Efficiency of Green Inhibitors Against Hydrogen Embrittlement on Mechanical Properties of Pipe Steel API 5L X52 in Hydrochloric Acid Medium

The impact of environment can cause many types of degradations such as pitting corrosion, stress corrosion cracking and sulphide stress cracking of metal structures. One of the serious problems of oil extracting industry is the corrosion process. Recently, there were a number of resource failures caused by internal corrosion phenomena recorded in oil and gas industry; the reports confirmed that the failures were due to the effect of traces amounts of Hydrochloric acid. The objective of this study is to use the plant extracts as corrosion inhibitors for API 5L X52 steel. Indeed, these natural extracts contain many families of natural organic compounds “Green”, readily available and renewable. The conducted mechanics tests in this study in the presence of green inhibitors of plant origin will give very promising results on the fracture mechanics properties. The importance of this area of research is to be attributed to the fact that natural products can replace the currently used toxic organic molecules that are condemned by the world directives for using environmentally unacceptable inhibitors.