What Is EN10219? A Complete Guide to Cold-Formed Welded Steel Tubes In modern architecture and industrial manufacturing, EN10219 cold-formed steel tubes are widely used in various construction projects due to their lightweight structure, high strength, and flexible processing capabilities. Especially in the European market and international projects, EN10219 has become an essential technical standard for the production and inspection of cold-formed structural pipes. This article provides an in-depth analysis of the standard's definition, technical specifications, application scenarios, and real-world case…

EN 10219 Certificate of Conformity (EN 10204 3.1): What You Need to Know In the process of steel pipe procurement and project acceptance, the Conformity Certificate is a crucial quality document. For structural welded steel pipes manufactured in accordance with the EN 10219 standard, the EN 10204 3.1 or 3.2 certificate serves as the core basis for judging the conformity and traceability of materials. So, what is the difference between EN 10204 3.1 and 3.2? Which one should be chosen…

In modern construction and engineering fields, EN 10219 steel pipes have become one of the most widely used and reliable materials due to their excellent performance. Whether used as structural pipes for support or as essential load-bearing components, choosing the right steel pipe is crucial. However, with so many specifications and brands available in the market, making an informed purchasing decision to ensure that each pipe meets the project’s technical requirements and quality standards is a challenge that buyers must…

In today's globalized market, structural pipes, as a core material for various construction, infrastructure, and industrial projects, have always been a key focus in terms of compliance. Especially in the European market, with environmental and safety standards continuously rising, quality control and certification of products have become crucial. For manufacturers, ensuring that their products meet the EN 10219 standard and obtain CE certification is not only a prerequisite for entering the EU market, but also a key step in maintaining…

With the rapid acceleration of urbanization, the construction industry is undergoing unprecedented transformation and opportunity. Green buildings, prefabricated construction, and efficient structural design have become mainstream trends in modern architecture. In this wave of development, EN 10219 steel pipes are widely used in modern building steel structures, thanks to their outstanding performance and standardized manufacturing processes, making them a preferred choice for many structural engineers and designers. As a type of structural hollow section steel, EN 10219 steel pipes offer…

In critical infrastructure projects like wind turbine towers and cross-sea bridges, conventional steel pipes often face construction delays due to insufficient strength or low-temperature brittleness. However, EN 10219-compliant S355J2H high-strength structural pipes are emerging as the industry's new favorite - boasting not only an exceptional 355MPa yield strength but also remarkable -20°C impact resistance. Their superior weldability can reduce construction time by over 30%. With the rapid development of renewable energy infrastructure, these high-strength, high-toughness pipes are redefining industry standards...…

ASTM A671 VS ASTM A672: Raw materials, Performances, Applications (Comparison of ASTM A671 and ASTM A672 Standards and Material Properties) In the steel industry, ASTM A671 VS ASTM A672 are important standards developed by the American Society for Testing and Materials (ASTM). They are primarily used to regulate the production and application of electric fusion-welded steel pipes. Understanding the material properties specified in these two standards is crucial for selecting industrial pipelines. This article will conduct a detailed comparative analysis…

Analysis of National Standards Corresponding to EN 10219-1 & 2 Overview of EN 10219-1 & 2 Standards The EN 10219 series standards (including EN 10219 2006, BS EN 10219-1 2006, BS EN 10219 2 2006, and EN 10219 2 2006) apply to welded square tubes, rectangular tubes, and other cold-formed hollow section products made of non-alloy steel and fine-grained structural steel. These products are widely used in fields such as steel structures, support components, bridges, and machinery manufacturing. Among them,…

In steel structures, equipment manufacturing, and construction projects, are you also struggling to decide which steel pipe to choose? Especially when it comes to EN 10219 vs EN 10210, they may look similar, but their uses differ greatly. One is a cold-formed steel pipe, the other is a hot-formed steel pipe—similar appearance, but with different performance, costs, and application scenarios. How can you quickly tell them apart? How to strike the right balance between structural safety, processing efficiency, and budget?…

As modern construction and engineering projects increasingly pursue efficiency and lightweight design, cold-formed steel tubes are becoming a key choice in structural design. Recognized as one of the leading European standards, EN 10219 is being widely adopted across various projects, especially for its advantages in high strength, sustainability, and precision manufacturing. This article offers a quick Introduction to the EN 10219 Standard, while also addressing common topics such as EN 10219 Rectangular and Square Tube Specifications Explained, Differences Between S355J2H…

Tired of slow, outdated packaging equipment? Discover the innovative stainless steel long tube packaging machine—also known as a fully automatic single-tube film packaging system. This modern solution transforms the way long steel tubes are packed, ensuring efficiency, safety, and consistency. Designed for compatibility with various packaging materials like polyethylene and plastic films, this machine significantly reduces labor demands by operating automatically. It protects the quality of the tubes throughout the entire packaging process. Let’s explore how this cutting-edge machine works.…

In the wave of continuous global industrial upgrades, steel pipe standards and selection have become a focal point for many companies. Whether in oil and gas pipeline projects or high-temperature, high-pressure boiler applications, how to choose the right steel pipe standard directly affects project safety, costs, and the convenience of later maintenance. Faced with a wide variety of specifications on the market—such as ASTM A53, ASTM A106, and API 5L—many engineering professionals are seeking a practical steel pipe selection guide…

With the rapid development of modern industry and infrastructure, steel pipes have become indispensable structural materials. Whether in construction projects or pipeline systems in the oil and gas industry, steel pipes play a crucial role. Faced with a wide variety of steel pipe types on the market, choosing the right steel pipe type has become a critical issue for engineers and procurement professionals. Welded steel pipes and seamless steel pipes, as two major mainstream products, each have unique advantages and…

As the energy, chemical, and power industries continue to evolve rapidly, the selection of steel pipe standards for industrial applications has become increasingly critical. With growing attention to material performance and cost-effectiveness, choosing the right specification that fits specific working conditions is a common challenge for engineers and procurement professionals alike. Standards such as ASTM A671, API 5L, and ASTM A106 represent some of the most widely used options, each catering to different pressure levels, temperature environments, and structural demands.…

Against the backdrop of a global shift in energy structures, multinational infrastructure projects are advancing at an unprecedented pace, particularly in sectors like natural gas, oil, and power. As a critical material in pressure-bearing transportation systems, ASTM A671 steel pipes have gained increasing prominence in the material lists of international energy projects due to their excellent mechanical properties and reliable weldability. Whether in Middle Eastern LNG terminals or energy corridors between Central and South Asia, ASTM A671 has proven itself…