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Tianjin United Steel Pipe Co., Ltd.
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  5. Hollow Structural Section (HSS)

Hollow Structural Section (HSS)

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Hollow structural section (HSS) is a type of metal profile with a hollow tubular cross section, including Square Pipes and Rectangular Pipes. Hollow Sections are commonly used in welded steel frames where members experience loading in multiple directions.

The term “Hollow Section” (HSS: Hollow Structural Section) refers to a type of metal profile with a hollow tubular cross-section. The term is used predominantly in the United States, or other countries which follow US construction or engineering terminology. These sections are also sometimes called tube steel or structural tubing. 

Square hollow section (SHS hollow section) is another popular type of structural hollow section that falls somewhere between RHS and CHS in terms of characteristics, appearance, and structural behavior.