AD 2000 Merkblätter
Chapters supported by NextGen for the design and verification of pressure vessels according to AD 2000.
Berechnung (Design)
| Chapter |
Description |
| B 0 |
Design of pressure vessels |
| B 1 |
Cylindrical and spherical shells subjected to internal overpressure |
| B 1 Appendix 1 |
Design of tube bends |
| B 2 |
Conical shells subjected to internal and external overpressure |
| B 3 |
Domed ends subject to internal or external pressure |
| B 4 |
Dished heads |
| B 5 |
Unstayed and stayed flat ends and plates |
| B 5/1 |
Design of plain rectangular tubes and sectional headers |
| B 6 |
Cylindrical shells subjected to external overpressure |
| B 7 |
Boltings |
| B 8 |
Flanges |
| B 9 |
Openings in cylindrical, conical and spherical shells |
| B 10 |
Thick walled cylindrical shells subject to internal pressure |
| B 13 |
Single-ply bellows expansion joints |
Sonderfälle (Special cases)
| Chapter |
Description |
| S 1 |
Simplified analysis for cyclic loading |
| S 2 |
Analysis for cyclic loading |
| S 3/0 |
General verification of stability for pressure vessels - Basic principles |
| S 3/1 |
Vessels on skirt supports |
| S 3/2 |
Verification of load-carrying capacity for horizontal vessels on saddle supports |
| S 3/3 |
Vessels with domed ends on feet |
| S 3/4 |
Vessels with support brackets |
| S 3/5 |
Vessels with ring supports |
| S 3/6 |
Vessels with nozzles subject to additional loadings |
| S 3/7 |
Allowing for thermal stresses in heat exchangers with solid headers |
| S 6 |
Creep stress for steels |
Metallische Werkstoffe (Metallic materials)
| Chapter |
Description |
| W 0 |
General principles for materials |
| W 1 |
Flat products made of unalloyed and alloyed steels |
| W 2 |
Austenitic and austenitic-ferritic steels |
| W 3/2 |
Cast iron materials - Cast iron with spheroidal graphite, unalloyed and low-alloyed |
| W 4 |
Tubes made of unalloyed and alloyed steels |
| W 5 |
Cast steel |
| W 6/1 |
Aluminium and aluminium alloys - Wrought materials |
| W 6/2 |
Copper and copper wrought alloys |
| W 7/1 |
Fasteners - Bolts and nuts made of quenched and tempered steels |
| W 7/2 |
Fasteners - Bolts and nuts made of austenitic steels |
| W 8 |
Clad steels |
| W 9 |
Steel flanges |
| W 10 |
Materials for low temperatures - Ferrous materials |
| W 12 |
Seamless hollow bodies made of unalloyed and alloyed steels for pressure vessel shells |
| W 13 |
Forgings and rolled parts made of unalloyed and alloyed steels |
Additional verifications
When designing according to AD 2000, NextGen also supports the following verifications based on additional international standards:
- Flange verification according to EN 1591-1
- Standard flanges verification according to EN 1092-1 and EN 1759-1
- Local loads verification according to EN 13445 and WRC bulletins
- Pipe bends verification according to EN 13480
- Expansion joints verification according to EJMA
- Structural analysis and lifting analysis for vertical vessels