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Rectangular and Square Hollow Section (SHS, RHS) corner radius dimensions

Feb 11, 2019
1 min read
Updated: Apr 24, 2020
Radius dimensions for hot and cold rolled rectangular (RHS) and square hollow sections tubes (SHS) are hidden away in their respective BS EN dimension and tolerance standards. We've extracted them here for your (and our!) convenience:

Hot formed SHS and RHS:
External radius = 1.5t
Internal radius = 1.0t (where t = wall thickness)
Cold formed SHS and RHS:
External radius:
Internal radius:
Sources:
BS EN 10210-2: 2006 Tolerances, dimensions and sectional properties (Hot finished structural hollow sections)
BS EN 10219-2: 2006 Tolerances and sectional properties (Cold formed welded structural sections).
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Thank you for this clear information.
Thank you for this clear information. As you note...it is not easy to find!
I have often wondered where this information is. Now I know, thanks Martin!
Thank You... for sharing this !! Always - trying to remember this one .. I find this helpfull - https://eurocodeapplied.com/design/en1993/shs-design-properties