The Hybox 355 SHS 25x25x2.5 is a compact square hollow section reference for engineers, detailers, fabricators, and CAD users. The source data below identifies the section geometry, sectional area, unit weight, applicable standard reference, and downloadable DWG file.
Use the dimensional values together with the listed corner radii when interpreting drawings or checking a model. For structural design, confirm the applicable material, loading, connection details, design method, and project requirements rather than relying on the shape designation alone.
Hybox 355 SHS 25x25x2.5
Hybox 355 Square Hollow Sections
refer to : EN 10219-2:2006-04
the European standard that specifies tolerances, dimensions, and sectional properties for cold-formed welded structural hollow sections made of non-alloy and fine grain steels. It complements EN 10219-1, which covers technical delivery conditions.
Dimension : 25x25x2.5
Depth : 25 mm
Width : 25 mm
Thickness : 2.5 mm
Outer Corner Radius : 5 mm
Inner Corner Radius : 2.5 mm
Sectional Area : 2.09 cm2
Unit Weight : 1.6 kg/m
How to read the Hybox 355 SHS reference
SHS means square hollow section. The designation 25x25x2.5 identifies the nominal outside depth, outside width, and wall thickness shown in the reference data. The profile also includes separate outer and inner corner radii, which describe the rounded transitions between its flat faces.
Standard context
The listed reference to EN 10219-2 places the dimensional and sectional-property information in the context of cold-formed welded structural hollow sections. The source also notes that this part addresses tolerances, dimensions, and sectional properties, while EN 10219-1 covers technical delivery conditions. Keep these roles distinct when reviewing a specification or material document.
Section properties and drafting use
The sectional area and unit weight are useful reference values for quantity checks, mass estimates, and coordination between drawings and schedules. They do not by themselves establish member capacity, allowable use, connection resistance, or compliance with a particular project design basis.
The downloadable DWG can support drafting and coordination workflows. Check the drawing units, layer conventions, insertion point, and profile orientation before incorporating the file into a project model. Related reference topics include square hollow sections, steel section properties, EN 10219 terminology, and CAD/DWG detailing practices.
Frequently asked questions
What does SHS mean?
SHS means square hollow section. It describes a hollow steel profile with square outside geometry and rounded corners.
What does the 25x25x2.5 designation describe?
It identifies the nominal outside depth, nominal outside width, and wall thickness listed in the source reference. The accompanying corner-radius values further describe the profile geometry.
What is the role of EN 10219-2 in this reference?
In the supplied description, EN 10219-2 covers tolerances, dimensions, and sectional properties for cold-formed welded structural hollow sections made from non-alloy and fine grain steels. EN 10219-1 is identified as covering technical delivery conditions.
Can the unit weight be used as a structural design value?
The listed unit weight is useful for mass and quantity checks. It should not be treated as a substitute for a complete structural design review, material verification, or project-specific loading assessment.
Where can I obtain the CAD file?
The DWG download is provided with the source entry. Review its units and drawing conventions before using it in a CAD or coordination workflow.











