ACI-ASTM CB7Cu-1 Steel vs. C85400 Brass
ACI-ASTM CB7Cu-1 steel belongs to the iron alloys classification, while C85400 brass belongs to the copper alloys. There are 28 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 ACI-ASTM CB7Cu-1 steel and the bottom bar is C85400 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 300 to 420 | |
| 55 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 100 |
| Elongation at Break, % | 5.7 to 11 | |
| 23 |
| Poisson's Ratio | 0.28 | |
| 0.32 |
| Shear Modulus, GPa | 76 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 960 to 1350 | |
| 220 |
| Tensile Strength: Yield (Proof), MPa | 760 to 1180 | |
| 85 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 180 |
| Melting Completion (Liquidus), °C | 1430 | |
| 940 |
| Melting Onset (Solidus), °C | 1500 | |
| 940 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 380 |
| Thermal Conductivity, W/m-K | 17 | |
| 89 |
| Thermal Expansion, µm/m-K | 11 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.0 | |
| 20 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.3 | |
| 22 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 25 |
| Density, g/cm3 | 7.8 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.8 |
| Embodied Energy, MJ/kg | 38 | |
| 46 |
| Embodied Water, L/kg | 130 | |
| 330 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 71 to 120 | |
| 40 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1500 to 3590 | |
| 35 |
| Stiffness to Weight: Axial, points | 14 | |
| 7.0 |
| Stiffness to Weight: Bending, points | 25 | |
| 19 |
| Strength to Weight: Axial, points | 34 to 48 | |
| 7.5 |
| Strength to Weight: Bending, points | 28 to 35 | |
| 9.9 |
| Thermal Diffusivity, mm2/s | 4.6 | |
| 28 |
| Thermal Shock Resistance, points | 32 to 45 | |
| 7.6 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.35 |
| Carbon (C), % | 0 to 0.070 | |
| 0 |
| Chromium (Cr), % | 15.5 to 17.7 | |
| 0 |
| Copper (Cu), % | 2.5 to 3.2 | |
| 65 to 70 |
| Iron (Fe), % | 72.3 to 78.4 | |
| 0 to 0.7 |
| Lead (Pb), % | 0 | |
| 1.5 to 3.8 |
| Manganese (Mn), % | 0 to 0.7 | |
| 0 |
| Nickel (Ni), % | 3.6 to 4.6 | |
| 0 to 1.0 |
| Niobium (Nb), % | 0 to 0.35 | |
| 0 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.050 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0.5 to 1.5 |
| Zinc (Zn), % | 0 | |
| 24 to 32 |
| Residuals, % | 0 | |
| 0 to 1.1 |