Standard Swedish standard · SS-EN 523

Steel strip sheaths for prestressing tendons - Terminology, requirements, quality control

Status: Valid

This European Standard is applicable to uncoated cylindrical steel sheaths with a corrugated profile and with a nominal internal diameter of up to 130 mm and their connectors (couplers) which are assembled to form ducts for prestressing tendons in post-tensioned prestressed concrete structures. It is only applicable to sheaths and connectors made of interlocked or welded steel strip 1) . It does not cover plastic sheaths 2) . The seals required between sheaths and couplers are not covered by this standard. 1) In case of coated or galvanised steel additional requirements should be considered, which are not covered by this standard. Additional requirements may conform to the relevant provisions in the place of use of the product. 2) For plastic sheaths, see annex A.


Metallurgy (Vocabularies) (01.040.77) Steel pipes and tubes for specific use (77.140.75) Concrete structures (91.080.40)

Product information

Language: English

Written by: SIS - Bygg och anläggning

International title:

Article no: STD-34467

Edition: 2

Approved: 8/22/2003

No of pages: 18

Replaces: SS-EN 523