EVS-EN ISO 13703-2:2023

This document provides a set of unified requirements and specifications regarding material quality level and pre-qualification for piping material of seamless pipes, welded pipes, wrought fittings, plates, forgings, bars, castings and piping bolts/nuts used for piping systems in the oil and gas industry, both offshore and onshore.
This document covers the following material grades:
-  C-Mn steel;
-  high strength steel;
-  austenitic stainless steels;
-  duplex stainless steels;
-  nickel alloy;
-  Cu-Ni alloy;
-  titanium alloy;
-  Cu-alloy.