S355J2H is a type of carbon structural steel with specific chemical composition and excellent physical properties. The minimum yield strength is 355MPa.
S355J2H is a hot-rolled structural hollow section steel in the European standard (EN 10210-1:2006), which belongs to the non-alloy structural steel series. The chemical composition of S355J2H mainly includes the following elements:
Carbon (C): The maximum content is usually 0.22%.
Silicon (Si): The maximum content is usually 0.55%.
Manganese (Mn): The maximum content is usually 1.60%.
Phosphorus (P): The maximum content is usually 0.035%.
Sulfur (S): Maximum content is usually 0.035%.
The production method of S355J2H mainly involves the production process of seamless steel pipes, which can be divided into hot rolling, cold rolling, cold drawing, extrusion and other methods.
S355J2H is a hot-rolled structural steel with the following characteristics:
1. High strength: S355J2H has relatively high yield strength and tensile strength, allowing it to withstand large loads in various structural and engineering applications.
2. Good weldability: This steel has excellent welding performance, can be easily welded, and is widely used in buildings and mechanical structures that require welding connections.
3. Good impact toughness: S355J2H can still maintain good impact toughness under low temperature conditions, which makes it suitable for structural parts used in cold environments.
4. Good processing performance: This steel has good processing performance in the hot-rolled state and can be processed and formed through cutting, bending, drilling and other processes.
5. Stable chemical composition: The chemical composition of S355J2H has been strictly controlled to ensure that the performance of the steel is stable and reliable and meets relevant standards and requirements.
6. Economical: As a kind of structural steel, S355J2H not only meets the performance requirements, but also has good economical efficiency, which can reduce costs while ensuring project quality.
S355J2H has a wide range of applications, mainly covering the following fields: In the construction field, S355J2H square tubes are often used to build frame structures, load-bearing columns and beams, etc. In the field of construction machinery, S355J2H square tubes are used to manufacture the load-bearing parts of cranes, excavators and other equipment. Steel structure engineering: S355J2H section steel is a low-temperature material and is often used in steel structure engineering in low-temperature climates, such as large-scale stadium construction and offshore oil platform construction. Conveying system: S355J2H seamless steel pipe can also be used to manufacture pipeline systems for conveying fluids, gases and solids. pidges and mining equipment: Used in the manufacture of pidges and mining equipment, its excellent mechanical properties and durability can meet the use needs of these equipment in harsh environments.
