HT C99400 Brass vs. HT C99750 Brass
Both HT C99400 brass and HT C99750 brass are copper alloys. Both are furnished in the heat treated (HT) condition. They have 65% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is HT C99400 brass and the bottom bar is HT C99750 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 130 |
| Poisson's Ratio | 0.34 | |
| 0.32 |
| Shear Modulus, GPa | 44 | |
| 48 |
| Tensile Strength: Ultimate (UTS), MPa | 550 | |
| 520 |
| Tensile Strength: Yield (Proof), MPa | 370 | |
| 280 |
Thermal Properties
| Latent Heat of Fusion, J/g | 230 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 160 |
| Melting Completion (Liquidus), °C | 1070 | |
| 840 |
| Melting Onset (Solidus), °C | 1020 | |
| 820 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 410 |
| Thermal Expansion, µm/m-K | 17 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 17 | |
| 2.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 17 | |
| 2.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 23 |
| Density, g/cm3 | 8.7 | |
| 8.1 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 3.1 |
| Embodied Energy, MJ/kg | 45 | |
| 51 |
| Embodied Water, L/kg | 310 | |
| 310 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 590 | |
| 300 |
| Stiffness to Weight: Axial, points | 7.5 | |
| 8.6 |
| Stiffness to Weight: Bending, points | 19 | |
| 21 |
| Strength to Weight: Axial, points | 17 | |
| 18 |
| Strength to Weight: Bending, points | 17 | |
| 18 |
| Thermal Shock Resistance, points | 19 | |
| 15 |
Alloy Composition
| Aluminum (Al), % | 0.5 to 2.0 | |
| 0.25 to 3.0 |
| Copper (Cu), % | 83.5 to 96.5 | |
| 55 to 61 |
| Iron (Fe), % | 1.0 to 3.0 | |
| 0 to 1.0 |
| Lead (Pb), % | 0 to 0.25 | |
| 0.5 to 2.5 |
| Manganese (Mn), % | 0 to 0.5 | |
| 17 to 23 |
| Nickel (Ni), % | 1.0 to 3.5 | |
| 0 to 5.0 |
| Silicon (Si), % | 0.5 to 2.0 | |
| 0 |
| Zinc (Zn), % | 0.5 to 5.0 | |
| 17 to 23 |
| Residuals, % | 0 | |
| 0 to 0.3 |