SAE-AISI D4 Steel vs. C21000 Brass
SAE-AISI D4 steel belongs to the iron alloys classification, while C21000 brass belongs to the copper alloys. There are 27 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 SAE-AISI D4 steel and the bottom bar is C21000 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 8.4 to 15 | |
| 2.9 to 50 |
| Poisson's Ratio | 0.28 | |
| 0.34 |
| Shear Modulus, GPa | 74 | |
| 43 |
| Shear Strength, MPa | 460 to 1210 | |
| 180 to 280 |
| Tensile Strength: Ultimate (UTS), MPa | 760 to 2060 | |
| 240 to 450 |
| Tensile Strength: Yield (Proof), MPa | 470 to 1540 | |
| 69 to 440 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 200 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1070 |
| Melting Onset (Solidus), °C | 1380 | |
| 1050 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 390 |
| Thermal Conductivity, W/m-K | 31 | |
| 230 |
| Thermal Expansion, µm/m-K | 12 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 4.2 | |
| 56 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 5.0 | |
| 57 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 8.0 | |
| 30 |
| Density, g/cm3 | 7.7 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 3.3 | |
| 2.6 |
| Embodied Energy, MJ/kg | 49 | |
| 42 |
| Embodied Water, L/kg | 100 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 100 to 160 | |
| 13 to 100 |
| Stiffness to Weight: Axial, points | 14 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 25 | |
| 18 |
| Strength to Weight: Axial, points | 27 to 75 | |
| 7.4 to 14 |
| Strength to Weight: Bending, points | 24 to 47 | |
| 9.6 to 15 |
| Thermal Diffusivity, mm2/s | 8.3 | |
| 69 |
| Thermal Shock Resistance, points | 23 to 63 | |
| 8.1 to 15 |
Alloy Composition
| Carbon (C), % | 2.1 to 2.4 | |
| 0 |
| Chromium (Cr), % | 11 to 13 | |
| 0 |
| Copper (Cu), % | 0 to 0.25 | |
| 94 to 96 |
| Iron (Fe), % | 80.6 to 86.3 | |
| 0 to 0.050 |
| Lead (Pb), % | 0 | |
| 0 to 0.030 |
| Manganese (Mn), % | 0 to 0.6 | |
| 0 |
| Molybdenum (Mo), % | 0.7 to 1.2 | |
| 0 |
| Nickel (Ni), % | 0 to 0.3 | |
| 0 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 |
| Silicon (Si), % | 0 to 0.6 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Vanadium (V), % | 0 to 1.0 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 3.7 to 6.0 |
| Residuals, % | 0 | |
| 0 to 0.2 |