C68000 Brass vs. C48600 Brass
Both C68000 brass and C48600 brass are copper alloys. They have a very high 96% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is C68000 brass and the bottom bar is C48600 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 100 |
| Elongation at Break, % | 27 | |
| 20 to 25 |
| Poisson's Ratio | 0.3 | |
| 0.31 |
| Shear Modulus, GPa | 40 | |
| 39 |
| Tensile Strength: Ultimate (UTS), MPa | 390 | |
| 280 to 360 |
| Tensile Strength: Yield (Proof), MPa | 140 | |
| 110 to 170 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 120 |
| Melting Completion (Liquidus), °C | 880 | |
| 900 |
| Melting Onset (Solidus), °C | 870 | |
| 890 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 380 |
| Thermal Conductivity, W/m-K | 96 | |
| 110 |
| Thermal Expansion, µm/m-K | 21 | |
| 21 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 24 |
| Density, g/cm3 | 8.0 | |
| 8.1 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 2.8 |
| Embodied Energy, MJ/kg | 48 | |
| 47 |
| Embodied Water, L/kg | 330 | |
| 330 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 82 | |
| 55 to 59 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 95 | |
| 61 to 140 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 20 | |
| 19 |
| Strength to Weight: Axial, points | 14 | |
| 9.5 to 12 |
| Strength to Weight: Bending, points | 15 | |
| 12 to 14 |
| Thermal Diffusivity, mm2/s | 31 | |
| 36 |
| Thermal Shock Resistance, points | 13 | |
| 9.3 to 12 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.010 | |
| 0 |
| Arsenic (As), % | 0 | |
| 0.020 to 0.25 |
| Copper (Cu), % | 56 to 60 | |
| 59 to 62 |
| Iron (Fe), % | 0.25 to 1.3 | |
| 0 |
| Lead (Pb), % | 0 to 0.050 | |
| 1.0 to 2.5 |
| Manganese (Mn), % | 0.010 to 0.5 | |
| 0 |
| Nickel (Ni), % | 0.2 to 0.8 | |
| 0 |
| Silicon (Si), % | 0.040 to 0.15 | |
| 0 |
| Tin (Sn), % | 0.75 to 1.1 | |
| 0.3 to 1.5 |
| Zinc (Zn), % | 35.6 to 42.8 | |
| 33.4 to 39.7 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.4 |