C66300 Brass vs. Nuclear Grade Hafnium
C66300 brass belongs to the copper alloys classification, while nuclear grade hafnium belongs to the otherwise unclassified metals. There are 17 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 C66300 brass and the bottom bar is nuclear grade hafnium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 78 |
| Elongation at Break, % | 2.3 to 22 | |
| 25 |
| Poisson's Ratio | 0.33 | |
| 0.26 |
| Shear Modulus, GPa | 42 | |
| 31 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 810 | |
| 350 |
| Tensile Strength: Yield (Proof), MPa | 400 to 800 | |
| 170 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 130 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 140 |
| Thermal Expansion, µm/m-K | 18 | |
| 5.9 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.6 | |
| 13 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 17 to 98 | |
| 73 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 710 to 2850 | |
| 180 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 3.3 |
| Stiffness to Weight: Bending, points | 19 | |
| 11 |
| Strength to Weight: Axial, points | 15 to 26 | |
| 7.4 |
| Strength to Weight: Bending, points | 15 to 22 | |
| 8.4 |
| Thermal Shock Resistance, points | 16 to 28 | |
| 55 |
Alloy Composition
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| Cobalt (Co), % | 0 to 0.2 | |
| 0 |
| Copper (Cu), % | 84.5 to 87.5 | |
| 0 |
| Hafnium (Hf), % | 0 | |
| 99.8 to 100 |
| Iron (Fe), % | 1.4 to 2.4 | |
| 0 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Phosphorus (P), % | 0 to 0.35 | |
| 0 |
| Tin (Sn), % | 1.5 to 3.0 | |
| 0 |
| Zinc (Zn), % | 6.0 to 12.8 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.23 |