AISI 1020 Round Bars
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AISI 1020 is a low-carbon steel known for its good balance of strength, ductility, and weldability. With a carbon content of around 0.20%, it is often used in applications where moderate strength is required, such as in the manufacturing of machinery parts, bolts, and light-duty shafts. It is easy to machine and form, making it a popular choice for a wide range of industrial applications, particularly when surface hardness is not a critical requirement.
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| Property | Specification |
|---|---|
| Standard | AISI 1020, ASTM A29, ASTM A513, SAE J403 |
| Chemical Composition | C: 0.18-0.23%, Mn: 0.30-0.60%, P: ≤0.040%, S: ≤0.050% |
| Tensile Strength (MPa) | 350 - 450 MPa (in hot-rolled condition) |
| Yield Strength (MPa) | 205 MPa (in hot-rolled condition) |
| Elongation (%) | 15-30% (depending on condition and processing) |
| Hardness (HBW) | 119 - 179 HB (hot-rolled) |
| Modulus of Elasticity (GPa) | 205 - 210 GPa |
| Density (g/cm³) | 7.85 g/cm³ |
| Thermal Conductivity (W/m·K) | 51.9 W/m·K (at 20°C) |
| Specific Heat Capacity (J/kg·K) | 486 J/kg·K (at 20°C) |
| Heat Treatment | Can be carburized, normalized, or annealed |
| Applications | Machinery parts, bolts, shafts, light-duty axles, and general-purpose engineering applications |
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