Podrobnosti návrhu

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 wrought carbon steel without specific inspection requirements.

It specifies:

a)     steel grade and its chemical compositions;

b)    mechanical properties;

c)     dimensions and tolerances;

d)    requirements for inspection and testing;

e)     inspection documents;

f)     marking;

g)     protection and packaging.