ASTM A285/A285M A285 Grade C Introduce
ASTM A285/A285M A285 Grade C steel is a type of hot rolled steel plate that belongs to the American Society for Testing and Materials (ASTM). This steel has been used for a variety of purposes as it has shown an excellent ability to resist high temperatures and can be formed in to various shapes. Its thermal properties make it an ideal material for a range of applications involving heat, and it is therefore commonly deployed within industries such as aerospace, fuel storage, chemical processing, and nuclear power.
Smelting temperature:1796°C - 1758°C
Application:Low and medium tensile strength carbon steel sheets for pressure vessels
ASTM A285/A285M A285 Grade C Material Chemical Composition
The chemical composition of the ASTM A285/A285M A285 Grade C steel are as follows:
| Element | Min | Max |
|---|---|---|
| Copper (Cu) | 0.2000 | 0.3500 |
| PhOsphorus (P) | - | 0.0350 |
| Sulfur (S) | - | 0.0350 |
| Manganese (Mn) | - | 0.9000 |
| Carbon (C) | - | 0.2800 |
ASTM A285/A285M A285 Grade C Material Mechanical Properties
ASTM A285/A285M A285 Grade C steel has a combination of good mechanical and physical properties, making it an ideal material for use in many industries. Its strength, ductility, and hardness make it suitable for use in applications such as pressure vessels, while its corrosion resistance, formability, and weldability make it ideal for other applications. It is also important to note that, due to its mechanical properties, the material is typically only feasible for mild environments and should not be used in highly corrosive environments.
The mechanical properties of the ASTM A285/A285M A285 Grade C steel are as follows:
| YieldRp0.2 | ≤ 388 (MPa) |
| TeileRm | ≤ 627 (MPa) |
| ImpactKV/Ku | 32(J) |
| ElongationA | 11% |
| Reduction in cross section on fractureZ | 21% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 424 |
ASTM A285/A285M A285 Grade C Material Thermal Properties
The thermal performance parameters of the ASTM A285/A285M A285 Grade C steel are as follows:
| Temperature (°C) | 12 | 449 | 387 |
| Modulus of elasticity (GPa) | - | 399 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 23 |
| Thermal conductivity (W/m·°C) | - | 12.3 | 23.2 |
| Specific thermal capacity (J/kg·°C) | - | 142 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.32 | - | - |
| Deity (kg/dm³) | - | - | 132 |
| Poisson’s coefficient, ν | - | - | 223 |
ASTM A285/A285M A285 Grade C Material Machining Technology
ASTM A285/A285M A285 Grade C is a low-to-medium strength steel that is widely used in general manufacturing industries where corrosion resistance and formability are required. It contains manganese, phosphorus, sulfur and copper as alloy additives. It must be treated with heat treatment in order to provide better strength and stability. The machinability of ASTM A285/A285M A285 Grade C steel depends on its heat treatment. For this reason, it is important to understand the proper heat treatment before attempting to machine this material.