JIS G3114 SMA490AP Introduce
Steel as a material can be roughly divided into two major types, ferrous and non-ferrous. Ferrous materials include steel, iron, and alloys. The JIS G3114 SMA490AP mainly defines the requirements for steel plates, but it also covers other steel products, including cold-rolled steel returns, structural steel, welded wire mesh and universal plates.
Smelting temperature:1616°C - 1862°C
Application:Hot rolled atmospheric corrosion resistant welded structural steel
JIS G3114 SMA490AP Material Mechanical Properties
JIS G3114 SMA490AP steel is known for its unique chemical and physical properties, which give it enhanced mechanical properties such as high tensile strength, yield strength, impact strength and hardness. Each grade has different properties and applications, so it is important to select the right grade for the specific application.
The mechanical properties of the JIS G3114 SMA490AP steel are as follows:
| YieldRp0.2 | ≤ 314 (MPa) |
| TeileRm | ≤ 125 (MPa) |
| ImpactKV/Ku | 24(J) |
| ElongationA | 34% |
| Reduction in cross section on fractureZ | 32% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 412 |
JIS G3114 SMA490AP Material Thermal Properties
The thermal performance parameters of the JIS G3114 SMA490AP steel are as follows:
| Temperature (°C) | 44 | 722 | 338 |
| Modulus of elasticity (GPa) | - | 284 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 41 |
| Thermal conductivity (W/m·°C) | - | 44.3 | 12.2 |
| Specific thermal capacity (J/kg·°C) | - | 141 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.13 | - | - |
| Deity (kg/dm³) | - | - | 143 |
| Poisson’s coefficient, ν | - | - | 113 |
JIS G3114 SMA490AP Material Machining Technology
JIS G3114 SMA490AP steel is a strong and durable steel that is popularly used in Japan for a variety of applications. It is relatively easy to machine although higher cutting speeds and the use of appropriate cutting tools and lubricants are essential for good results. As with any material, careful consideration should be given to the feed and speed ratios when machining JIS G3114 SMA490AP steel.