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What does RHS steel mean ?

What does RHS steel mean ?

Update Time:2025/3/25

RHS stands for Rectangular Hollow Section, that is rectangular steel pipe.

We also have square hollow section steel pipe, according to standard: ASTM A500 , EN10219 , JIS G3466 , GB/T6728 cold formed square and rectangular steel pipe.

RHS usually refers to rectangular hollow steel in steel, which is the abbreviation of Rectangular Hollow Section. This steel is hollow and has a rectangular cross-section and is often used in construction and structural engineering.

Shape: Hollow steel pipe with rectangular or rectangular cross section, with four corners likely rounded corners (depending on manufacturing standards).

Features: Light weight, strong bending and torsional resistance, suitable as structural support or frame material.

Common application scenarios

1. Building structure

Used to build beams, columns or frames of houses, bridges, and factories.


2. Machinery manufacturing

As equipment brackets, conveyor tracks, etc.


3. Furniture/decoration

The skeleton material of modern style furniture (such as metal tables and chairs, shelves).


4. Vehicles and ships

Parts that require lightweight design, such as car bodies and hulls.

Rectangular Hollow Section
RHS
Rectangular Hollow Section
Cross-sectional shape:Rectangular/rectangular (hollow)
Features: Strong bending resistance, suitable for load-bearing structures
Circular Hollow Section
CHS 
Circular Hollow Section
Cross-sectional shape: round (hollow)
Features: Uniform pressure resistance, suitable for fluid pipelines
Square Hollow Section
SHS
Square Hollow Section
Cross-sectional shape: Square (hollow)
Features: strong symmetry, suitable for frame connection
International standards and specifications
Material: Commonly carbon steel (such as Q235, S355), stainless steel or aluminum alloy.
Standards:
Europe: EN 10219 (cold-formed hollow steel section)
USA: ASTM A500 (carbon steel for structure)
Japan: JIS G3466 (welded hollow steel section)
Dimensions: usually marked as height × width × wall thickness (for example: 50 × 30 × 3 mm).

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Yuantai team has over 21 years of experience in steel pipe project applications, specializing in the production, manufacturing, and customization of square rectangular, and circular steel pipes. Warmly welcome project procurement managers, individual owners, designers, and overall sellers, etc. Write down your requirements and receive professional quotes and technical support.
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