C34500 Brass vs. SAE-AISI 1040 Steel
C34500 brass belongs to the copper alloys classification, while SAE-AISI 1040 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is C34500 brass and the bottom bar is SAE-AISI 1040 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 190 |
| Elongation at Break, % | 12 to 28 | |
| 13 to 20 |
| Poisson's Ratio | 0.31 | |
| 0.29 |
| Shear Modulus, GPa | 40 | |
| 73 |
| Shear Strength, MPa | 220 to 260 | |
| 350 to 390 |
| Tensile Strength: Ultimate (UTS), MPa | 340 to 430 | |
| 570 to 640 |
| Tensile Strength: Yield (Proof), MPa | 120 to 180 | |
| 320 to 530 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 400 |
| Melting Completion (Liquidus), °C | 910 | |
| 1460 |
| Melting Onset (Solidus), °C | 890 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 470 |
| Thermal Conductivity, W/m-K | 120 | |
| 51 |
| Thermal Expansion, µm/m-K | 21 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 26 | |
| 7.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 29 | |
| 8.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 24 | |
| 1.8 |
| Density, g/cm3 | 8.2 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 1.4 |
| Embodied Energy, MJ/kg | 45 | |
| 18 |
| Embodied Water, L/kg | 320 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 42 to 75 | |
| 79 to 96 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 69 to 160 | |
| 270 to 760 |
| Stiffness to Weight: Axial, points | 7.1 | |
| 13 |
| Stiffness to Weight: Bending, points | 19 | |
| 24 |
| Strength to Weight: Axial, points | 12 to 15 | |
| 20 to 23 |
| Strength to Weight: Bending, points | 13 to 16 | |
| 19 to 21 |
| Thermal Diffusivity, mm2/s | 37 | |
| 14 |
| Thermal Shock Resistance, points | 11 to 14 | |
| 18 to 20 |
Alloy Composition
| Carbon (C), % | 0 | |
| 0.37 to 0.44 |
| Copper (Cu), % | 62 to 65 | |
| 0 |
| Iron (Fe), % | 0 to 0.15 | |
| 98.6 to 99.03 |
| Lead (Pb), % | 1.5 to 2.5 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0.6 to 0.9 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Sulfur (S), % | 0 | |
| 0 to 0.050 |
| Zinc (Zn), % | 32 to 36.5 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |