AMPP Senior Corrosion Technologist Practice Questions - AMPP Senior Corrosion Technologist Certification Exam

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According to MR0175, which hardness limit is usually specified for carbon and low-alloy steels in sour service to resist SSC?

HRC 32 max HRC 22 max (HV 248 max) HRC 45 max No limit

Correct Answer:

HRC 22 max (HV 248 max)

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