【Daily Question No. 057】2017.02.26

Thread Content

This post was last edited by 955559 on 2017-7-31 at 16:07. [Daily Question No. 057] 2017.02.26 – Preventing ( ) cracking in austenitic stainless steel equipment during periods of inactivity is one of the aspects related to process corrosion protection. A. Polythionic acid stress corrosion B. Hydrogen corrosion C. Hydrogen sulfide corrosion D. High-temperature hydrogen corrosion. The reference answers will be visible after recovery; scoring is based on identifying the key points. (Unless otherwise specified, all questions and answers are based on hydrogenation units.) ) 2017 Q&A Summary Thread (updates ongoing) http://bbs.hcbbs.com/thread-1657793-1-1.html 2017 Daily Question Summary Thread (updates ongoing) http://bbs.hcbbs.com/thread-1657794-1-1.html 2016 Q&A Summary Thread (updates completed) http://bbs.hcbbs.com/thread-1597792-1-1.html Third Round of Haichuan Outstanding Management Members Selection Contest http://bbs.hcbbs.com/thread-1655902-1-1.html (Source: Haichuan Chemicals Forum)