Seamless carbon steel pipes are a fundamental and critical component in modern industrial infrastructure. Defined by their manufacturing process and material composition, these pipes are renowned for their superior strength, reliability, and versatility across a vast range of high-pressure and high-temperature applications.
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An oil pipe, or pipeline, is a fundamental component of the global energy infrastructure, serving as the primary method for transporting crude oil, refined petroleum products, and natural gas liquids over long distances from production sites to refineries, storage terminals, and ultimately, consumers.
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A rectangular pipe, also known as a rectangular hollow section (RHS), is a type of metal profile with a rectangular cross-section. Unlike round tubes, its flat surfaces make it ideal for a vast range of structural and architectural applications where clean lines, efficient joining, and high strength-to-weight ratios are paramount.
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Welded steel pipe is a fundamental tubular product manufactured by forming and welding a strip or plate of steel into a cylindrical shape. It is a cornerstone of modern infrastructure, renowned for its versatility, cost-effectiveness, and reliability across a vast array of applications.
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Q345 rectangular pipe, more accurately referred to as Q345 Rectangular Hollow Section (RHS) in international trade, is a type of cold-formed welded structural steel pipe with a rectangular cross-section. It is manufactured from Q345 grade steel, a high-strength low-alloy (HSLA) structural steel widely used in China. The designation "Q345" signifies that the material's yield strength (σs) is 345 MPa minimum.
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S235JR rectangular pipe is a square or rectangular hollow section made from S235JR grade steel, which is a non-alloy structural steel defined by the European standard EN 10025-2 . The name "S235JR" breakdown: "S" stands for structural steel, "235" indicates a minimum yield strength of 235 MPa, and "JR" denotes that it can absorb at least 27 joules of impact energy at 0°C . This material is renowned for its excellent weldability, workability, and cost-effectiveness, making it a popular choice for...
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Q235 Rectangular Steel Pipe is a high-strength, cost-effective carbon steel structural pipe with a rectangular cross-section. It is widely used in construction, manufacturing, and various engineering projects due to its excellent mechanical properties and ease of processing.
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rectangular cross-section. It is manufactured from Q215 grade steel, a carbon structural steel as per the Chinese GB/T 700 standard. This material is widely recognized for its excellent combination of moderate strength, good plasticity, toughness, and weldability, making it a fundamental component in various structural and mechanical applications.
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Q195 Rectangular Pipe is a cold-formed hollow structural steel section with a rectangular cross-section, manufactured from Q195 carbon structural steel. Known for its high plasticity, toughness, and excellent welding properties, it is widely used in various industrial and construction applications.
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S235JR welded pipe is a fundamental and widely used carbon steel tubular product, renowned for its excellent weldability, good formability, and reliable mechanical properties. Manufactured from non-alloy quality structural steel grade S235JR, as defined by the European standard EN 10219, this pipe is a cornerstone of modern construction and general engineering applications.
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Q345 welded steel pipe is a high-strength, low-alloy structural steel pipe manufactured by forming and welding Q345 steel plates or coils. It is one of the most widely used grades in China, conforming to the GB/T 1591 standard (equivalent to the European EN 10025-2 S355 grade). The designation "Q345" signifies that the material's yield strength (σs) is 345 MPa minimum. Its excellent combination of strength, toughness, weldability, and cost-effectiveness makes it a fundamental material across num...
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Q235 Welded Steel Pipe is a fundamental and widely used carbon structural steel pipe in various industrial and construction applications globally. Its name originates from the Chinese GB/T standard, where "Q" denotes the yield strength, and "235" indicates the minimum yield strength of 235 Megapascals (MPa).
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Q215 Welded Pipe is a carbon structural steel pipe known for its excellent weldability, good plasticity, and cost-effectiveness. Manufactured from Q215 grade steel strip through high-frequency electric resistance welding (ERW) or submerged arc welding (SAW) processes, this pipe offers a dependable balance of strength and versatility. It is a fundamental building block for a wide array of industrial and commercial projects where high strength is not the primary requirement, but reliability and va...
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Q195 Welded Steel Pipe is a low-carbon steel pipe manufactured from Q195 grade steel strip through a high-frequency welding process. Renowned for its excellent formability, good weldability, and cost-effectiveness, it serves as a fundamental component across a wide spectrum of industrial and commercial sectors. This pipe offers a reliable balance of strength and ductility, making it an ideal choice for applications where high strength is not the primary requirement but consistent performance and...
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