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Small-angled square and rectangular tubes are precision-engineered hollow steel sections designed with smooth, slightly rounded corners (also known as small-radius corners or small-angle edges). These tubes combine the strength and rigidity of traditional hollow sections with enhanced aesthetics, better formability, and improved safety. They are widely used in construction, machinery manufacturing, transportation equipment, furniture design, and architectural decoration, offering both functional...
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Cold-drawn square and rectangular tubes are high-precision steel products manufactured through a cold drawing process to achieve excellent dimensional accuracy, smooth surface finish, and enhanced mechanical properties. These tubes are commonly used in mechanical structures, automotive systems, construction frameworks, hydraulic machinery, and precision instruments. The cold-drawing technique refines the internal grain structure of the steel, improving its strength, toughness, and surface qualit...
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Welded square and rectangular tubes, also known as welded hollow sections (WHS), are essential structural materials widely used in construction, mechanical manufacturing, automotive engineering, furniture production, and industrial frameworks. These tubes are formed by rolling and welding steel strips or coils into square or rectangular shapes, offering excellent strength, dimensional precision, and cost efficiency. Compared with seamless tubes, welded tubes provide greater flexibility in size c...
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Seamless square and rectangular tubes are precision-engineered hollow sections designed for high-strength structural and mechanical applications. Unlike welded tubes, seamless tubes are manufactured without any welding joints, ensuring superior uniformity, pressure resistance, and durability. These tubes are made from high-quality carbon steel, alloy steel, or stainless steel, and are widely used in construction, machinery, automotive, shipbuilding, energy, and hydraulic systems.
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S235JR (E235D) square steel pipe is a high-quality structural steel product widely used in construction, machinery manufacturing, automotive engineering, and general fabrication industries. Manufactured according to EN 10210 and EN 10219 European standards, this grade combines excellent mechanical properties, good weldability, and consistent performance under various working conditions. It is a cost-effective solution for structural frameworks requiring moderate strength and high formability.
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The S235JR (E235B) square steel pipe is a widely used low-carbon structural steel tube designed for general engineering, construction, and mechanical applications. Belonging to the EN 10025 and EN 10210 standards, this material is known for its excellent weldability, high plasticity, and good impact toughness. Its balance of strength, ductility, and cost-effectiveness makes it one of the most common structural steel grades in Europe and globally.
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The S355J2 (E355D) square steel pipe is a high-strength, low-alloy structural steel tube designed for demanding engineering and construction applications. Known for its excellent mechanical performance, impact toughness, and weldability, it is part of the EN 10025 and EN 10210 series of European structural steels widely used in buildings, bridges, machinery, and heavy equipment manufacturing.
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The S355J0 (E355C) square steel pipe is a high-performance structural steel tube designed for applications requiring superior strength, excellent toughness, and reliable weldability. It is part of the EN 10025 and EN 10210 series of European structural steels, commonly used in construction, mechanical engineering, transportation equipment, and general manufacturing.
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The S355JR (E355B) square steel pipe is a high-strength structural tube made from low-alloy, high-tensile steel. It is widely used in construction, machinery, transportation, and mechanical structures where durability, load-bearing capacity, and reliability are essential.
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