EN 10219 S355J0H is a cold-formed welded structural hollow steel tube in accordance with EN 10219 with a minimum yield strength of 355 MPa (wall thickness ≤ 16 mm) and an impact energy of at least 27 J at 0°C
Jun 11, 2025 read moreLarge-diameter spiral steel pipes are essential components in modern industrial and infrastructure projects. Their defining characteristic—their large diameter—makes them ideal for high-volume transportation and heavy-load applications. Despite their widespread use and growing market demand, several challenges continue to impact their development and production. This article outlines the key challenges faced by the industry, proposes practical solutions, and offers insights into future development trends.
Jun 10, 2025 read moreCarbon steel welded pipe is extensively used across various industries such as petrochemicals, power generation, construction, and manufacturing. Due to its widespread application, the standardization of carbon steel welded pipe is of significant importance. Below is an overview of the major standards and material grades associated with carbon steel welded pipes.
Jun 09, 2025 read moreSpiral welded steel pipes (SSAW pipes) may develop residual magnetism during production, primarily due to prolonged friction and electrical welding processes. This magnetic property, if left untreated, can lead to several quality and performance issues, particularly in high-grade pipeline applications.
Jun 05, 2025 read moreWelded steel pipes are widely used in infrastructure, energy, and industrial systems. Two major types dominate the market: straight seam welded pipes (including ERW and LSAW) and spiral welded pipes (SSAW). Each has its own production process, advantages, and ideal use cases.
Jun 04, 2025 read moreEN 10210 S355J2H is a hot-finished structural hollow section manufactured in accordance with the European standard EN 10210. It features a minimum yield strength of 355 MPa for wall thicknesses up to 16 mm and offers excellent toughness at low temperatures, capable of withstanding impacts down to -20°C. This makes it a versatile choice for a wide range of applications in construction and engineering industries.
May 30, 2025 read moreElectric Resistance Welded (ERW) steel pipes are widely used in construction, oil and gas transportation, water pipelines, and structural applications due to their high efficiency and uniform wall thickness. One critical aspect that buyers and engineers must understand when selecting ERW steel pipes is dimensional tolerance. Precise dimensions directly affect installation accuracy, structural integrity, and cost-efficiency. In this blog post, we’ll explore what dimensional tolerance means for ERW pipes, why it matters, and how international standards define it.
May 29, 2025 read moreWelding is a critical step in the production of Electric Resistance Welded (ERW) carbon steel pipes, directly affecting their strength, integrity, and durability. However, due to the complexity of the welding process and material characteristics, various defects can occur if proper procedures are not followed. This article outlines the most common welding defects found in carbon steel ERW pipes, their causes, characteristics, and potential impacts on performance.
May 22, 2025 read moreCarbon steel Electric Resistance Welded (ERW) pipes are widely used in various industries due to their cost-effectiveness and manufacturing efficiency. Produced through a high-speed continuous process, ERW pipes are known for their versatility in applications ranging from structural components to oil and gas pipelines. However, like any material, they come with both advantages and limitations. Understanding these pros and cons is essential for making informed decisions in project design, material selection, and engineering application.
May 21, 2025 read moreAPI 5L PSL1 Pipe is a steel pipe that is commonly used for pipeline transport systems in the oil and natural gas industries. World iron&steel is a professional manufacturer, exporter and supplier of carbon steel pipes in China. Our products including API 5L GR. B X42 Pipe, X52 Pipe, X56 Pipe, X60 Pipe, X65 Pipe, X70 Pipe in seamless and welding
May 20, 2025 read moreASTM A252 GR.3 Structural Steel Pipe Piles Carbon Steel Pipe Specifications Welded and Seamless Steel Pipe Piles
May 15, 2025 read moreRoll forming is a widely used method in Electric Resistance Welded (ERW) pipe production. It involves using metal sheets or coils as raw materials, which are gradually bent and shaped through a series of roll stands equipped with specially designed forming rollers. Each stand typically includes two or more rollers, and the material undergoes continuous deformation until it achieves a uniform cross-section.
May 14, 2025 read moreContinental Steel Co.,Ltd(CSC) is a pioneering manufacturer, stockist, and supplier of steel pipe products.