C47940 Brass vs. ASTM A387 Grade 22 Steel
C47940 brass belongs to the copper alloys classification, while ASTM A387 grade 22 steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is C47940 brass and the bottom bar is ASTM A387 grade 22 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 190 |
| Elongation at Break, % | 14 to 34 | |
| 21 |
| Poisson's Ratio | 0.31 | |
| 0.29 |
| Shear Modulus, GPa | 40 | |
| 74 |
| Shear Strength, MPa | 250 to 310 | |
| 300 to 380 |
| Tensile Strength: Ultimate (UTS), MPa | 380 to 520 | |
| 480 to 600 |
| Tensile Strength: Yield (Proof), MPa | 160 to 390 | |
| 230 to 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 260 |
| Maximum Temperature: Mechanical, °C | 130 | |
| 460 |
| Melting Completion (Liquidus), °C | 850 | |
| 1470 |
| Melting Onset (Solidus), °C | 800 | |
| 1430 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 470 |
| Thermal Conductivity, W/m-K | 110 | |
| 40 |
| Thermal Expansion, µm/m-K | 20 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 25 | |
| 3.8 |
| Density, g/cm3 | 8.2 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 1.7 |
| Embodied Energy, MJ/kg | 47 | |
| 23 |
| Embodied Water, L/kg | 330 | |
| 58 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 68 to 100 | |
| 85 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 120 to 740 | |
| 140 to 320 |
| Stiffness to Weight: Axial, points | 7.1 | |
| 13 |
| Stiffness to Weight: Bending, points | 19 | |
| 24 |
| Strength to Weight: Axial, points | 13 to 17 | |
| 17 to 21 |
| Strength to Weight: Bending, points | 14 to 17 | |
| 17 to 20 |
| Thermal Diffusivity, mm2/s | 36 | |
| 11 |
| Thermal Shock Resistance, points | 13 to 17 | |
| 14 to 17 |
Alloy Composition
| Carbon (C), % | 0 | |
| 0.050 to 0.15 |
| Chromium (Cr), % | 0 | |
| 2.0 to 2.5 |
| Copper (Cu), % | 63 to 66 | |
| 0 |
| Iron (Fe), % | 0.1 to 1.0 | |
| 95.1 to 96.8 |
| Lead (Pb), % | 1.0 to 2.0 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0.3 to 0.6 |
| Molybdenum (Mo), % | 0 | |
| 0.9 to 1.1 |
| Nickel (Ni), % | 0.1 to 0.5 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.025 |
| Tin (Sn), % | 1.2 to 2.0 | |
| 0 |
| Zinc (Zn), % | 28.1 to 34.6 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |