prEN ISO 13703-2

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.