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PRODUCT DESCRIPTION
St52.0 seamless steel pipe is a high-strength non-alloy steel product that complies with the German industrial standard DIN 1629. Its material number is W-Nr.1.0421. It has excellent tensile strength and yield strength and is suitable for fields with strict requirements on material properties such as machinery manufacturing, boilers, pressure vessels and high-load piping systems. The steel pipe is produced using a seamless process to ensure structural uniformity and pressure-bearing capacity, while providing good welding and processing performance. Under the same standard, St37.0 and St44.0 are similar low-strength grade steels, corresponding to more basic mechanical performance requirements. The three meet different engineering scenarios through differentiated carbon and manganese content adjustments. For example, St37.0 steel pipe is often used for ordinary structural parts, while St44.0 is suitable for medium stress environments. All grades strictly follow the chemical composition and mechanical properties specifications of DIN 1629. The adaptation grade can be selected according to project requirements to achieve a balanced optimization of cost and performance.
St52.0 seamless steel pipe corresponds to DIN 1629 standard. With the high strength and seamless forming process of W-Nr.1.0421 material, it has become the core solution in the heavy-duty industrial field. Whether it is the hydraulic support structure of mining machinery, the pressure-resistant pipeline of the high-pressure boiler of the power plant, or the transportation system of the anti-corrosive medium in the chemical equipment, its excellent tensile and yield properties can provide reliable guarantee. In bridge engineering, St52.0 steel pipe can be used as a key load-bearing component of the large-span truss, while the automotive manufacturing field uses its precise cold bending characteristics to process high-precision transmission shafts. In comparison, the St37.0 seamless pipe under the same standard is more suitable for conventional scenes such as light storage shelves and ventilation ducts, while St44.0 is competent for medium load requirements such as building curtain wall keels and agricultural machinery frames. The full range of products achieves uniform wall thickness and zero weld defects through seamless cold drawing/hot rolling technology, combined with the precise control of carbon and manganese elements in German standards, to ensure long-term stability under complex working conditions from urban underground integrated pipeline corridors to offshore platform oil pipelines. Provide gradient material selection solutions for different industries from infrastructure to high-end equipment, empowering industrial innovation with materials science.
CHEMICAL COMPOSITION
Zhongjing Steel Group (Guangdong) Co.,Ltd. specializes in the production of cold-rolled/hot-rolled coils, carbon steel pipes, bars, and PPGI materials. It is a modern enterprise integrating carbon steel production, processing, and trade. It is a Chinese iron and steel enterprise group.
