C99400 Brass vs. ACI-ASTM CB7Cu-2 Steel
C99400 brass belongs to the copper alloys classification, while ACI-ASTM CB7Cu-2 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is C99400 brass and the bottom bar is ACI-ASTM CB7Cu-2 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 190 |
| Poisson's Ratio | 0.34 | |
| 0.28 |
| Shear Modulus, GPa | 44 | |
| 75 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 550 | |
| 960 to 1350 |
| Tensile Strength: Yield (Proof), MPa | 230 to 370 | |
| 760 to 1180 |
Thermal Properties
| Latent Heat of Fusion, J/g | 230 | |
| 280 |
| Melting Completion (Liquidus), °C | 1070 | |
| 1430 |
| Melting Onset (Solidus), °C | 1020 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 480 |
| Thermal Expansion, µm/m-K | 17 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 17 | |
| 2.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 17 | |
| 2.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 13 |
| Density, g/cm3 | 8.7 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 2.6 |
| Embodied Energy, MJ/kg | 45 | |
| 38 |
| Embodied Water, L/kg | 310 | |
| 130 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 230 to 590 | |
| 1510 to 3600 |
| Stiffness to Weight: Axial, points | 7.5 | |
| 14 |
| Stiffness to Weight: Bending, points | 19 | |
| 25 |
| Strength to Weight: Axial, points | 15 to 17 | |
| 34 to 48 |
| Strength to Weight: Bending, points | 15 to 17 | |
| 28 to 35 |
| Thermal Shock Resistance, points | 16 to 19 | |
| 32 to 45 |
Alloy Composition
| Aluminum (Al), % | 0.5 to 2.0 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.070 |
| Chromium (Cr), % | 0 | |
| 14 to 15.5 |
| Copper (Cu), % | 83.5 to 96.5 | |
| 2.5 to 3.2 |
| Iron (Fe), % | 1.0 to 3.0 | |
| 73.6 to 79 |
| Lead (Pb), % | 0 to 0.25 | |
| 0 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 to 0.7 |
| Nickel (Ni), % | 1.0 to 3.5 | |
| 4.5 to 5.5 |
| Niobium (Nb), % | 0 | |
| 0 to 0.35 |
| Nitrogen (N), % | 0 | |
| 0 to 0.050 |
| Phosphorus (P), % | 0 | |
| 0 to 0.035 |
| Silicon (Si), % | 0.5 to 2.0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Zinc (Zn), % | 0.5 to 5.0 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |