This reference entry presents the published identification and section data for a Celsius 355 circular hollow section (CHS). Use the dimensions and properties below when reviewing steel schedules, preliminary layouts, connection details, or CAD references.
The profile is identified by its nominal diameter and wall thickness. The listed sectional area and unit weight provide useful reference information for material takeoffs and engineering comparisons, while final design use requires verification against the governing project requirements.
Celsius 355 CHS 114.3×3.6
Celsius 355 Circular Hollow Sections
refer to : EN 10210-2:2006-04
the European standard that specifies tolerances, dimensions, and sectional properties for hot-finished structural hollow sections of non-alloy and fine grain steels. It supports EN 10210-1, which covers technical delivery conditions.
Diameter : 114.3 mm
Thickness : 3.6 mm
Sectional Area : 12.5 cm2
Unit Weight : 9.8 kg/m
How to read this CHS reference
A circular hollow section is a steel tube with a circular outside form and a continuous wall. In this entry, the designation 114.3×3.6 identifies the section by diameter and thickness. These dimensions should be checked against the applicable fabrication, detailing, and connection requirements before they are used in a model or drawing.
Standard reference
The entry refers to EN 10210-2:2006-04, which addresses dimensions, tolerances, and sectional properties for hot-finished structural hollow sections. The related delivery requirements are identified with EN 10210-1 in the source content. Engineers and detailers should confirm the project’s adopted standards and material specification rather than relying on a shape designation alone.
Using the listed properties
The sectional area is useful when comparing steel quantities and reviewing section-property information. The unit weight supports estimating and schedule checks. Neither value, by itself, replaces a complete structural review that may also require resistance, stability, connection, fabrication, and corrosion considerations.
CAD and detailing workflow
The downloadable DWG reference can support drafting and coordination work. Before issuing a drawing, confirm the profile orientation, end conditions, connection geometry, tolerances, and any project-specific detailing requirements. This page can also be used alongside the site’s references on hollow sections, steel section properties, connection detailing, and DWG resources.
Frequently asked questions
What does Celsius 355 CHS 114.3×3.6 mean?
It identifies a Celsius 355 circular hollow section with a listed diameter of 114.3 mm and thickness of 3.6 mm. The source also provides its sectional area and unit weight.
Which standard is referenced for this section?
The source refers to EN 10210-2:2006-04 for dimensions, tolerances, and sectional properties, and identifies EN 10210-1 as covering technical delivery conditions.
What is the listed sectional area?
The listed sectional area is 12.5 cm2. Treat this as the authoritative local value for this reference entry.
What is the listed unit weight?
The listed unit weight is 9.8 kg/m. It can support material estimating and schedule review, but project-specific quantities should be checked against the actual length and detailing.
Is the DWG file suitable for final design?
The DWG is a drafting reference. It should be checked against the project model, applicable standards, fabrication requirements, and the responsible engineer’s design before issue or fabrication.












