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We have identical joint configurations for long and circumferential seams. Both sides with SAW welding. The shell to head configuration joint is different from the long seam and circumferential seams. This joint, (Head to shell) is welded by SAW from the outside and SMAW/SAW from the inside...

I don’t know if this is the right place for me to post this message in and I am sorry if it is not. But I want to set up a small heat exchanger shop within my pressure vessel shop and I want to also set up a destructive test laboratory. Anyone knows about what best to purchase and from whom? I...

We are building several pressure vessels to div 2 with wall thickness up to 5.5 inches thick. We are examining the weld seams by UT-TOFD method in accordance with one of those relevant code cases. We are facing tremendous bottleneck schedule type constraints due to the slow speed of such UT-TOFD...

Gentlemen,ý Thank you dearly for all the help you have been providing. I greatly appreciate it. ýThis is not the first vessel we do, we did many before. As a matter of a fact, on this ýparticular contract, this vessel happens to be the first one out of three identical units. ý I have PWHT the...

I wonder if you could assist me with the code interpretation UG 80 relative to the out ýof roundness issue on vessels.ý Overview:ý I have built a horizontal pressure vessel with the following size:ý Inside diameter 4,877mm X 48,768mm tangent to tangent in length X ýý44 mm thickness. ý I...

Design Conditions Design Code ASME Section VIII DIV1, 2001 ý Internal pressure ý ý300psi gauge ý External pressure Absolute @ 300º Fý ý7.5psiý Temperature ý ý240 º F MDMT @ 300 PSIGý ý35 º F MAWP @ 240 º F ý300psigý MAWP @ 73 º F ý300psigý

Thanks unclesyd. ý I hope we will not need to deal with the insurance representative. ý The 1 meter measurements have been done, and results of which will be counter ýchecked tomorrow morning (that is our morning/your night time). I am sorry if i did ýnot clear this matter before, this is a...

Thank you kindly for your very prompt reply. ý The material of construction is SA 516-70 HIC tested with successful results on ýsimulated heat treatment carried out on coupons of the material at the mill. ý We have placed 36 thermocouples throughout the vessel. None of which indicates a...

I am sorry if this is long, but please bare with me. We are currently facing a slight problem with one of the vessels that we have manufactured for a ýclient. The problem lurks in the results of heat treatment performed in a way where the vessel ýturned into an egg shaped object. ý For your...

Fabrication of Carbon Steel Horizontal vessel Size of vessel:ý ý55m long X 4.8m ID X 44mm wall thickness.ý Material:ý SA516-70ý Code:ý ASME Sec VIII Div 1 (“U” Stamp)ý As per UG-80 (permissible out-of-roundness of cylindrical, conical, and ýspherical shells).ý The above vessel after...

I am encountering a small problem with hot dipped galvanized stair treads that have started to accumulate rust and in some locations corroded to the point of pitting. The hot dipped galvanized stair treads are bolted to spiral carbon steel stringers on a large diameter carbon steel tank in a...

Could anyone help me find a database or a table for flanges, pipes, elbows, tees, and the like? I need to use the data in a software program that I am compiling. Appreciate the assistance,

Could anyone help me find the specification sheets of a Japanese steel grade called SM41B? Is there any website where one could just go and look up Unassigned ASME material? I would appreciate the assistance. Kind regards,

Thank yoy all for helping me in the past. I have yet another request for which I seek your help on. I know of someone who came to asking the following Quote: We have fabricated a vessel 40 meters long X 4.2 meters inside diameter with 16mm wall thickness. The vessel required PWHT due to...

Thank you very much Ishill You have been of great help.

thanks Isthill, good and resourceful link.

Dear TD2K, I do not know what saddle design people use elsewhere. But we tend to (on long vessels such as those) have only two saddles (fixed and sliding) with the necessary liners on the sliding part of the saddle. We are manufacturers and as such I do not know what the operations personnel...

Dear prex, I have just sent the design temp at pressure. Naturally we do use those SS liners you mention with the PTFE pads. Appreciate any input including what you refer to as the bolt with shoulders. I am not sure I understand you there. Thanks in advance for your assistance.

Isthil, thanks for the assistance, the design pressure Gauge 300 PSI at 240F temperature. SHEDGUM GOSP in the Eastern Province of Saudi Arabia is very well known to me. I am currently building those vessels in QATIF NORTH if you know where that is, and naturally (you should know for who).

Isthil, thanks for the assistance, the design pressure Gauge 300 PSI at 240F temperature. SHEDGUM GOSP in the Eastern Province of Saudi Arabia is very well known to me. I am currently building those vessels in WATIF NORTH if you know where that is, and naturally (you should know for who).