TY - JFULL AU - H. Gholami and M. Jalali Azizpour PY - 2014/1/ TI - Stress Corrosion Crack Identification with Direct Assessment Method in Pipeline Downstream from a Compressor Station T2 - International Journal of Mechanical and Mechatronics Engineering SP - 1316 EP - 1320 VL - 8 SN - 1307-6892 UR - https://publications.waset.org/pdf/9999813 PU - World Academy of Science, Engineering and Technology NX - Open Science Index 96, 2014 N2 - Stress Corrosion Crack (SCC) in pipeline is a type of environmentally assisted cracking (EAC), since its discovery in 1965 as a possible cause of failure in pipeline, SCC has caused, on average, one of two failures per year in the U.S, According to the NACE SCC DA a pipe line segment is considered susceptible to SCC if all of the following factors are met: The operating stress exceeds 60% of specified minimum yield strength (SMYS), the operating temperature exceeds 38°C, the segment is less than 32 km downstream from a compressor station, the age of the pipeline is greater than 10 years and the coating type is other than Fusion Bonded Epoxy(FBE). In this paper as a practical experience in NISOC, Direct Assessment (DA) Method is used for identification SCC defect in unpiggable pipeline located downstream of compressor station. ER -