SAE-AISI 1140 Steel vs. C99750 Brass
SAE-AISI 1140 steel belongs to the iron alloys classification, while C99750 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 1140 steel and the bottom bar is C99750 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 170 to 180 | |
| 110 to 120 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 130 |
| Elongation at Break, % | 14 to 18 | |
| 20 to 30 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 72 | |
| 48 |
| Tensile Strength: Ultimate (UTS), MPa | 600 to 700 | |
| 450 to 520 |
| Tensile Strength: Yield (Proof), MPa | 340 to 570 | |
| 220 to 280 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 160 |
| Melting Completion (Liquidus), °C | 1460 | |
| 840 |
| Melting Onset (Solidus), °C | 1420 | |
| 820 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 410 |
| Thermal Expansion, µm/m-K | 13 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
| 2.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.1 | |
| 2.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 23 |
| Density, g/cm3 | 7.8 | |
| 8.1 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 3.1 |
| Embodied Energy, MJ/kg | 18 | |
| 51 |
| Embodied Water, L/kg | 46 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 89 to 93 | |
| 87 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 310 to 870 | |
| 190 to 300 |
| Stiffness to Weight: Axial, points | 13 | |
| 8.6 |
| Stiffness to Weight: Bending, points | 24 | |
| 21 |
| Strength to Weight: Axial, points | 21 to 25 | |
| 15 to 18 |
| Strength to Weight: Bending, points | 20 to 22 | |
| 16 to 18 |
| Thermal Shock Resistance, points | 18 to 21 | |
| 13 to 15 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0.25 to 3.0 |
| Carbon (C), % | 0.37 to 0.44 | |
| 0 |
| Copper (Cu), % | 0 | |
| 55 to 61 |
| Iron (Fe), % | 98.4 to 98.9 | |
| 0 to 1.0 |
| Lead (Pb), % | 0 | |
| 0.5 to 2.5 |
| Manganese (Mn), % | 0.7 to 1.0 | |
| 17 to 23 |
| Nickel (Ni), % | 0 | |
| 0 to 5.0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Sulfur (S), % | 0.080 to 0.13 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 17 to 23 |
| Residuals, % | 0 | |
| 0 to 0.3 |