British Standards Institution

Source:: CEN
Committee:: ISE/110 - Steel Tubes, and Iron and Steel Fittings
Categories:: Fittings. Metal | Steels. Stainless
Comment period start date:: 09/01/2025
Comment period end date:: 04/03/2025
Number of comments:: 0

Comment by:

4th Mar

Scope

This document specifies the technical delivery requirements for seamless and welded butt-welding fittings (elbows, concentric and eccentric reducers, equal and reducing tees, caps) made of austenitic and austenitic-ferritic (duplex) stainless steel without specific inspection requirements.

This document specifies:

— steel grades and their chemical compositions;

— mechanical properties;

— dimensions and tolerances;

— requirements for inspection and testing;

— inspection documents;

— marking;

— handling and packaging.

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Please email further comments to: debbie.stead@bsigroup.com

Standard timeline

1. Proposal (Complete)

Proposal start date:

2. Draft (Complete)

Draft start date:

09/01/2025

3. Public Comments

Public Comments start date:

09/01/2025

Public Comments end date:

04/03/2025

4. Comment Resolution

Comment Resolution start date:

29/05/2026

5. Approval

6. Publication

Publication start date:

18/08/2026

Learn more about the standards development process

Standards Development

BS EN 10253-3 Butt-welding pipe fittings. Part 3: Wrought austenitic and austenitic-ferritic (duplex) stainless steels without specific inspection requirements

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