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Study of HIC Cracking and Raw Material Failure during Manufacturing of ERW Pipes

Product Number: MPWT19-15032

Author: Ahmed M. Al-Maghlouth1, Mohammed S. Al-Sultan, Yasser S. Al-Subhi, Khalid M. Ba Bakri

Publication Date: 2019

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In this paper, a detailed analysis was performed on weld longitudinal cracks (Weld Bond Cracks can be mistaken for Hydrogen Induced (HIC) cracks.) appeared after HIC testing of Electric Resistance Weld pipes (ERW) 8”-16” NPS 0.375”-0.5” WT carbon steel grade X60 which was welded using a 150-hertz induction heating has been studied in relation the development of hydrogen induced cracking. A comprehensive experiment and testing was done to evaluate both mechanical and microstructural properties of the cracks. The result of the study indicates that raw material failure to meet HIC resistance requirements may appear on the ERW welded pipes due to Steel re-oxidation, Low tundish level, and Double calcium treatment during steel making

Products tagged with 'double calcium treatment'

Study of HIC Cracking and Raw Material Failure during Manufacturing of ERW Pipes

Association for Materials Protection and Performance