R60705 Alloy vs. C61800 Bronze
R60705 alloy belongs to the otherwise unclassified metals classification, while C61800 bronze 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 R60705 alloy and the bottom bar is C61800 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 98 | |
| 110 |
| Elongation at Break, % | 18 | |
| 26 |
| Fatigue Strength, MPa | 290 | |
| 190 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Shear Modulus, GPa | 37 | |
| 44 |
| Tensile Strength: Ultimate (UTS), MPa | 540 | |
| 740 |
| Tensile Strength: Yield (Proof), MPa | 430 | |
| 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 230 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 440 |
| Thermal Conductivity, W/m-K | 17 | |
| 64 |
| Thermal Expansion, µm/m-K | 6.3 | |
| 18 |
Otherwise Unclassified Properties
| Density, g/cm3 | 6.7 | |
| 8.3 |
| Embodied Water, L/kg | 450 | |
| 390 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 90 | |
| 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 950 | |
| 420 |
| Stiffness to Weight: Axial, points | 8.1 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 23 | |
| 19 |
| Strength to Weight: Axial, points | 22 | |
| 25 |
| Strength to Weight: Bending, points | 22 | |
| 22 |
| Thermal Diffusivity, mm2/s | 9.5 | |
| 18 |
| Thermal Shock Resistance, points | 63 | |
| 26 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 8.5 to 11 |
| Carbon (C), % | 0 to 0.050 | |
| 0 |
| Chromium (Cr), % | 0 to 0.2 | |
| 0 |
| Copper (Cu), % | 0 | |
| 86.9 to 91 |
| Hafnium (Hf), % | 0 to 4.5 | |
| 0 |
| Hydrogen (H), % | 0 to 0.0050 | |
| 0 |
| Iron (Fe), % | 0 to 0.2 | |
| 0.5 to 1.5 |
| Lead (Pb), % | 0 | |
| 0 to 0.020 |
| Niobium (Nb), % | 2.0 to 3.0 | |
| 0 |
| Nitrogen (N), % | 0 to 0.025 | |
| 0 |
| Oxygen (O), % | 0 to 0.18 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.1 |
| Zinc (Zn), % | 0 | |
| 0 to 0.020 |
| Zirconium (Zr), % | 91 to 98 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.5 |