prEN 10253-3

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

Scope

1.1 This part of EN 10253 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.
It specifies:
- steel grades;
- mechanical properties;
- dimensions and tolerances;
- requirements for inspection and testing;
- inspection documents;
- marking;
- handling and packaging.