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Recent content by rachnatbovo
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Post-forming heat treatment(PFHT) for material grade 10H (Duplex & Supper Duplex)
Dear Sirs Thanks alots for your valuable response. I still concern about Duplex Forming and Annealing: as I mentioned that the fiber elongation is less than 5% for shell/head, which can complicate forming operations. Annealing after forming is usually meant to restore the ductility and correct...- rachnatbovo
- Post #6
- Forum: Boiler and Pressure Vessel engineering
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Post-forming heat treatment(PFHT) for material grade 10H (Duplex & Supper Duplex)
thread794-437308 Hi Sirs, Similar topic I have seen as below link: https://www.eng-tips.com/viewthread.cfm?qid=447480 I still a bit unsure the below: The Head End was cold formed from the plate super DSS( SA 240 32750) 10H, nominal thick 8mm(min req 6.8mm), Fiber elongation was calculated is...- rachnatbovo
- Thread
- Replies: 12
- Forum: Boiler and Pressure Vessel engineering
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Replacement of same pressure vessel part (HX bonnet) needs only R-1 report.
R-1 form for the Part or the complete vessel after repairing/alteration? how about the hydrotest & R stamping on the nameplate in case the shell will not in front of Inspector?- rachnatbovo
- Post #3
- Forum: ASME (mechanical) Code Issues
