Standard: DIN - AD 2000-MERKBLATT S 2


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The following rules on analysis for cyclic loading apply to pressure-bearing parts of pressure vessels made of 

- ferritic and austenitic rolled and forged steels, 

- spheroidal graphite cast iron grades as specified in Annex 5,

- wrought aluminium alloy materials as specified in Annex 6,

manufactured and tested according to the B series of AD 2000-Merkblätter in conjunction with the W and HP series of AD 2000-Merkblätter to take into account cyclic loads1) arising as a result of internal pressure, temperature differences and additional external forces and moments at the most highly-loaded points (see Annex 1). 

This specification need not be applied if the conditions in accordance with AD 2000-Merkblatt S 1 are satisfied. 

A reduction in the permitted number of stress cycles is not required at low operating temperatures within the application limits of Stress Categories II and III in accordance with AD 2000-Merkblatt W 10.

1) The term "cyclic loading" is meant here in a comprehensive sense as the variation over time of a loading regardless of the magnitude and arithmetic sign of the mean value.

Organization: Deutsches Institut für Normung e. V.
Document Number: ad 2000-merkblatt s 2
Publish Date: 2012-07-01
Page Count: 72
Available Languages: EN
DOD Adopted: NO
ANSI Approved: NO
Most Recent Revision: YES
Current Version: YES
Status: Active

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