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Standards [CURRENT]

DIN 21057-11
Pipe classes for process plants - Part 11: Technical delivery conditions for pipe components of austenitic stainless steels of material group 8.1

Title (German)

Rohrklassen für verfahrenstechnische Anlagen - Teil 11: Technische Lieferbedingungen für Rohrbauteile aus austenitischen nichtrostenden Stählen der Werkstoffgruppe 8.1

Overview

This document specifies the technical delivery conditions and dimensions as well as the maximum allowable pressure at the maximum allowable temperature TS for the following piping components: - pipes, seamless or welded; - pipe fittings (tees, reducers, elbows, dished ends, reinforced branches and caps), - flanges Type 05 (blind flange) and Type 11 (welding neck flange); - fasteners (bolts, stud bolts, nuts and washers). Working Committee NA 178-01-04 AA "Dokumentation für Prozessanlagen" ("Pipe classes and Documentation of process plants") at DIN Standards Committee for Process and Plant Technology (NAPA) is responsible for this document.