EVS-EN 10253-3:2026

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.