SAE-AISI 1055 Steel vs. C21000 Brass
SAE-AISI 1055 steel belongs to the iron alloys classification, while C21000 brass belongs to the copper alloys. There are 29 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 1055 steel and the bottom bar is C21000 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 11 to 14 | |
| 2.9 to 50 |
| Poisson's Ratio | 0.29 | |
| 0.34 |
| Shear Modulus, GPa | 72 | |
| 43 |
| Shear Strength, MPa | 440 to 450 | |
| 180 to 280 |
| Tensile Strength: Ultimate (UTS), MPa | 730 to 750 | |
| 240 to 450 |
| Tensile Strength: Yield (Proof), MPa | 400 to 630 | |
| 69 to 440 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 190 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1070 |
| Melting Onset (Solidus), °C | 1420 | |
| 1050 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 390 |
| Thermal Conductivity, W/m-K | 51 | |
| 230 |
| Thermal Expansion, µm/m-K | 12 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 11 | |
| 56 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 12 | |
| 57 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 30 |
| Density, g/cm3 | 7.8 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 2.6 |
| Embodied Energy, MJ/kg | 18 | |
| 42 |
| Embodied Water, L/kg | 46 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 80 to 85 | |
| 13 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 440 to 1070 | |
| 21 to 830 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 24 | |
| 18 |
| Strength to Weight: Axial, points | 26 | |
| 7.4 to 14 |
| Strength to Weight: Bending, points | 23 | |
| 9.6 to 15 |
| Thermal Diffusivity, mm2/s | 14 | |
| 69 |
| Thermal Shock Resistance, points | 23 to 24 | |
| 8.1 to 15 |
Alloy Composition
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| Carbon (C), % | 0.5 to 0.6 | |
| 0 |
| Copper (Cu), % | 0 | |
| 94 to 96 |
| Iron (Fe), % | 98.4 to 98.9 | |
| 0 to 0.050 |
| Lead (Pb), % | 0 | |
| 0 to 0.030 |
| Manganese (Mn), % | 0.6 to 0.9 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Sulfur (S), % | 0 to 0.050 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 3.7 to 6.0 |
| Residuals, % | 0 | |
| 0 to 0.2 |