Modeling HIC growth in carbon steels: Current and future work at Saudi Aramco RDC

摘要

A significant number of oil and gas assets operate in wet sour environments,with increasing levels of H2S content.Several vital components of these assets were originally made of non HIC-resistant steels,so called’dirty steels.’These steels,of older manufacture,contain many MnS inclusions which make them sensitive to different kinds of Hydrogen Embrittlement damage,since the MnS inclusions act as nucleation sites for Hydrogen Induced Cracks(HIC)which may then coalesce to form Step-Wise Cracks(SWC).