SAE-AISI 1108 Steel vs. C47940 Brass
SAE-AISI 1108 steel belongs to the iron alloys classification, while C47940 brass belongs to the copper 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 SAE-AISI 1108 steel and the bottom bar is C47940 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 100 |
| Elongation at Break, % | 23 to 34 | |
| 14 to 34 |
| Poisson's Ratio | 0.29 | |
| 0.31 |
| Shear Modulus, GPa | 73 | |
| 40 |
| Shear Strength, MPa | 250 to 280 | |
| 250 to 310 |
| Tensile Strength: Ultimate (UTS), MPa | 380 to 440 | |
| 380 to 520 |
| Tensile Strength: Yield (Proof), MPa | 220 to 360 | |
| 160 to 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 130 |
| Melting Completion (Liquidus), °C | 1460 | |
| 850 |
| Melting Onset (Solidus), °C | 1420 | |
| 800 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 380 |
| Thermal Conductivity, W/m-K | 52 | |
| 110 |
| Thermal Expansion, µm/m-K | 12 | |
| 20 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 25 |
| Density, g/cm3 | 7.9 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 2.8 |
| Embodied Energy, MJ/kg | 18 | |
| 47 |
| Embodied Water, L/kg | 46 | |
| 330 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 95 to 110 | |
| 68 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 340 | |
| 120 to 740 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 24 | |
| 19 |
| Strength to Weight: Axial, points | 13 to 16 | |
| 13 to 17 |
| Strength to Weight: Bending, points | 15 to 16 | |
| 14 to 17 |
| Thermal Diffusivity, mm2/s | 14 | |
| 36 |
| Thermal Shock Resistance, points | 12 to 14 | |
| 13 to 17 |
Alloy Composition
| Carbon (C), % | 0.080 to 0.13 | |
| 0 |
| Copper (Cu), % | 0 | |
| 63 to 66 |
| Iron (Fe), % | 98.9 to 99.24 | |
| 0.1 to 1.0 |
| Lead (Pb), % | 0 | |
| 1.0 to 2.0 |
| Manganese (Mn), % | 0.6 to 0.8 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0.1 to 0.5 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Sulfur (S), % | 0.080 to 0.13 | |
| 0 |
| Tin (Sn), % | 0 | |
| 1.2 to 2.0 |
| Zinc (Zn), % | 0 | |
| 28.1 to 34.6 |
| Residuals, % | 0 | |
| 0 to 0.4 |