SAE-AISI 1340 Steel vs. C38000 Brass
SAE-AISI 1340 steel belongs to the iron alloys classification, while C38000 brass belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI 1340 steel and the bottom bar is C38000 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 100 |
| Elongation at Break, % | 11 to 23 | |
| 17 |
| Poisson's Ratio | 0.29 | |
| 0.31 |
| Shear Modulus, GPa | 72 | |
| 39 |
| Shear Strength, MPa | 340 to 440 | |
| 230 |
| Tensile Strength: Ultimate (UTS), MPa | 540 to 730 | |
| 380 |
| Tensile Strength: Yield (Proof), MPa | 300 to 620 | |
| 120 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 110 |
| Melting Completion (Liquidus), °C | 1450 | |
| 800 |
| Melting Onset (Solidus), °C | 1410 | |
| 760 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 380 |
| Thermal Conductivity, W/m-K | 51 | |
| 110 |
| Thermal Expansion, µm/m-K | 12 | |
| 21 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 | |
| 22 |
| Density, g/cm3 | 7.8 | |
| 8.0 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 2.7 |
| Embodied Energy, MJ/kg | 19 | |
| 46 |
| Embodied Water, L/kg | 48 | |
| 330 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 78 to 110 | |
| 50 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 240 to 1040 | |
| 74 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 24 | |
| 19 |
| Strength to Weight: Axial, points | 19 to 26 | |
| 13 |
| Strength to Weight: Bending, points | 19 to 23 | |
| 14 |
| Thermal Diffusivity, mm2/s | 14 | |
| 37 |
| Thermal Shock Resistance, points | 17 to 23 | |
| 13 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.5 |
| Carbon (C), % | 0.38 to 0.43 | |
| 0 |
| Copper (Cu), % | 0 | |
| 55 to 60 |
| Iron (Fe), % | 97.2 to 97.9 | |
| 0 to 0.35 |
| Lead (Pb), % | 0 | |
| 1.5 to 2.5 |
| Manganese (Mn), % | 1.6 to 1.9 | |
| 0 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 |
| Silicon (Si), % | 0.15 to 0.35 | |
| 0 |
| Sulfur (S), % | 0 to 0.040 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0 to 0.3 |
| Zinc (Zn), % | 0 | |
| 35.9 to 43.5 |
| Residuals, % | 0 | |
| 0 to 0.5 |