R60802 Alloy vs. C68300 Brass
R60802 alloy belongs to the otherwise unclassified metals classification, while C68300 brass belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is R60802 alloy and the bottom bar is C68300 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 98 | |
| 100 |
| Elongation at Break, % | 22 | |
| 15 |
| Poisson's Ratio | 0.34 | |
| 0.31 |
| Shear Modulus, GPa | 36 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 430 | |
| 430 |
| Tensile Strength: Yield (Proof), MPa | 270 | |
| 260 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 180 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 390 |
| Thermal Conductivity, W/m-K | 22 | |
| 120 |
| Thermal Expansion, µm/m-K | 6.0 | |
| 20 |
Otherwise Unclassified Properties
| Density, g/cm3 | 6.5 | |
| 8.0 |
| Embodied Water, L/kg | 290 | |
| 340 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 85 | |
| 56 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 380 | |
| 330 |
| Stiffness to Weight: Axial, points | 8.3 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 23 | |
| 20 |
| Strength to Weight: Axial, points | 18 | |
| 15 |
| Strength to Weight: Bending, points | 19 | |
| 16 |
| Thermal Diffusivity, mm2/s | 12 | |
| 38 |
| Thermal Shock Resistance, points | 53 | |
| 14 |
Alloy Composition
| Antimony (Sb), % | 0 | |
| 0.3 to 1.0 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.010 |
| Chromium (Cr), % | 0.050 to 0.15 | |
| 0 |
| Copper (Cu), % | 0 | |
| 59 to 63 |
| Iron (Fe), % | 0.070 to 0.2 | |
| 0 |
| Lead (Pb), % | 0 | |
| 0 to 0.090 |
| Nickel (Ni), % | 0.030 to 0.080 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0.3 to 1.0 |
| Tin (Sn), % | 1.2 to 1.7 | |
| 0.050 to 0.2 |
| Zinc (Zn), % | 0 | |
| 34.2 to 40.4 |
| Zirconium (Zr), % | 97.8 to 98.7 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.5 |