C68400 Brass vs. Reactor Grade Zirconium
C68400 brass belongs to the copper alloys classification, while reactor grade zirconium belongs to the otherwise unclassified metals. There are 20 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 C68400 brass and the bottom bar is reactor grade zirconium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 98 |
| Elongation at Break, % | 18 | |
| 21 |
| Poisson's Ratio | 0.31 | |
| 0.34 |
| Shear Modulus, GPa | 41 | |
| 37 |
| Tensile Strength: Ultimate (UTS), MPa | 540 | |
| 330 |
| Tensile Strength: Yield (Proof), MPa | 310 | |
| 160 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 250 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 270 |
| Thermal Conductivity, W/m-K | 66 | |
| 22 |
| Thermal Expansion, µm/m-K | 20 | |
| 5.9 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.9 | |
| 6.5 |
| Embodied Water, L/kg | 320 | |
| 280 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 81 | |
| 56 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 460 | |
| 130 |
| Stiffness to Weight: Axial, points | 7.5 | |
| 8.4 |
| Stiffness to Weight: Bending, points | 20 | |
| 24 |
| Strength to Weight: Axial, points | 19 | |
| 14 |
| Strength to Weight: Bending, points | 19 | |
| 16 |
| Thermal Diffusivity, mm2/s | 21 | |
| 13 |
| Thermal Shock Resistance, points | 18 | |
| 41 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.5 | |
| 0 |
| Boron (B), % | 0.0010 to 0.030 | |
| 0 |
| Copper (Cu), % | 59 to 64 | |
| 0 |
| Iron (Fe), % | 0 to 1.0 | |
| 0 |
| Lead (Pb), % | 0 to 0.090 | |
| 0 |
| Manganese (Mn), % | 0.2 to 1.5 | |
| 0 |
| Nickel (Ni), % | 0 to 0.5 | |
| 0 |
| Phosphorus (P), % | 0.030 to 0.3 | |
| 0 |
| Silicon (Si), % | 1.5 to 2.5 | |
| 0 |
| Tin (Sn), % | 0 to 0.5 | |
| 0 |
| Zinc (Zn), % | 28.6 to 39.3 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 99.7 to 100 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.27 |