C68800 Brass vs. R60901 Alloy
C68800 brass belongs to the copper alloys classification, while R60901 alloy belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is C68800 brass and the bottom bar is R60901 alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 98 |
| Elongation at Break, % | 2.0 to 36 | |
| 17 to 22 |
| Poisson's Ratio | 0.32 | |
| 0.34 |
| Shear Modulus, GPa | 41 | |
| 37 |
| Tensile Strength: Ultimate (UTS), MPa | 570 to 890 | |
| 500 to 580 |
| Tensile Strength: Yield (Proof), MPa | 390 to 790 | |
| 350 to 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 250 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 270 |
| Thermal Conductivity, W/m-K | 40 | |
| 17 |
| Thermal Expansion, µm/m-K | 19 | |
| 6.3 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.2 | |
| 6.6 |
| Embodied Water, L/kg | 350 | |
| 270 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 16 to 180 | |
| 88 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 710 to 2860 | |
| 640 to 760 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 8.3 |
| Stiffness to Weight: Bending, points | 19 | |
| 23 |
| Strength to Weight: Axial, points | 19 to 30 | |
| 21 to 25 |
| Strength to Weight: Bending, points | 19 to 25 | |
| 21 to 24 |
| Thermal Diffusivity, mm2/s | 12 | |
| 9.7 |
| Thermal Shock Resistance, points | 19 to 30 | |
| 58 to 67 |
Alloy Composition
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| Aluminum (Al), % | 3.0 to 3.8 | |
| 0 |
| Cobalt (Co), % | 0.25 to 0.55 | |
| 0 |
| Copper (Cu), % | 70.8 to 75.5 | |
| 0 |
| Iron (Fe), % | 0 to 0.2 | |
| 0 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Niobium (Nb), % | 0 | |
| 2.4 to 2.8 |
| Zinc (Zn), % | 21.3 to 24.1 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 96.8 to 97.5 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.29 |