DIN Standards Committee Fasteners
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
Rohrklassen für verfahrenstechnische Anlagen - Teil 11: Technische Lieferbedingungen für Rohrbauteile aus austenitischen nichtrostenden Stählen der Werkstoffgruppe 8.1
Overview
This standard describes the technical delivery conditions and dimensions as well as maximum allowable pressures at the maximum allowable temperature (TS) for the following piping components: - pipes, seamless or welded; - pipe fittings (tees, reducers, pipe elbows, dished ends, reinforced branches and caps); - flanges, type 05 (blind flange) and type 11 (welding neck flange); - fasteners (bolts, studs, nuts and washers). This responsible committee for this standard is Working Committee NA 012-00-03 AA "Dokumentation von Prozessanlagen" ("Documentation of process plants") at DIN Standards Committee Chemical Apparatus Engineering (FNCA).
