DIN - AD 2000-MERKBLATT W 9

Steel flanges

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Organization: DIN
Publication Date: 1 June 2017
Status: active
Page Count: 12
ICS Code (Flanges, couplings and joints): 23.040.60
ICS Code (Pressure vessels): 23.020.30
scope:

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-Merkblätter 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.

Document History

AD 2000-MERKBLATT W 9
June 1, 2017
Steel flanges
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...
November 1, 2010
Steel flanges
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...
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