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  1. t4runner1987

    Another QW-322 Interpretation Question

    Thanks for you help guys. Totally unrelated but the P number for our zirc is P61, not 66. Sorry about that. I believe for now, thats all we have DVWE. I have submitted an ASME Sec IX interpretation request. Now for the 6-12 month wait. Dekdee, in response to your first statement. That's...
  2. t4runner1987

    Another QW-322 Interpretation Question

    good place to go for anyone looking for interpretations https://cstools.asme.org/Interpretation/SearchInterpretation.cfm
  3. t4runner1987

    Another QW-322 Interpretation Question

    Again, your assuming the term Process is only related to the method of how its applied. Where does section 9 define process as only a method and not a process with related variables. The interpretation clearly states "for which welding variables have been established. I can copy and paste...
  4. t4runner1987

    Another QW-322 Interpretation Question

    Gents, Supporting interpretation first. Question : “What is the definition of the word “process” as it is used in QW-322?” ASME Reply : “The word “process” refers to those welding processes for which welding [highlight #FCE94F]variables[/highlight] have been established in...
  5. t4runner1987

    Accelerated Weld Corrosion in C65500 SB96 CuSi Esterification Vessel

    Metengr, thats exactly what i was just looking at, Right out of API 571. Thank you so much for that reference!
  6. t4runner1987

    Accelerated Weld Corrosion in C65500 SB96 CuSi Esterification Vessel

    Looking for these as well. ASTM G161 Standard Guide for Corrosion Related Failure Analysis ASM Metals Handbook, “Corrosion,” Volume 13, ASM International, Materials Park, OH. A. Cohen, “Copper and Copper-Base Alloys,” Process Industries Corrosion – The Theory and Practice, NACE International...
  7. t4runner1987

    Accelerated Weld Corrosion in C65500 SB96 CuSi Esterification Vessel

    Little bit. I see where it indicates increased corrosion rates at elevated temperatures. Temperatures aren't specific. Acids, water, and salts make for accelerated corrosion as well. Contaminants such as water, sulfides, acids and various organic compounds can increase corrosion significantly...
  8. t4runner1987

    Accelerated Weld Corrosion in C65500 SB96 CuSi Esterification Vessel

    https://files.engineering.com/getfile.aspx?folder=0a45724e-963e-4885-8529-2ac71cf4203a&file=DSC08440.JPG
  9. t4runner1987

    Accelerated Weld Corrosion in C65500 SB96 CuSi Esterification Vessel

    I have exhausted my personal resources. Looking for some guidance. We have a two SB-96 C65500 vessels that typically operate at 118 to 133°C. The previous vessels lasted +30 years and I'm not positive on their operating temperatures then. Current vessels have lasted 10 years and are on the...

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