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BLACK SQUARE TUBE

Black square tube is a kind of cold-formed or hot-rolled carbon steel hollow section with black oxide surface, featuring low cost, good weldability and excellent structural stability. It is widely used in building structure, engineering framework, mechanical manufacturing, fence and container processing.

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BLACK TUBE

RECTANGULAR TUBE FOR CONSTRUCTION

Structural square tubes (SHS) and rectangular tubes (RHS), commonly known as hollow structural sections (HSS), are essential carbon steel hollow profiles for modern construction engineering. With uniform wall thickness, excellent torsional resistance, neat appearance, reliable weldability and high structural rigidity, they are widely applied in building frames, support structures, exterior decoration and civil engineering projects.

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CONSTRUCTION

BLACK MILD STEEL PIPE

Black Mild Steel Pipe, also known as black carbon steel pipe, is a non-galvanized low-carbon steel pipe. Featuring a natural black oxide layer on the surface, this pipe boasts stable mechanical performance and excellent processability. It is an economical and versatile steel pipe widely applied in global construction and industrial fields.

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MS Round Pipe refers to low-carbon mild steel round hollow section pipe. We mainly supply mainstream industrial grades complying with ASTM A53, BS1387 and EN10219, with distinct chemical composition and physical mechanical properties for different working conditions.

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ASTM A53