6Na tional Association of Corrosion Engineers. Laboratory testing of metals for resistance to sulfide stress cracking and stress corrosion crocking in H2S environments. NACE TM0177-2005, 2005.
7National Association of Corrosion Engineers. Evaluation of pipeline and pressure vessel steels for resistance to hydrogen2induced cracking. NACE TM0284-2003, 2003.
8Akihiko TAKAHASHI, Hiroyuki OGAWA. Influence of microhardness and inclusion on stress oriented hydrogen induced cracking of line pipe steels[J]. ISIJ International, 1996, 36 (3): 334-340.
9NACE TM 0284—2003,Evaluation of Pipeline and Pres-sure Vessel Steels for Resistance to Hydrogen InducedCracking[S].