ASTM A576 Grade 11L09 Introduce
ASTM A576 Grade 11L09 is a special-graded steel with a unique chemical composition and a wide range of mechanical properties. The steel is manufactured by a modified version of the open-hearth process, making it ideal for a wide range of engineering and construction applications. ASTM A576 Grade 11L09 is a low-alloy steel and is primarily used in pipe and structural applications requiring high strength and lower temperatures. The steel has a relatively low-carbon content, making it a versatile and cost-effective option.
Smelting temperature:1597°C - 1729°C
Application:Super hot rolled carbon steel rod
ASTM A576 Grade 11L09 Material Mechanical Properties
The mechanical properties of the ASTM A576 Grade 11L09 steel are as follows:
| YieldRp0.2 | ≤ 734 (MPa) |
| TeileRm | ≤ 313 (MPa) |
| ImpactKV/Ku | 13(J) |
| ElongationA | 43% |
| Reduction in cross section on fractureZ | 12% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 412 |
ASTM A576 Grade 11L09 Material Thermal Properties
The thermal performance parameters of the ASTM A576 Grade 11L09 steel are as follows:
| Temperature (°C) | 24 | 334 | 375 |
| Modulus of elasticity (GPa) | - | 389 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 32 |
| Thermal conductivity (W/m·°C) | - | 41.3 | 24.2 |
| Specific thermal capacity (J/kg·°C) | - | 211 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.31 | - | - |
| Deity (kg/dm³) | - | - | 121 |
| Poisson’s coefficient, ν | - | - | 331 |
ASTM A576 Grade 11L09 Material Machining Technology
ASTM A576 Grade 11L09 steel is a specific grade of steel that is widely used in a range of machining applications. It is a carbon-manganese steel usually used in heavy-duty applications, particularly in the automotive and shipbuilding industries. Despite its application versatility, machining ASTM A576 Grade 11L09 steel can generally be a difficult process due to its properties.