ACI-ASTM CA40 Steel vs. C69300 Brass
ACI-ASTM CA40 steel belongs to the iron alloys classification, while C69300 brass belongs to the copper alloys. There are 28 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 ACI-ASTM CA40 steel and the bottom bar is C69300 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 10 | |
| 8.5 to 15 |
| Poisson's Ratio | 0.28 | |
| 0.32 |
| Shear Modulus, GPa | 76 | |
| 41 |
| Tensile Strength: Ultimate (UTS), MPa | 910 | |
| 550 to 630 |
| Tensile Strength: Yield (Proof), MPa | 860 | |
| 300 to 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 240 |
| Maximum Temperature: Mechanical, °C | 750 | |
| 160 |
| Melting Completion (Liquidus), °C | 1440 | |
| 880 |
| Melting Onset (Solidus), °C | 1500 | |
| 860 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 400 |
| Thermal Conductivity, W/m-K | 25 | |
| 38 |
| Thermal Expansion, µm/m-K | 10 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.0 | |
| 8.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.5 | |
| 8.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 7.5 | |
| 26 |
| Density, g/cm3 | 7.7 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 2.0 | |
| 2.7 |
| Embodied Energy, MJ/kg | 28 | |
| 45 |
| Embodied Water, L/kg | 100 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 89 | |
| 47 to 70 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1910 | |
| 400 to 700 |
| Stiffness to Weight: Axial, points | 14 | |
| 7.4 |
| Stiffness to Weight: Bending, points | 25 | |
| 19 |
| Strength to Weight: Axial, points | 33 | |
| 19 to 21 |
| Strength to Weight: Bending, points | 27 | |
| 18 to 20 |
| Thermal Diffusivity, mm2/s | 6.7 | |
| 12 |
| Thermal Shock Resistance, points | 33 | |
| 19 to 22 |
Alloy Composition
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| Carbon (C), % | 0.2 to 0.4 | |
| 0 |
| Chromium (Cr), % | 11.5 to 14 | |
| 0 |
| Copper (Cu), % | 0 | |
| 73 to 77 |
| Iron (Fe), % | 81.5 to 88.3 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 | |
| 0 to 0.090 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 0.1 |
| Molybdenum (Mo), % | 0 to 0.5 | |
| 0 |
| Nickel (Ni), % | 0 to 1.0 | |
| 0 to 0.1 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0.040 to 0.15 |
| Silicon (Si), % | 0 to 1.5 | |
| 2.7 to 3.4 |
| Sulfur (S), % | 0 to 0.040 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0 to 0.2 |
| Zinc (Zn), % | 0 | |
| 18.4 to 24.3 |
| Residuals, % | 0 | |
| 0 to 0.5 |