The API 5L standard, established by the American Petroleum Institute (API), is one of the most authoritative specifications in the global pipeline industry. It applies to both seamless and welded steel pipes, covering every aspect from manufacturing process, chemical composition, and mechanical properties to dimensions and heat treatment requirements. By setting clear criteria, API 5L ensures that pipeline systems operate safely, reliably, and efficiently in the transportation of oil, natural gas, and other fluids.
Aug 19, 2025 read moreIn the transportation of energy resources such as oil and natural gas, corrosion resistance is critical for the long-term safety and reliability of steel pipelines. The API5L GRB PSL2 ERW high-frequency longitudinally welded steel pipe, featuring enhanced 3PE anti-corrosion protection, plays a vital role in ensuring secure energy transport.
Aug 18, 2025 read moreSeamless steel pipe and spiral steel pipe are two distinct categories of steel piping, differing in manufacturing methods, structural features, performance, and applications. Continental Steel Co., Ltd. summarizes the four main differences as follows.
Aug 14, 2025 read moreAS/NZS 1074 is a standard published by Standards Australia and Standards New Zealand. It covers the specification for steel tubes and tubulars for use in structural applications. The standard provides requirements for manufacturing, dimensions, tolerances, and mechanical properties of these steel tubes. It’s commonly referenced in engineering and construction industries in Australia and New Zealand.
Aug 11, 2025 read moreSeamless steel pipes are manufactured by piercing solid billets and rolling them into shape without any weld seams. This gives them superior strength, pressure resistance, and sealing performance. However, unlike standardized dimensions or performance grades, there is no unified national or industry regulation governing the warranty period of seamless steel pipes. Instead, the warranty is typically determined by the following key factors.
Aug 06, 2025 read moreSurface treatment plays a critical role in enhancing the performance and longevity of boiler tubes, which often operate in high-temperature, high-pressure, and corrosive environments. Proper surface treatment improves corrosion resistance, wear resistance, and resistance to high-temperature oxidation—key factors in maintaining the safety and efficiency of boiler systems. Below are some of the most commonly used surface treatment technologies for boiler tubes.
Aug 04, 2025 read moreAPI 5L ERW pipe refers to Electric Resistance Welded pipe produced under the API 5L standard, which covers both welded and seamless steel line pipe used in the oil and gas industry. This blog will introduce API 5L ERW pipe specification.
Jul 29, 2025 read moreAPI 5L X42 seamless steel pipe is a high-performance pipeline material widely used in the global oil and gas industry. Known for its excellent corrosion resistance, high strength, and good weldability, it plays a crucial role in the safe and efficient transportation of oil, gas, and other fluids under harsh operating conditions. This article provides a comprehensive overview of its specifications, production process, key properties, and application fields.
Jul 28, 2025 read moreChoosing the correct carbon steel (CS) seamless pipe specification involves a systematic assessment of various technical and application-related factors. Proper selection ensures not only performance and safety but also cost efficiency across different industrial scenarios. This blog will talk about how to choose the right CS seamless pipe.
Jul 22, 2025 read moreBoiler steel pipes are vital components in thermal systems, primarily responsible for transporting high-temperature, high-pressure steam or hot water. Their service life depends on multiple factors such as material quality, operational environment, system load, and maintenance routines. This article explores these elements in depth to help extend the durability and efficiency of boiler pipelines.
Jul 21, 2025 read moreIn modern industry, Electric Resistance Welded (ERW) pipes are indispensable as essential components in fluid transportation systems. Produced by heating the edges of steel strips and joining them under pressure via high-frequency resistance welding, ERW pipes are valued for their efficiency, cost-effectiveness, and wide applicability. Despite their inherent mechanical advantages, ERW pipes often face harsh service conditions. In such scenarios, uncoated pipes are prone to corrosion, abrasion, and degradation—issues that significantly reduce operational life and safety. Coating serves as a critical protective barrier, extending the pipe’s service life and enhancing its performance. This article provides an in-depth overview of ERW pipe coatings, including their necessity, benefits, types, and application considerations.
Jul 16, 2025 read moreSeamless tubes and boiler tubes are essential components in modern industrial manufacturing. While they may appear similar at first glance, these two types of steel tubes differ significantly in terms of their applications, manufacturing techniques, and technical requirements. This article explores their distinctions from multiple perspectives, with a particular focus on their production processes.
Jul 14, 2025 read moreContinental Steel Co.,Ltd(CSC) is a pioneering manufacturer, stockist, and supplier of steel pipe products.