S275J0H, S235JRH, and S275J2H structural square tubes (SHS) under EN standards are high-performance hollow profiles widely used in fields such as construction, bridges, and mechanical manufacturing. S275J0H and S275J2H have higher strength and toughness, while S235JRH is known for its good weldability and economy, meeting diverse engineering needs.
These hollow profiles are manufactured through cold forming technology to ensure high dimensional accuracy and excellent surface quality. Its lightweight design and excellent mechanical performance make it an important choice in modern steel structure engineering, significantly improving the efficiency and economy of the project.
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