ASTM A576 Grade 1109 Introduce
ASTM A576 Grade 1109 steel is commonly used in a variety of construction and engineering applications. It is a low-alloy, carbon-manganese steel that possesses good tensile strength and ductility. Along with its excellent mechanical properties, ASTM A576 Grade 1109 steel also has several thermal properties that make it an ideal material for heat-resistant applications.
Smelting temperature:1336°C - 1413°C
Application:Super hot rolled carbon steel rod
ASTM A576 Grade 1109 Material Chemical Composition
The chemical composition of the ASTM A576 Grade 1109 steel are as follows:
| Element | Min | Max |
|---|---|---|
| PhOsphorus (P) | - | 0.0400 |
| Sulfur (S) | 0.0800 | 0.1300 |
| Manganese (Mn) | 0.3000 | 0.6000 |
| Carbon (C) | 0.0800 | 0.1300 |
| Silicon (Si) | - | 0.1000 |
ASTM A576 Grade 1109 Material Mechanical Properties
The mechanical properties of the ASTM A576 Grade 1109 steel are as follows:
| YieldRp0.2 | ≤ 946 (MPa) |
| TeileRm | ≤ 346 (MPa) |
| ImpactKV/Ku | 23(J) |
| ElongationA | 43% |
| Reduction in cross section on fractureZ | 34% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 344 |
ASTM A576 Grade 1109 Material Thermal Properties
The thermal performance parameters of the ASTM A576 Grade 1109 steel are as follows:
| Temperature (°C) | 21 | 596 | 439 |
| Modulus of elasticity (GPa) | - | 638 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 42 |
| Thermal conductivity (W/m·°C) | - | 12.3 | 33.2 |
| Specific thermal capacity (J/kg·°C) | - | 123 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.31 | - | - |
| Deity (kg/dm³) | - | - | 334 |
| Poisson’s coefficient, ν | - | - | 123 |
ASTM A576 Grade 1109 Material Machining Technology
ASTM A576 Grade 1109 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 1109 steel can generally be a difficult process due to its properties.