SEW 092 QStE380N Introduce
SEW 092 QStE380N steel is a versatile and reliable steel alloy used widely in the engineering and construction industries. This low-carbon alloy has excellent tensile strength, elasticity, and plasticity, making it ideal for use in everything from shipbuilding, machinery frames, and heavily loaded structures to outdoor applications such as pavements and petrol stations. If you are looking for a steel alloy with exceptional mechanical properties, SEW 092 QStE380N is the right choice for you.
Smelting temperature:1536°C - 1559°C
Application:High yield strength steel hot rolled sheet for cold forming
SEW 092 QStE380N Material Mechanical Properties
The mechanical properties of the SEW 092 QStE380N steel are as follows:
| YieldRp0.2 | 221 (≥)(MPa) |
| TeileRm | 466 (≥)(MPa) |
| ImpactKV/Ku | 13(J) |
| ElongationA | 31% |
| Reduction in cross section on fractureZ | 22% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 123 |
SEW 092 QStE380N Material Thermal Properties
The thermal performance parameters of the SEW 092 QStE380N steel are as follows:
| Temperature (°C) | 23 | 291 | 398 |
| Modulus of elasticity (GPa) | - | 231 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 12 |
| Thermal conductivity (W/m·°C) | - | 22.3 | 22.2 |
| Specific thermal capacity (J/kg·°C) | - | 214 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.24 | - | - |
| Deity (kg/dm³) | - | - | 331 |
| Poisson’s coefficient, ν | - | - | 243 |
SEW 092 QStE380N Material Machining Technology
Despite the challenges associated with machining SEW 092 QStE380N steel, there are some measures that can be taken to reduce the risk of fractures, tool wear and other potential issues. One of the most important steps to take is to use a high-quality cutting tool with a sharp edge. This will help ensure that the cutting edge does not become dull and that the machining process is more accurate. Additionally, it is important to use coolants during the machining process, as these can help reduce friction, heat buildup, and tool wear. It is also important to maintain a slow and steady speed when machining SEW 092 QStE380N steel, as this will help minimize the risk of fractures and other issues. Finally, choosing a softer material for the backing plate can help reduce tool wear and improve accuracy.