Matériaux & Techniques
Volume 79, Number 7-8, 1991
|Page(s)||9 - 15|
|Published online||13 April 2017|
Prescriptions pour la construction d’appareils travaillant sous pression en présence d’H2S humide
Requirements for the manufacture of pressure vessels for wet H2S service
Société nationale ELF Aquitaine (Production). Direction Production - Division ingénierie - Département Technologie. Pau
Special design and manufacturing requirements for resistance to H2S corrosion are required for pressure vessels to be used in H2S-bearing hydrocarbon services. Generally, the vessels are made of non-alloyed carbon steel and operate at temperature ranging between the ambient temperature and 150 °C.
The NACE standard MR 01-75, which is known worlwide, is the reference document in terms of materials and fabrication requirements for H2S service. It does not, however, provide all the answers to many questions relative to material selection and its utilization. H2S operating conditions have been redefined, based on the actual severity (corrosion fluid and service). Curves have been drawn to define degrees of severity and corresponding metallurgical requirements have been defined.
© SIRPE 1991
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