Deutsches Institut fur Normung e. V.

Steel flanges
 N AD 2000-Merkblatt W 9

Annotation

This AD 2000-Merkblatt covers:

- forged and seamless rolled flanges,

- flanges formed by bending from sections, bar steel or strip stock and flash-butt welded flanges,

- flanges cut from plates/sheets,

- flanges manufactured by machining from rolled or forged sectional steel and bar steel,

- cast flanges made of cast steel.

They are made of ferritic, austenitic and austenitic-ferritic steels for the construction of pressure vessels which are operated at working temperatures and ambient temperatures down to -10 °C and up to the upper temperature limits specified in Clause 2 and the relevant AD 2000-Merkbl tter for the starting materials. For working temperatures below -10 °C, AD 2000-Merkblatt W 10 also applies.

This AD 2000-Merkblatt does not cover integrally cast flanges. For flanges produced by the pressure equipment manufacturer, Clauses 2, 3, 4 and 7 apply.

The basic requirements for the materials and the material manufacturer are specified in the AD 2000-Merkblatt W 0.

Автоматический перевод:

Фланцы из стали