ASTM A1086 18T650 Introduce
ASTM A1086 18T650 is a high-strength, low-alloy, hot-rolled structural steel used in a wide range of applications. This strong and durable steel is comprised of a series of alloying elements and is produced through a quenching and tempering process. ASTM A1086 18T650 is often used in construction, bridge building, and heavy machinery manufacturing.
Smelting temperature:1276°C - 1973°C
Application:Standard Specification for Thin-Gauge Non-Oriented Electrical Steel Fully Processed Types
ASTM A1086 18T650 Material Mechanical Properties
ASTM A1086 18T650 steel is susceptible to oxidation and corrosion in certain environments. However, it is relatively resistant to corrosion and wear, thanks to its low alloy content. Chrome and nickel are present in the alloy in trace amounts, which provide corrosion resistance. The alloy is also coated with a protective coat of paint or zinc for added corrosion protection.
The mechanical properties of the ASTM A1086 18T650 steel are as follows:
| YieldRp0.2 | ≤ 279 (MPa) |
| TeileRm | ≤ 285 (MPa) |
| ImpactKV/Ku | 41(J) |
| ElongationA | 11% |
| Reduction in cross section on fractureZ | 44% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 331 |
ASTM A1086 18T650 Material Thermal Properties
The thermal performance parameters of the ASTM A1086 18T650 steel are as follows:
| Temperature (°C) | 21 | 181 | 714 |
| Modulus of elasticity (GPa) | - | 896 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 41 |
| Thermal conductivity (W/m·°C) | - | 34.3 | 12.2 |
| Specific thermal capacity (J/kg·°C) | - | 343 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.32 | - | - |
| Deity (kg/dm³) | - | - | 241 |
| Poisson’s coefficient, ν | - | - | 243 |
ASTM A1086 18T650 Material Machining Technology
Machining ASTM A1086 18T650 steel provides many advantages, including its high strength and resistance to corrosion. When machining this material, it is important to select the correct tooling, use the correct cutting fluid, and ensure that the material is heat treated before machining. By following these tips and guidelines, it is possible to achieve the best results when machining ASTM A1086 18T650 steel.