DIN Standards Committee for Process and Plant Technology
DIN 21057-12
Pipe classes for process plants - Part 12: Technical delivery conditions for pipe components of non-alloyed and alloyed steel with specified properties at elevated temperatures of material group 1.2 and 5.1
Rohrklassen für verfahrenstechnische Anlagen - Teil 12: Technische Lieferbedingungen für Rohrbauteile aus unlegierten und legierten Stählen mit festgelegten Eigenschaften bei erhöhten Temperaturen der Werkstoffgruppe 1.2 und 5.1
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; - pipe fittings (tees, reducers, elbows 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.
Document: references other documents
Responsible national committee
NA 178-01-04 AA - Pipe classes and Documentation of process plants
