Hybox 355 SHS 120x120x8 is a square hollow section reference for structural steel detailing, drafting, and preliminary section review. This page brings together the listed dimensions, corner radii, sectional area, unit weight, applicable standard reference, and a downloadable DWG file.
Use the source values as a section-reference resource, then verify material requirements, design resistance, fabrication details, and connection behavior against the project specification and the responsible engineer’s calculations.
Hybox 355 SHS 120x120x8
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 : 120x120x8
Depth : 120 mm
Width : 120 mm
Thickness : 8 mm
Outer Corner Radius : 20 mm
Inner Corner Radius : 12 mm
Sectional Area : 33.6 cm2
Unit Weight : 26.4 kg/m
How to read the SHS designation
The SHS abbreviation means square hollow section. In the designation 120x120x8, the first two dimensions identify the listed outside depth and width, while the final dimension identifies the wall thickness. The profile is square in nominal outside geometry, with corner radii listed separately because the corners are rounded rather than sharp.
Section data and corner geometry
The supplied reference identifies an outer corner radius and an inner corner radius in addition to the section dimensions. These details matter when interpreting the actual hollow-section profile, preparing fabrication or connection details, and comparing CAD geometry with a published section table.
The listed sectional area is useful when reviewing axial resistance, mass-related calculations, and section-property references. The listed unit weight supports material takeoff and weight estimates. Neither value should be treated as a substitute for a complete design check, including stability, local slenderness, connection effects, and applicable load combinations.
Standard reference and technical scope
The source content refers to EN 10219-2:2006-04 for tolerances, dimensions, and sectional properties of cold-formed welded structural hollow sections made from non-alloy and fine grain steels. It also identifies EN 10219-1 as covering technical delivery conditions. Review the project’s specified material documentation and applicable standard requirements before procurement or design use.
Using the DWG download
The downloadable DWG is useful for importing the section outline into drafting and detailing workflows. Check the drawing units, layer conventions, insertion scale, and project standards after import. CAD geometry should be checked against the authoritative section data before it is used in fabrication or construction documentation.
Related reference topics include structural steel shapes, section properties, steel connections, and CAD and DWG resources.
Frequently asked questions
What does SHS mean?
SHS means square hollow section, a structural steel profile with a hollow square form and rounded corners.
What do the values in 120x120x8 represent?
They identify the listed outside depth, outside width, and wall thickness of the section. The source also provides separate inner and outer corner-radius values.
Which standard is referenced for this section?
The source refers to EN 10219-2:2006-04 for dimensions, tolerances, and sectional properties, and identifies EN 10219-1 as covering technical delivery conditions.
What is the DWG file used for?
The DWG file provides CAD geometry for drafting and detailing workflows. Confirm scale, units, and geometry before incorporating it into project documentation.
Can the listed section area and unit weight be used directly for design?
They are reference values supplied for this section. Final design use requires verification of material, loading, stability, connections, fabrication requirements, and the governing project criteria.
