HT C82500 Copper vs. HT C99750 Brass
Both HT C82500 copper and HT C99750 brass are copper alloys. Both are furnished in the heat treated (HT) condition. They have 59% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is HT C82500 copper and the bottom bar is HT C99750 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 130 |
| Elongation at Break, % | 1.0 | |
| 20 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 45 | |
| 48 |
| Tensile Strength: Ultimate (UTS), MPa | 1100 | |
| 520 |
| Tensile Strength: Yield (Proof), MPa | 980 | |
| 280 |
Thermal Properties
| Latent Heat of Fusion, J/g | 240 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 280 | |
| 160 |
| Melting Completion (Liquidus), °C | 980 | |
| 840 |
| Melting Onset (Solidus), °C | 860 | |
| 820 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 410 |
| Thermal Expansion, µm/m-K | 17 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 20 | |
| 2.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 21 | |
| 2.2 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.8 | |
| 8.1 |
| Embodied Carbon, kg CO2/kg material | 10 | |
| 3.1 |
| Embodied Energy, MJ/kg | 160 | |
| 51 |
| Embodied Water, L/kg | 310 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 11 | |
| 87 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 4000 | |
| 300 |
| Stiffness to Weight: Axial, points | 7.7 | |
| 8.6 |
| Stiffness to Weight: Bending, points | 19 | |
| 21 |
| Strength to Weight: Axial, points | 35 | |
| 18 |
| Strength to Weight: Bending, points | 27 | |
| 18 |
| Thermal Shock Resistance, points | 38 | |
| 15 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.15 | |
| 0.25 to 3.0 |
| Beryllium (Be), % | 1.9 to 2.3 | |
| 0 |
| Chromium (Cr), % | 0 to 0.1 | |
| 0 |
| Cobalt (Co), % | 0.15 to 0.7 | |
| 0 |
| Copper (Cu), % | 95.3 to 97.8 | |
| 55 to 61 |
| Iron (Fe), % | 0 to 0.25 | |
| 0 to 1.0 |
| Lead (Pb), % | 0 to 0.020 | |
| 0.5 to 2.5 |
| Manganese (Mn), % | 0 | |
| 17 to 23 |
| Nickel (Ni), % | 0 to 0.2 | |
| 0 to 5.0 |
| Silicon (Si), % | 0.2 to 0.35 | |
| 0 |
| Tin (Sn), % | 0 to 0.1 | |
| 0 |
| Titanium (Ti), % | 0 to 0.12 | |
| 0 |
| Zinc (Zn), % | 0 to 0.1 | |
| 17 to 23 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.3 |