ASTM A576 Grade 1548 Introduce
ASTM A576 Grade 1548 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 1548 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:1394°C - 1133°C
Application:Super hot rolled carbon steel rod
ASTM A576 Grade 1548 Material Chemical Composition
The chemical composition of the ASTM A576 Grade 1548 steel are as follows:
| Element | Min | Max |
|---|---|---|
| PhOsphorus (P) | - | 0.0400 |
| Sulfur (S) | - | 0.0500 |
| Manganese (Mn) | 0.8500 | 1.1500 |
| Silicon (Si) | 0.1500 | 0.3500 |
| Carbon (C) | 0.4500 | 0.5600 |
| Silicon (Si) | - | 0.1000 |
| Copper (Cu) | 0.2000 | - |
| Boron (B) | 0.0005 | 0.0030 |
ASTM A576 Grade 1548 Material Mechanical Properties
The mechanical properties of the ASTM A576 Grade 1548 steel are as follows:
| YieldRp0.2 | ≤ 377 (MPa) |
| TeileRm | ≤ 432 (MPa) |
| ImpactKV/Ku | 11(J) |
| ElongationA | 43% |
| Reduction in cross section on fractureZ | 33% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 343 |
ASTM A576 Grade 1548 Material Thermal Properties
The thermal performance parameters of the ASTM A576 Grade 1548 steel are as follows:
| Temperature (°C) | 11 | 714 | 511 |
| Modulus of elasticity (GPa) | - | 151 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 24 |
| Thermal conductivity (W/m·°C) | - | 42.3 | 24.2 |
| Specific thermal capacity (J/kg·°C) | - | 444 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.14 | - | - |
| Deity (kg/dm³) | - | - | 144 |
| Poisson’s coefficient, ν | - | - | 234 |
ASTM A576 Grade 1548 Material Machining Technology
ASTM A576 Grade 1548 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 1548 steel can generally be a difficult process due to its properties.