Can someone tell me if there is a specific advantage regarding the use of E7010/E8010 versus E7018 for CS and under what conditions are they preferred over one another. Also, regarding hydrogen underbead cracking (delayed cracking), is there a tensile strength or material thickness where low...
Does anyone know what Code applies to the in-service inspection of refrigerated storage tanks. I have looked at API-653 and it's Scope does not include refrigerated tanks. The tank in question was originally fabricated in accordance with API-620 Appendix R. Does API-575 address this issue?
I am seeing significant corrosion rates (.020"/yr.) on A249 TP316L HT tubes (.750",.060" AW) in rich amine service (CO removal). These shell and tube heat exchangers were replaced 3 years ago(in-kind). The previous exchangers were in service a little over 10 years. I have pulled samples and in...
