C99750 Brass vs. ACI-ASTM CB7Cu-1 Steel
C99750 brass belongs to the copper alloys classification, while ACI-ASTM CB7Cu-1 steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is C99750 brass and the bottom bar is ACI-ASTM CB7Cu-1 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 110 to 120 | |
| 300 to 420 |
| Elastic (Young's, Tensile) Modulus, GPa | 130 | |
| 190 |
| Elongation at Break, % | 20 to 30 | |
| 5.7 to 11 |
| Poisson's Ratio | 0.32 | |
| 0.28 |
| Shear Modulus, GPa | 48 | |
| 76 |
| Tensile Strength: Ultimate (UTS), MPa | 450 to 520 | |
| 960 to 1350 |
| Tensile Strength: Yield (Proof), MPa | 220 to 280 | |
| 760 to 1180 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 280 |
| Melting Completion (Liquidus), °C | 840 | |
| 1430 |
| Melting Onset (Solidus), °C | 820 | |
| 1500 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 480 |
| Thermal Expansion, µm/m-K | 20 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.0 | |
| 2.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.2 | |
| 2.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 13 |
| Density, g/cm3 | 8.1 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 3.1 | |
| 2.6 |
| Embodied Energy, MJ/kg | 51 | |
| 38 |
| Embodied Water, L/kg | 310 | |
| 130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 87 to 110 | |
| 71 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 190 to 300 | |
| 1500 to 3590 |
| Stiffness to Weight: Axial, points | 8.6 | |
| 14 |
| Stiffness to Weight: Bending, points | 21 | |
| 25 |
| Strength to Weight: Axial, points | 15 to 18 | |
| 34 to 48 |
| Strength to Weight: Bending, points | 16 to 18 | |
| 28 to 35 |
| Thermal Shock Resistance, points | 13 to 15 | |
| 32 to 45 |
Alloy Composition
| Aluminum (Al), % | 0.25 to 3.0 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.070 |
| Chromium (Cr), % | 0 | |
| 15.5 to 17.7 |
| Copper (Cu), % | 55 to 61 | |
| 2.5 to 3.2 |
| Iron (Fe), % | 0 to 1.0 | |
| 72.3 to 78.4 |
| Lead (Pb), % | 0.5 to 2.5 | |
| 0 |
| Manganese (Mn), % | 17 to 23 | |
| 0 to 0.7 |
| Nickel (Ni), % | 0 to 5.0 | |
| 3.6 to 4.6 |
| Niobium (Nb), % | 0 | |
| 0 to 0.35 |
| Nitrogen (N), % | 0 | |
| 0 to 0.050 |
| Phosphorus (P), % | 0 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Zinc (Zn), % | 17 to 23 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |