DIN17121 St52-3 Seamless Steel Pipes

In the realm of steel products, DIN17121 St52-3 seamless steel pipes stand out as a premier choice for their exceptional strength, durability, and versatility. These pipes are crafted from high-quality St52-3 steel, which boasts a unique chemical composition and mechanical properties that make it suitable for a wide range of applications.
Chemical Composition
The St52-3 steel used in the production of these seamless pipes is composed of carefully balanced chemical elements. Its composition includes a maximum of 0.20% carbon (C), 0.50% silicon (Si), 1.98% manganese (Mn), 0.040% phosphorus (P), and 0.040% sulfur (S). This precise blend ensures the steel possesses optimal strength and ductility, crucial factors for its intended use.
Mechanical Properties
The mechanical properties of DIN17121 St52-3 seamless steel pipes are nothing short of impressive. With a yield strength of at least 355 MPa and an ultimate tensile strength ranging from 490 MPa to 630 MPa, these pipes are designed to withstand significant stress and loads. Moreover, they exhibit a minimum elongation of 18%, ensuring excellent ductility and the ability to withstand deformation without breaking.
Heat Treatment
The heat treatment process plays a crucial role in the final properties of DIN17121 St52-3 seamless steel pipes. These pipes are subjected to various heat treatment methods such as annealing, normalizing, hot rolling, and controlled rolling. These processes enhance the steel's mechanical properties, including strength, ductility, and toughness, making it ideal for various applications.
Dimensional Range
DIN17121 St52-3 seamless steel pipes are available in a wide range of dimensions to meet the specific requirements of various industries. The pipes are typically available in outer diameters ranging from a few millimeters to several hundred millimeters, with wall thicknesses varying according to the intended application. This versatility allows for the pipes to be used in a diverse array of applications, from small-scale components to large-scale structures.
Impact Testing
The DIN17121 St52-3 seamless steel pipes undergo rigorous impact testing to ensure their superior resistance to shock and impact loads. The pipes are tested at low temperatures, such as 0°C, to assess their toughness and ability to withstand sudden impacts. These tests are critical in ensuring the safety and reliability of the pipes in demanding environments.
Main Application Scenarios
The superior mechanical properties and versatility of DIN17121 St52-3 seamless steel pipes make them suitable for a wide range of applications. These pipes are commonly used in the construction of buildings, bridges, and other civil engineering structures. They are also found in the manufacturing of heavy machinery, engineering equipment, and other industrial applications where durability and strength are paramount. Additionally, they are often utilized in the oil and gas industry for pipelines and other critical components.
TJC Steel Group Supply Case
As a leading steel supplier, TJC Steel Group is proud to offer a comprehensive range of DIN17121 St52-3 seamless steel pipes. Our pipes are sourced from reputable manufacturers and undergo strict quality control procedures to ensure they meet the highest standards. We have a track record of supplying these pipes to various industries, including construction, oil and gas, and heavy machinery manufacturing. Our clients trust us to provide reliable, high-quality products that meet their specific requirements and project needs.