Code and standard: EN 10253-1

EN 10253-1 Butt-welding pipe fittings – Part 1: Wrought carbon steel for general use and without specific inspection requirements

This European Standard specifies requirements for steel butt-welding fittings (elbows and return bends, concentric and eccentric reducers, equal and reducing tees, dished ends and caps) made of wrought carbon steel and delivered without specific inspection.
It specifies the steel grades and its chemical composition; the mechanical charateristics; the dimensions and tolerances; the technical conditions for inspection and testing; the marking, packaging and inspection documents