C99400 Brass vs. SAE-AISI M4 Steel
C99400 brass belongs to the copper alloys classification, while SAE-AISI M4 steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is C99400 brass and the bottom bar is SAE-AISI M4 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 200 |
| Poisson's Ratio | 0.34 | |
| 0.29 |
| Shear Modulus, GPa | 44 | |
| 76 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 550 | |
| 770 to 2150 |
Thermal Properties
| Latent Heat of Fusion, J/g | 230 | |
| 260 |
| Melting Completion (Liquidus), °C | 1070 | |
| 1610 |
| Melting Onset (Solidus), °C | 1020 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 440 |
| Thermal Expansion, µm/m-K | 17 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 25 |
| Density, g/cm3 | 8.7 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 14 |
| Embodied Energy, MJ/kg | 45 | |
| 210 |
| Embodied Water, L/kg | 310 | |
| 110 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.5 | |
| 13 |
| Stiffness to Weight: Bending, points | 19 | |
| 23 |
| Strength to Weight: Axial, points | 15 to 17 | |
| 26 to 72 |
| Strength to Weight: Bending, points | 15 to 17 | |
| 23 to 45 |
| Thermal Shock Resistance, points | 16 to 19 | |
| 24 to 68 |
Alloy Composition
| Aluminum (Al), % | 0.5 to 2.0 | |
| 0 |
| Carbon (C), % | 0 | |
| 1.3 to 1.4 |
| Chromium (Cr), % | 0 | |
| 3.8 to 4.8 |
| Copper (Cu), % | 83.5 to 96.5 | |
| 0 to 0.25 |
| Iron (Fe), % | 1.0 to 3.0 | |
| 75.9 to 81.4 |
| Lead (Pb), % | 0 to 0.25 | |
| 0 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0.15 to 0.4 |
| Molybdenum (Mo), % | 0 | |
| 4.3 to 5.5 |
| Nickel (Ni), % | 1.0 to 3.5 | |
| 0 to 0.3 |
| Phosphorus (P), % | 0 | |
| 0 to 0.030 |
| Silicon (Si), % | 0.5 to 2.0 | |
| 0.2 to 0.45 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Tungsten (W), % | 0 | |
| 5.3 to 6.5 |
| Vanadium (V), % | 0 | |
| 3.8 to 4.5 |
| Zinc (Zn), % | 0.5 to 5.0 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |