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Discussion Forums - The Hendrix Group
HomeHomeDiscussionsDiscussionsOil Refinery Co...Oil Refinery Co...NACE 0175-Tube & Tubesheet  junction!!NACE 0175-Tube & Tubesheet junction!!
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12/29/2004 9:00 AM
 
Hi dear we have some H_Exchenger with H2S content( NACE MR0175 ) Tube is S.S. 316L & Tube Sheet is C.S.(A-105). Tubes double expanded & seal weld to tube sheet. electrode is E-309 & W.P.S. is %60nt content PWHT. but impacted & 200 brinel is it%60t hardness. in start up seal weld is cracked & leak from them. Please explain me What is the matter?is PWHT mandatory? Is tubesheet should be S.S.?
 
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HomeHomeDiscussionsDiscussionsOil Refinery Co...Oil Refinery Co...NACE 0175-Tube & Tubesheet  junction!!NACE 0175-Tube & Tubesheet junction!!


  

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