grade 705C zirconium and the bottom bar is C66900 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 98 | |
| 120 |
| Elongation at Break, % | 13 | |
| 1.1 to 26 |
| Poisson's Ratio | 0.34 | |
| 0.32 |
| Rockwell B Hardness | 87 | |
| 65 to 100 |
| Shear Modulus, GPa | 36 | |
| 45 |
| Tensile Strength: Ultimate (UTS), MPa | 540 | |
| 460 to 770 |
| Tensile Strength: Yield (Proof), MPa | 390 | |
| 330 to 760 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 190 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 400 |
| Thermal Expansion, µm/m-K | 5.7 | |
| 20 |
Otherwise Unclassified Properties
| Density, g/cm3 | 6.7 | |
| 8.2 |
| Embodied Water, L/kg | 450 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 66 | |
| 4.6 to 200 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 790 | |
| 460 to 2450 |
| Stiffness to Weight: Axial, points | 8.1 | |
| 8.1 |
| Stiffness to Weight: Bending, points | 23 | |
| 20 |
| Strength to Weight: Axial, points | 22 | |
| 15 to 26 |
| Strength to Weight: Bending, points | 22 | |
| 16 to 23 |
| Thermal Shock Resistance, points | 69 | |
| 14 to 23 |
Alloy Composition
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| Carbon (C), % | 0 to 0.1 | |
| 0 |
| Copper (Cu), % | 0 | |
| 62.5 to 64.5 |
| Hafnium (Hf), % | 0 to 4.5 | |
| 0 |
| Hydrogen (H), % | 0 to 0.0050 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 | |
| 11.5 to 12.5 |
| 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 |
| Zinc (Zn), % | 0 | |
| 22.5 to 26 |
| Zirconium (Zr), % | 91.9 to 98 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.2 |