R05255 Alloy vs. C66300 Brass
R05255 alloy belongs to the otherwise unclassified metals classification, while C66300 brass belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is R05255 alloy and the bottom bar is C66300 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 20 | |
| 2.3 to 22 |
| Poisson's Ratio | 0.34 | |
| 0.33 |
| Shear Modulus, GPa | 70 | |
| 42 |
| Tensile Strength: Ultimate (UTS), MPa | 540 | |
| 460 to 810 |
| Tensile Strength: Yield (Proof), MPa | 450 | |
| 400 to 800 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 200 |
| Specific Heat Capacity, J/kg-K | 140 | |
| 380 |
| Thermal Conductivity, W/m-K | 59 | |
| 110 |
| Thermal Expansion, µm/m-K | 6.6 | |
| 18 |
Otherwise Unclassified Properties
| Density, g/cm3 | 17 | |
| 8.6 |
| Embodied Water, L/kg | 630 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 100 | |
| 17 to 98 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 530 | |
| 710 to 2850 |
| Stiffness to Weight: Axial, points | 6.3 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 11 | |
| 19 |
| Strength to Weight: Axial, points | 9.1 | |
| 15 to 26 |
| Strength to Weight: Bending, points | 8.9 | |
| 15 to 22 |
| Thermal Diffusivity, mm2/s | 25 | |
| 32 |
| Thermal Shock Resistance, points | 31 | |
| 16 to 28 |
Alloy Composition
| Carbon (C), % | 0 to 0.010 | |
| 0 |
| Cobalt (Co), % | 0 | |
| 0 to 0.2 |
| Copper (Cu), % | 0 | |
| 84.5 to 87.5 |
| Hydrogen (H), % | 0 to 0.0015 | |
| 0 |
| Iron (Fe), % | 0 to 0.010 | |
| 1.4 to 2.4 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Molybdenum (Mo), % | 0 to 0.020 | |
| 0 |
| Nickel (Ni), % | 0 to 0.010 | |
| 0 |
| Niobium (Nb), % | 0 to 0.5 | |
| 0 |
| Nitrogen (N), % | 0 to 0.010 | |
| 0 |
| Oxygen (O), % | 0 to 0.015 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.35 |
| Silicon (Si), % | 0 to 0.0050 | |
| 0 |
| Tantalum (Ta), % | 95.9 to 98 | |
| 0 |
| Tin (Sn), % | 0 | |
| 1.5 to 3.0 |
| Titanium (Ti), % | 0 to 0.010 | |
| 0 |
| Tungsten (W), % | 2.0 to 3.5 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 6.0 to 12.8 |
| Residuals, % | 0 | |
| 0 to 0.5 |