C68000 Brass vs. Grade TDC Steel
C68000 brass belongs to the copper alloys classification, while grade TDC steel belongs to the iron alloys. There are 22 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 C68000 brass and the bottom bar is grade TDC steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 190 |
| Poisson's Ratio | 0.3 | |
| 0.29 |
| Shear Modulus, GPa | 40 | |
| 80 |
| Tensile Strength: Ultimate (UTS), MPa | 390 | |
| 1700 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 400 |
| Melting Completion (Liquidus), °C | 880 | |
| 1450 |
| Melting Onset (Solidus), °C | 870 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 470 |
| Thermal Conductivity, W/m-K | 96 | |
| 51 |
| Thermal Expansion, µm/m-K | 21 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 1.9 |
| Density, g/cm3 | 8.0 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 1.4 |
| Embodied Energy, MJ/kg | 48 | |
| 19 |
| Embodied Water, L/kg | 330 | |
| 47 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.3 | |
| 13 |
| Stiffness to Weight: Bending, points | 20 | |
| 24 |
| Strength to Weight: Axial, points | 14 | |
| 60 |
| Strength to Weight: Bending, points | 15 | |
| 40 |
| Thermal Diffusivity, mm2/s | 31 | |
| 14 |
| Thermal Shock Resistance, points | 13 | |
| 50 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.010 | |
| 0 |
| Carbon (C), % | 0 | |
| 0.6 to 0.75 |
| Chromium (Cr), % | 0 | |
| 0 to 0.3 |
| Copper (Cu), % | 56 to 60 | |
| 0 to 0.1 |
| Iron (Fe), % | 0.25 to 1.3 | |
| 98 to 99.4 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Manganese (Mn), % | 0.010 to 0.5 | |
| 0.5 to 1.2 |
| Nickel (Ni), % | 0.2 to 0.8 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.020 |
| Silicon (Si), % | 0.040 to 0.15 | |
| 0.1 to 0.35 |
| Sulfur (S), % | 0 | |
| 0 to 0.020 |
| Tin (Sn), % | 0.75 to 1.1 | |
| 0 |
| Zinc (Zn), % | 35.6 to 42.8 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |