EN 10305-5 tubing: manufacturer of welded square, rectangular and special-section profiles
Not all tubing is round. When the design calls for a square, oval or flat oval section —to prevent rotation, fit into a housing or for aesthetic language— EN 10305-5 is the standard. We manufacture non-circular profiles with the accuracy of precision tubing, not with the tolerance of a commercial profile.
What the EN 10305-5 standard is
EN 10305-5 is the European standard that sets the technical delivery conditions for welded cold sized precision tubes of square, rectangular and shaped section (welded cold sized shaped tubes). It is the extension of the EN 10305 series to non-circular sections: the same level of precision as round tubing, applied to the square, the oval and the flat oval.
What the standard specifies
EN 10305-5 defines, for non-circular precision profiles:
It is the standard that makes it possible to deliver a profile with the dimensional accuracy of precision tubing, not with the wide tolerances of a generic structural profile, and with a surface suitable for finishing. (Specific sections, radii and tolerances, in the data sheet.)
Which Delmàs range meets EN 10305-5
The three ranges are available in non-circular profiles under EN 10305-5, combining the special section with the attribute of each range:
| Range | What it brings to the profile |
|---|---|
| PREMIUM | Bright outer surface for direct chrome plating of the exposed profile. |
| OPTIM | Simultaneous control of bore and outer diameter, weld bead ≤ 0.15 mm. |
| PRECISE | Mirror bore in the profile, when there is fluid passage or sliding. |
Beyond the standard: your exact shape and size
EN 10305-5 opens the door to the non-circular section; your design defines the specific shape. As a manufacturer —not distributors of a closed catalogue— we start from your drawing: the exact section, radii and size your part needs, to a hundredth of a millimetre, combined with the range that suits you (bright finish, bore control or mirror bore). The standard is the starting point, not the limit.
Market, sectors and applications
A Europeanstandard, cutting across the sectors where shape is functional or aesthetic:
- Home / Furniture and Lighting — design furniture and luminaires, exposed profiles.
- Engineering / Mechanical — anti-rotation guides and non-round housings.
- Exposed structures and design elements in general.
EN 10305-5 versus neighbouring standards
Why choose Delmàs as your tubing manufacturer
Does your design need a section that is not round, and with real precision? Send us the drawing with the section and the radii. We confirm feasibility and range and prepare a physical sample before committing to a production run.
Contact our technical teamTell us about your application and we'll get back to you in 24 h
We have been manufacturers since 1956. Tell us what you need and our technical team will review your case, with no obligation and no minimum order quantity.
- Technical response in 24 h
- Physical sample to your exact specification
- Cost comparison vs. your current supplier
Prefer to discuss it over the phone? +34 938 424 707