Oct 11, 2024 #1 LOCBE Mechanical Oct 11, 2024 4 Looking for an explanation as to why this vessel head looks like a turtle shell. New vessel that’s hasn’t been put into operations yet.
Looking for an explanation as to why this vessel head looks like a turtle shell. New vessel that’s hasn’t been put into operations yet.
Oct 11, 2024 1 #2 EdStainless Materials May 20, 2004 16,016 It was formed that way. = = = = = = = = = = = = = = = = = = = = P.E. Metallurgy, consulting work welcomed Upvote 0 Downvote
It was formed that way. = = = = = = = = = = = = = = = = = = = = P.E. Metallurgy, consulting work welcomed
Oct 11, 2024 1 #3 Compositepro Chemical Oct 22, 2003 7,760 It is an artifact of the "bump forming" process used to form it from flat plate. https://www.youtube.com/watch?v=rxIQsRBIqKo Upvote 0 Downvote
It is an artifact of the "bump forming" process used to form it from flat plate. https://www.youtube.com/watch?v=rxIQsRBIqKo
Oct 11, 2024 Thread starter #4 LOCBE Mechanical Oct 11, 2024 4 With the deformation shown in the photos, is this unacceptable by ASME standards? This is a non-code vessel and I simply haven’t ever seen this. Upvote 0 Downvote
With the deformation shown in the photos, is this unacceptable by ASME standards? This is a non-code vessel and I simply haven’t ever seen this.
Oct 11, 2024 1 #5 3DDave Aerospace May 23, 2013 10,767 Even has a belly button weld where it was pinned during the forming process. Upvote 0 Downvote
Oct 11, 2024 #6 r6155 Mechanical Jan 12, 2010 2,770 Diameter, thickness, material.....????? Regards Upvote 0 Downvote
Oct 11, 2024 Thread starter #7 LOCBE Mechanical Oct 11, 2024 4 96” OD ; 375” Thk. ; SA-516-70N Upvote 0 Downvote
Oct 11, 2024 1 #8 r6155 Mechanical Jan 12, 2010 2,770 If it is not a CODE unit (pressure is less than 15 psig), there is no problem. This is a visual appearance when the paint is white and there is excessive lighting. Regards Upvote 0 Downvote
If it is not a CODE unit (pressure is less than 15 psig), there is no problem. This is a visual appearance when the paint is white and there is excessive lighting. Regards
Oct 12, 2024 Thread starter #9 LOCBE Mechanical Oct 11, 2024 4 Thank you very much for everyone’s responses. Upvote 0 Downvote
